Vollständig aktualisiert für Raspberry Pi 5 Raspberry Pi ist ein kleiner, cleverer, in Großbritannien hergestellter Computer, der voller Potenzial steckt. Der Raspberry Pi basiert auf einem energieeffizienten Prozessor der Desktop-Klasse und soll Ihnen dabei helfen, das Programmieren zu erlernen, herauszufinden, wie Computer funktionieren, und Ihre eigenen erstaunlichen Dinge zu bauen. Dieses Buch wurde geschrieben, um Ihnen zu zeigen, wie einfach der Einstieg ist. Lernen Sie, wie Sie: Richten Sie Ihren Raspberry Pi ein, installieren Sie sein Betriebssystem und beginnen Sie mit der Nutzung dieses voll funktionsfähigen Computers. Starten Sie Codierungsprojekte mit Schritt-für-Schritt-Anleitungen für die Programmiersprachen Scratch 3, Python und MicroPython. Experimentieren Sie mit der Verbindung elektronischer Komponenten und haben Sie Spaß beim Erstellen erstaunlicher Projekte. Neu in der 5. Auflage: Aktualisiert für die neuesten Raspberry Pi-Computer: Raspberry Pi 5 und Raspberry Pi Zero 2 W. Deckt das neueste Raspberry Pi OS ab. Enthält ein neues Kapitel über den Raspberry Pi Pico. Downloads GitHub

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AI Projects for the Raspberry Pi with the AI HAT+ Edge AI is transforming everyday devices by putting intelligence where it matters most: directly inside the hardware. With on-device inference, a camera can recognize a visitor instantly, a phone can translate speech without streaming audio to the cloud, and a wearable can detect anomalies in real time—fast, private, and reliable even when the network disappears. This book is your practical guide to building exactly those kinds of systems with the Raspberry Pi AI HAT+ and the Hailo-8L accelerator. You’ll start with clear foundations: core AI and machine-learning concepts, how neural networks work, and what truly distinguishes Edge AI from cloud AI—plus an honest look at ethical considerations and future impacts. Then it’s straight to hands-on physical computing. Step by step, you’ll set up Raspberry Pi OS, power and cooling, and develop in Python using the Thonny IDE. You’ll learn GPIO basics with lights and servos, mount the AI HAT+ hardware, install and verify the Hailo software stack, and connect the right camera—official modules or USB webcams, even multiple cameras. From your first pipeline to real projects, you’ll run person detection, pose estimation, segmentation, and depth estimation, then level up with YOLO object detection: smart alerts, guest counters, and custom extensions. You’ll even connect vision to motion by combining gesture recognition with servo-driven mechanisms, including a robotic arm. With troubleshooting tips, hardware essentials, and a practical Python refresher, this book turns Edge AI from buzzword into buildable reality.

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De low-noise labvoeding van Elektor is een volledig analoge, instelbare, symmetrische unit met gemiddeld vermogen, zonder schakelende of digitale componenten. De uitgangsspanning is instelbaar tussen 0 V en ±22 V, en de uitgangsstroom kan worden ingesteld van 0 A tot 1 A. Doordat elke vorm van schakeltechniek wordt vermeden, levert het ontwerp extreem weinig ruis. Voor de weergave van beide uitgangsspanningen en -stromen worden vier kleine analoge paneelmeters met draaispoel gebruikt. De meeste moderne laboratoriumvoedingen en AC-adapters maken gebruik van schakelende technieken. Zelfs de beste uitvoeringen vertonen onvermijdelijk hoogfrequente rimpel en andere schakelartefacten op hun uitgang, die het testen van gevoelige analoge schakelingen kunnen verstoren en metingen van kleine signalen kunnen beïnvloeden. Om dit te voorkomen, is het concept hier een volledig analoge voeding. Hoewel deze minder efficiënt is dan vergelijkbare schakelende voedingen, is de lagere efficiëntie bij gebruik op de testbank nauwelijks van belang en zorgt deze voor schonere en betrouwbaardere meetresultaten. Omdat veel analoge schakelingen een symmetrische voeding vereisen, levert dit ontwerp positieve en negatieve uitgangsspanningen van gelijke grootte. Een kleine hoeveelheid afregeling is beschikbaar om eventuele onbalans te compenseren. Uiteraard is ook een instelbare stroombegrenzing aanwezig. De kit bevat de onderdelen die nodig zijn om de voeding te bouwen, met uitzondering van de transformatoren. Specificaties Uitgangsspanning 0…+22 V, 0, −22 V Uitgangsstroom 0…+1 A, 0…−1 A Ruis −85 dBV (bij 0,95 A/20 V, B = 22 kHz) −84 dBV (bij 0,95 A/20 V, B > 500 kHz) Rimpelspanning 50 µVRMS (bij 950 mA/20 V, B = 22 kHz, voornamelijk 100-Hz-component) Inbegrepen 3x printplaten: regelaar (PCB-1), netfilter (PCB-2) en transformator (PCB-3) Alle componenten, behalve de AC-transformatoren 4x draaispoelmeters Extra onderdelen voor de bedrading (draden, banaanstekkerbussen, IEC-voedingsmodule, enz.) Niet inbegrepen De drie AC-transformatoren Een behuizing Onderdelenlijst Voor de regelaar-printplaat (240386-1) Weerstanden (250 mW, 1%) R1 = 12 Ω R2, R8, R37, R62 = 1 MΩ R3, R7, R10, R13, R17, R20, R22, R30, R35, R42, R45, R47, R55, R60 = 100 Ω, 600 mW R4, R5 = 4.7 kΩ R6 = 100 kΩ R9, R12, R14, R36, R38, R39, R61, R63, R66, R72, R78, R79 = 10.0 kΩ, 600 mW R11 = 9.76 kΩ, 600 mW R15, R40 = 44.2 kΩ, 600 mW R16, R41, R77 = 1 kΩ R18, R43 = 1.5 kΩ, 1 W, 5% R19, R44 = 470 Ω, 1 W, 5% R21, R46 = 330 Ω, 600 mW R23, R24, R48, R49 = 1.0 Ω, 1 W R25, R50 = 1 kΩ, 1 W, 5% R26, R28, R51, R53 = 1.000 kΩ 0.1%, 15 ppm/C R27, R29, R52, R54 = 10.00 kΩ 0.1%, 15 ppm/C R31, R56 = 1.2 kΩ, 1 W, 5% R32, R57 = 47 kΩ R33, R58 = 270 Ω R34, R59 = 27 kΩ R64, R69 = 12.0 kΩ R65 = 3.0 kΩ, 600 mW R67, R80 = 470 Ω, 600 mW R68, R70 = 6.8 kΩ, 600 mW R71 = 30.0 kΩ,, 600 mW R73, R74, R75, R76 = 10 MΩ P1, P2, P3 = 10 kΩ, 200 mW, 20%, potentiometer, 1 turns, single, lin., panel mount P4, P5 = 500 Ω, 500 mW, 10%, trimmer, 25 turns, 3296Y-1-501LF Bourns P6, P7 = 10 kΩ, 500 mW, 10%, trimmer, 25 turns, 3296Y-1-501LF Bourns Condensatoren C1 = 100 nF, 50 V, 10%, ceramic X7R, LS 5 mm C2, C3, C6, C7, C30 = 10 µF, 63V, 20%, LS 2.5 mm, 3000hours@105°C C4, C5, C8, C9, C13, C14, C18, C19, C23, C24, C28, C29, C31, C32, C38, C39 = 100 nF, 250 V, 10%, PET, LS 7.5 mm C10, C20 = 47 nF, 100 V, 5%, PET, LS 5 mm C11, C21 = 10 nF, 100 V, 5%, PET, LS 5 mm C12, C22 = 220 µF, 35 V, 20%, 0.024 Ω, LS2.5/3.5 mm, Ir 3.4 A, 2000hours@125°C, polymer C15, C25 = 120 µF, 50 V, 20%, ESR 0.02 Ω, Diam. 10 mm max., LS 5 mm C16, C26 = 15 nF, 100 V, 5%, PET, LS 5 mm C17, C27 = 47 nF, 100 V, 5%, PET, LS 5 mm C33, C34 = 22 µF, 50 V, 20%, LS 2 mm, 10000 hours @ 105°C C35, C36, C44, C45 = 1 µF, 100 V, 10%, LS 5 mm, ceramic X7R C37 = 100 uF, 50 V, 20%. LS 3.5 mm C40, C41, C42, C43, C46, C47, C48, C49 = 1000 µF, 50 V, 20%, LS 5/7.5 mm, Ir 3.32 A, 10000hours@105°C, D 16 mm C50, C51, C52, C53 = 47 nF, 100 V, 10%, ceramic X7R, LS 5 mm Spoelen L1, L2 = 4.7 µH, 3.2 A, 0.033 Ω, LS 5 mm, RLB0914-4R7ML Bourns L3 = Commom mode choke, 14.5 mH, 3 A, SSRH24NH-30145 Kemet Halfgeleiders D1, D2, D3, D4, D5, D9, D10, D11, D15 = BAT85, DO-34 D6, D7, D12, D13 = SR560, DO-201AD D8, D14, D16 = 1N4148, DO-35 D17 = Zenerdiode, 5.6 V, 0.5 W, DO-41 D18, D19 = 1N4004, DO-41 D20, D21 D22, D23 = V30100CI-M3/P, dual common cathode, TO-220 D24 = Zener diode, 30 V, 1 W, DO-41 LED1, LED2 = LED, red, T-1 (3 mm) LED3, LED4 = LED, green, T-1 (3 mm) TVS1, TVS2 = BZW50-33B, R6 T1, T2, T4 = BC337.25, TO-92 T3 = NJW0302G, TO-3P T5, T6, T8 = BC327.25, TO-92 T7 = NJW0281G, TO-3P T9 = BD139, TO-126 (SOT-32) IC1 = LM334Z, TO-92 IC2 = LM4040AIZ-5.0/NOPB, TO-92 (TO-226AA-3) IC3, IC4 = OPA2992IDR, SOIC-8 IC5, IC6 = OPA4992IDR, SOIC-14 IC7 = OPA992IDBVR, SOT-23-5 IC8 = LM339N, DIP-14 IC9 = LM317, TO-220 IC10 = LM337, TO-220 Overige F1, F2 = 5×20 mm fuse, 1.6 A, fast acting HS1, HS2 = Heatsink MC33271 (for T3/T7), 2.7°C/W, PCB mount, height 63.5 mm K1, K4 = 3-way screw terminal block, LS 3.5 mm, max. 1.5 mm² K2, K3 = 3-way screw terminal block, LS 3.5 mm, max. 1 mm² M1, M3 = Moving coil meter, Range 30 V, type 91C4, 45×45 mm M2, M4 = Moving coil meter, Range 1 A, type 91C4, 45×45 mm² RE1 = Relay DPDT,5V, UA2-5NU Diversen 3× 3-way screw terminal block, LS 3.5 mm, max. 1 mm² (for P1, P2, P3) 4× Pin header, 1×2, vertical, pitch 2.54 mm (for LED1, LED2, LED3, LED4) 4× Pin socket, 1×2, vertical. pitch 2.54 mm (for LED1, LED2, LED3, LED4) 2× Heatsink FK222SA220, 20°C/W, PCB mount (for IC9 & IC10) 2× Mica thermal pad for TO-220, 12×18×0.05 mm (for IC9 & IC10) 2× Insulating bushing IB 6, TO-220 (for IC9 & IC10) 2× Ceramic thermal pad, 23×20×2 mm (for T3 & T7) 2× PCB Fuse Holder, for 5×20 mm fuse, 10 A (for F1, F2) 2× Cover for PCB Fuse Holder, transparent (for F1, F2) 2× 2-way screw terminal block, LS 3.5 mm, max. 1 mm² (for M1 & M3) 2× 2-way screw terminal block, LS 3.5 mm, max. 1.5 mm² (for M2 & M4) 8× M3 solder lug, thickness 0.35 mm (for M1…M4) M4 solder lug, thickness 0.35 mm (to connect 4 mm banana connectors) Screened cable, 1 pair, 2×24 AWG/0.22 mm², 1 m (for P1, P2 & P3) IC socket, DIP, 14 contacts (for IC8) M3 washer, plain, steel M3 screw, 16 mm, steel, pan head M3 nut M3 spring washer 50 mm M3 standoff, steel, male-female 12 mm M3 standoff, steel, male-female 10 mm M3 standoff, steel, male-female M3 screw, 8 mm, steel, pan head Voor de netfilter-printplaat (240386-2) Weerstand R1 = 220 kΩ, 1 W, 500 V, 5% Condensatoren C1, C2 = 470 nF, 305 VAC, Class X2, 11 × 27 mm max., LS 15/22.5 mm C3, C4, C5, C6 = 2.2 nF, 300 VAC, Class Y2, 13 × 4 mm, LS 10 mm, PP Spoelen L1, L2 = Common-mode choke, 6.8 mH, 1.7 A, TDK B82732R2172B030 Halfgeleider MOV1 = TVS varistor, 300 VAC, S14K300 (230 VAC, B72214S0301K101) and SK14K150 (150 VAC, B72214S0151K101) Overige K1, K2 = 3-way screw terminal block, LS 7.62 mm F1 = Time-delay fuse, 0.5 A (230 VAC) or 1 A (115 VAC) Diversen 1× Fuse holder, 5×20 mm, 10 A, 500 VAC 1× Transparent fuse cover 4× 10 mm M3 standoff, steel, male–female 4× M3 screw, 8 mm, steel, pan head 4× M3 nut Voor de transformator-printplaat (240386-3) Weerstanden R1, R2 = 2.7 kΩ, 600 mW, 1% R3 = 10.0 kΩ, 600 mW, 1% Condensator C1 = 220 µF, 50 V, 20%, Ø10 mm, LS 5 mm, 4000 h @ 105°C Transformatoren (niet inbegrepen in deze kit!) TR1, TR2, TR3 = 2×7 V, 25 VA, PCB-mounted toroid, 70060K Talema Halfgeleiders D1–D4 = 1N4148, DO-35 D5, D6 = 1N4004, DO-41 D7 = Zener 5.6 V, 1.3 W, DO-41 LED1 = LED, red, T-1 (3 mm) IC1, IC2 = MOC8021M, CTR ≥ 1000%, DIP-6 Overige F1, F2, F3 = 160 mA time-delay fuse (230 VAC) or 315 mA time-delay fuse (115 VAC) K1 = 2-way screw terminal block, LS 7.62 mm K2 = 3-way screw terminal block, LS 3.5 mm, max 1.5 mm² K3, K4 = 3-way screw terminal block, LS 3.5 mm, max 1 mm² RE1, RE2 = Relay DPDT, 5 A/250 VAC / 24 VDC Diversen 1× Pin header 1×2, pitch 2.54 mm + matching socket for LED1 3× Fuse holder 5 × 20 mm, 10 A, 500 VAC + transparent cover 3× M4 screw, 8 mm, pan head + washer for TR1-TR3 8× M3 screw, 8 mm, pan head + nut + washer 8× 10 mm M3 standoff, steel, male–female 2× IC socket, DIP-6 for IC1 & IC2 Extra onderdelen 1 m red insulated wire, stranded, 1.5 mm² 0.5 m blue insulated wire, stranded, 1.5 mm² 0.5 m black insulated wire, stranded, 1.5 mm², 0.5 m 2 m red insulated wire, stranded, D 0.56 mm (0.25 mm²) 2 m black insulated wire, stranded, D 0.56 mm (0.25 mm²) 0.5 m Multicore Cable, Flexible, 3 Core, 0.75 mm² (24 x 0.2 mm) Red banana socket Black banana socket Blue banana socket Green banana socket IEC Power Entry Module with switch, IEC C14 3 crimp terminals, FASTON, 4.75 x 0.81 mm 3 knobs Links Elektor Labs JumpStarter Page Artikel (deel 1) Artikel (deel 2)

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L'ESP8266 d'Espressif est une puce Wi-Fi dotée d'une pile TCP/IP complète et d'une capacité de microcontrôleur. Il a fait des vagues dans la communauté des fabricants grâce à son prix bas. Mais de nombreux développeurs étaient mécontents de la consommation électrique élevée de l'ESP8266. L'ESP32, équipé d'un coprocesseur ULP (Ultra Low Power), propose un remède à cela. Cet e-book présente un certain nombre de projets mettant en vedette ESP32 et ESP8266 et démontre leurs performances dans différentes applications. Des articles Journal lumineux défiant512 pilotes LED pour Wi-Fi dotés d'un ESP-12F Regarder avec VFD et ESP32À la précision d'Internet L'ESP32 est idéal pour la consommationProgrammation du coprocesseur ULP Adaptateur de programmation USB pour ESP8266Dans la famille Espressif, je voudrais l'ESP-01 et l'ESP-012 Émulateur DCF77 à ESP8266Des ondes radio à l'internet Thermostat sur le bureau WiFiSurveillance de la température flexible et programmable Minutes pour le thermostat du bureau WiFiSept canaux de temporisation d'une précision atomique Coûteau suisse pour microcontrôleursPlatformIO, un outil de programmation universel Station Météo NucleoInformations mises à jour sur l'affichage sur l'écran LCD AllerNotifierUne interface flexible pour les captureurs d'IdO Regarder RGBChiffreAffiche avec 7 segments et couleur ESP32 pour les utilitaires exigeantsProgrammation avec les outils d'origine Mutation de l'ESP8266Découvrons l'ESP32 avec l'EDI d'Arduino MicroPythonLe Python des petits systèmes MicroPython et PyBoardLa LED qui clignote…Au serveur web qui fait clignoter une LED Machine de surveillance pour ESP8266Domotique pour la transition énergétique WLAN compact et autonomeOu comment utiliser la puce ESP8266 sans µC ESP8266 sur la carte d'entrées/sorties AndroidLancez-vous dans la mise à jour du micrologiciel WLAN pour microcontrôleursAvec la puce ESP8266 Carte de commande Wi-Fi : le retourRelies des objets à votre ordiphone

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Developing CoAP applications for Thread networks with Zephyr This book will guide you through the operation of Thread, the setup of a Thread network, and the creation of your own Zephyr-based OpenThread applications to use it. You’ll acquire knowledge on: The capture of network packets on Thread networks using Wireshark and the nRF Sniffer for 802.15.4. Network simulation with the OpenThread Network Simulator. Connecting a Thread network to a non-Thread network using a Thread Border Router. The basics of Thread networking, including device roles and types, as well as the diverse types of unicast and multicast IPv6 addresses used in a Thread network. The mechanisms behind network discovery, DNS queries, NAT64, and multicast addresses. The process of joining a Thread network using network commissioning. CoAP servers and clients and their OpenThread API. Service registration and discovery. Securing CoAP messages with DTLS, using a pre-shared key or X.509 certificates. Investigating and optimizing a Thread device’s power consumption. Once you‘ve set up a Thread network with some devices and tried connecting and disconnecting them, you’ll have gained a good insight into the functionality of a Thread network, including its self-healing capabilities. After you’ve experimented with all code examples in this book, you’ll also have gained useful programming experience using the OpenThread API and CoAP.

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De FNIRSI TMP-610S is een compact 3-in-1 meetinstrument dat een True RMS-multimeter, een 10 MHz-oscilloscoop en een 50 kHz DDS-signaalgenerator combineert. Het apparaat is ontworpen voor het opsporen van fouten in elektronica, het testen van circuits en ontwikkelingswerkzaamheden, zowel in het laboratorium als onderweg. De multimeter biedt een resolutie van 60.000 counts en ondersteunt metingen van spanning, stroom, weerstand, capaciteit, frequentie, temperatuur, diodes en continuïteit. De geïntegreerde oscilloscoop maakt realtime golfvormanalyse mogelijk met een snelheid tot 48 MSa/s, terwijl de signaalgenerator 13 golfvormtypen ondersteunt met instelbare frequentie, amplitude en duty cycle. Dankzij een 3,5-inch IPS-touchscreen, slimme autoscan-functie, Bluetooth-connectiviteit voor DMM-functies, opslag van golfvormen, USB-exportmogelijkheid en een oplaadbare accu van 3000 mAh is de TMP-610S een veelzijdige alles-in-één-tool voor elektronicaprofessionals en hobbyisten. Kenmerken 3-in-1 ontwerp: DMM + oscilloscoop + signaalgenerator Uiterst nauwkeurige True RMS-meting (60.000 counts) 10 MHz-oscilloscoop met een samplefrequentie van 48 MSa/s Synchronisatie met Bluetooth-app (alleen multimeterfunctie) 3,5-inch slim touchscreen met diverse weergavemodi 50 kHz DDS-signaalgenerator met 13 golfvormen Ingebouwde zekering voor eenvoudige vervanging Specificaties Multimeter Functie Bereik Nauwkeurigheid DC voltage 600mV/6V/60V/600V/1000V ±(0.03%+5d) AC voltage 600mV/6V/60V /600V/750V ±(0.3%+15d) DC current 600uA/6000uA/60mA/600mA ±(0.15%+5d) 6A/10A ±(0.2%+5d) AC current 600uA/6000uA/60mA/600mA ±(0.5%+15d) 6A/10A ±(0.75%+15d) Resistance 600Ω/6KΩ/60KΩ/600KΩ/6MΩ ±(0.1%+5d) 60MΩ ±(0.2%+10d) Capacitance 60nF/600nF/6uF/60uF ±(2.5%+30d) 600uF/6mF/60mF ±(3.5%+30d Frequency 10 Hz~60 MHz ±(0.01%+5d) Temperature -40℃~1000℃ ±(1.0%+5℃) Continuity 0Ω~1KΩ ±(0.2%+5d) Diode 0V~3.0V, 0Ω~1 Ω ±(1%+5d) AC frequency response 10KHz / Oscilloscoop Real-time Sampling Rate 48 MSa/s Analog Bandwidth 10 MHz Input Impedance 1MΩ Coupling Mode AC/DC Test Voltage Range 1:1 Probe - 80Vpp (±40V） 10:1 Probe - 800Vpp (±400V） Vertical Sensitivity 10mV/div~10V/div Vertical Displacement  Adjustable with indication Horizontal Time Base Range 50 ns ~ 20 s Trigger Mode Auto, Normal, Single Trigger Type Rising, Falling, 50% Trigger Level Adjustable with indication Measurement Parameters Freq, Period, +Duty, ‒Duty, +Width, ‒Width, Max, Min, P‒P, Amp, RMS, Avg Persistence Off / 500ms / 1s / ∞ Cursor Measurement Yes Waveform Screenshot Saving Yes Signaalgenerator Output Waveform Supports 13 waveform types Frequency 0~50kHz Amplitude 0.0V~3.0V Duty Cycle 0~100%, adjustable for Square and Sawtooth waves Inbegrepen 1x FNIRSI TMP-610S multimeter + oscilloscoop + signaalgenerator 1x P6100-sonde 1x Adapter 2x Krokodillenklemmen 2x Multimetersondes Probe-accessoires 1x Opbergtas 1x USB-C kabel 1x Manual Downloads Manual

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Zeitsteuerung, Scheduler, PIO und Zustandsmaschinen Multitasking ist der Schlüssel zu leistungsfähigen Embedded-Systemen, und zugleich eine der größten Herausforderungen in der Mikrocontroller-Programmierung. Dieses Buch zeigt Ihnen Schritt für Schritt, wie Sie von einem einfachen Ein-Task-Programm zu einem strukturierten, reaktionsfähigen und skalierbaren System gelangen. Dabei steht nicht nur das Wie, sondern vor allem das Warum im Mittelpunkt. Sie lernen: warum scheinbare Parallelität entsteht weshalb blockierende Programme instabil werden wie Aufgaben effizient und kontrolliert parallel ablaufen Ausgehend vom klassischen Superloop vermittelt das Buch moderne Multitasking-Strategien – von nicht-blockierender Programmierung und Tick-Systemen bis zu Task-Schedulern, Zustandsmaschinen und ereignisgesteuerten Konzepten. Der Fokus liegt auf der Praxis: Sensoren, Displays, Kommunikation und reale Anwendungen werden Schritt für Schritt integriert und mit verständlich kommentierten Beispielprogrammen erklärt. Fortgeschrittene Themen umfassen: Multicore-Programmierung mit dem Raspberry Pi Pico asynchrones Programmieren mit uasyncio RTOS-Grundlagen mit FreeRTOS die Kombination aus Multicore und RTOS Dabei werden auch die Grenzen dieser Techniken, insbesondere unter MicroPython, klar aufgezeigt. Das Buch richtet sich an ambitionierte Einsteiger und fortgeschrittene Entwickler, die Embedded-Systeme fundiert verstehen und robuste, wartbare Multitasking-Anwendungen entwickeln möchten.

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Programming the Finite State Machine with 8-Bit PICs in Assembly and C Andrew Pratt provides a detailed introduction to programming PIC microcontrollers, as well as a thorough overview of the Finite State Machine (FSM) approach to programming. Most of the book uses assembly programming, but do not be deterred. The FSM gives a structure to a program, making it easy to plan, write, and modify. The last two chapters introduce programming in C, so you can make a direct comparison between the two techniques. The book references the relevant parts of the Microchip datasheet as familiarity with it is the best way to discover detailed information. This book is aimed at Microsoft Windows and Linux users. To keep your costs to a minimum and to simplify the toolchain, specific applications are provided as a free download to enable you to use an FTDI serial lead as the programmer. The assembler used is the open-source "gpasm". All programming can be done in a text editor. There are detailed instructions on how to perform the necessary installations on Windows, Linux Debian, and derivatives such as Ubuntu and Fedora. For programming in C, Microchip's XC8 compiler is used from the command line. In addition to the programming applications, two serial read and serial write applications can be used for communicating with the PICs from a computer. A voltmeter project including practical instructions on building a circuit board from scratch is included. All theory is covered beforehand, including how to do integer arithmetic in assembly. Two PICs are covered: the PIC12F1822 and the PIC16F1823. Both can run at 32 MHz with an internal oscillator. You do not need to buy a factory-made development board and programmer. With relatively inexpensive parts including a serial lead, microcontroller, a few resistors, and LEDs, you can get started exploring embedded programming. Links Updated Programmer

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Learn programming for Alexa devices, extend it to smart home devices and control the Raspberry Pi The book is split into two parts: the first part covers creating Alexa skills and the second part, designing Internet of Things and Smart Home devices using a Raspberry Pi. The first chapters describe the process of Alexa communication, opening an Amazon account and creating a skill for free. The operation of an Alexa skill and terminology such as utterances, intents, slots, and conversations are explained. Debugging your code, saving user data between sessions, S3 data storage and Dynamo DB database are discussed. In-skill purchasing, enabling users to buy items for your skill as well as certification and publication is outlined. Creating skills using AWS Lambda and ASK CLI is covered, along with the Visual Studio code editor and local debugging. Also covered is the process of designing skills for visual displays and interactive touch designs using Alexa Presentation Language. The second half of the book starts by creating a Raspberry Pi IoT 'thing' to control a robot from your Alexa device. This covers security issues and methods of sending and receiving MQTT messages between an Alexa device and the Raspberry Pi. Creating a smart home device is described including forming a security profile, linking with Amazon, and writing a Lambda function that gets triggered by an Alexa skill. Device discovery and on/off control is demonstrated. Next, readers discover how to control a smart home Raspberry Pi display from an Alexa skill using Simple Queue Service (SQS) messaging to switch the display on and off or change the color. A node-RED design is discussed from the basic user interface right up to configuring MQTT nodes. MQTT messages sent from a user are displayed on a Raspberry Pi. A chapter discusses sending a proactive notification such as a weather alert from a Raspberry Pi to an Alexa device. The book concludes by explaining how to create Raspberry Pi as a stand-alone Alexa device.

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Raspberry Pi 5 provides two four-lane MIPI connectors, each of which can support either a camera or a display. These connectors use the same 22-way, 0.5 mm-pitch “mini” FPC format as the Compute Module Development Kit, and require adapter cables to connect to the 15-way, 1 mm-pitch “standard” format connectors on current Raspbery Pi camera and display products.These mini-to-standard adapter cables for cameras and displays (note that a camera cable should not be used with a display, and vice versa) are available in 200 mm, 300 mm and 500 mm lengths.

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Construisez votre station météo idéale ou explorez les données environnementales avec le monde entier. Avec de nombreux projets pratiques pour Arduino, Raspberry Pi, NodeMCU, ESP32 et autres cartes de développement. Les stations météo jouissent d’une grande popularité depuis des décennies. Tous les magazines d’électronique, qu’ils soient récents ou non, ont publié et publient régulièrement des articles sur la construction d’une station météo. Au fil des années, elles sont devenues de plus en plus sophistiquées et peuvent aujourd’hui être entièrement intégrées dans la maison intelligente. Ceci implique toutefois souvent une fidélité à un fabricant de produits de marque (coûteux) pour tous les composants. Cependant, avec votre propre station météo, vous pouvez facilement suivre le rythme et même capturer des relevés que les appareils commerciaux ne peuvent pas réaliser. Le plaisir ne manque pas : vous développerez de manière ludique vos connaissances en électronique, en cartes de développement de microcontrôleurs modernes et en langages de programmation. Pour moins de dix euros, vous pouvez collecter des données environnementales initiales et étendre votre système au fur et à mesure que votre intérêt grandit. Dans ce numéro Sur la route du vent et de la météo Écran météo OpenWeatherMap à affichage fluorescent Les composés organiques volatils dans l‘air que nous respirons Travailler avec les capteurs MQ : mesurer le monoxyde de carbone Détecteur de CO2 avec connexion IdO vers ThingSpeak Un arrosage automatique pour vos plantes Un climat intérieur sain : la température et l‘humidité de l‘air sont importants Thermomètre avec tubes Nixie Une maison météo rétro pour toute la famille Mesurez la pression atmosphérique et la température avec précision Un détecteur de coups de soleil Capteur maison pour la durée d‘ensoleillement Le smartphone l‘indique : brouillard ou bonne visibilité ? Détecter les tremblements de terre Les niveaux des cours d‘eau et des réservoirs Évaluer la valeur du pH de l’eau Détecter les rayonnements radioactifs Avec le GPS, vous savez où se trouve votre capteur Enregistrer les fichiers journaux avec horodatage sur des cartes SD LoRaWAN, The Things Network et ThingSpeak Exploiter la passerelle LoRaWAN pour le TTN Affichage géant à led avec prévisions météo

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Build your textbook weather station or conduct environmental research together with the whole world. With many practical projects for Arduino, Raspberry Pi, NodeMCU, ESP32, and other development boards. Weather stations have enjoyed great popularity for decades. Every current and even every long discontinued electronics magazine has regularly featured articles on building your own weather station. Over the years, they have become increasingly sophisticated and can now be fully integrated into an automated home — although this often requires loyalty to an (expensive) brand manufacturer across all components. With your own weather and environmental data, you can keep up and measure things that no commercial station can. It’s also fun: expand your knowledge of electronics, current microcontroller development boards and programming languages in a fun and meaningful way. For less than 10 euros you can get started and record your first environmental data — with time and growing interest, you will continue to expand your system. In this Edition Which Microcontroller Fits My Project? The Right Development Environment Tracking Wind and Weather Weather Display with OpenWeatherMap and Vacuum Fluorescent Display Volatile Organic Compounds in the Air We Breathe Working with MQ Sensors: Measuring Carbon Monoxide — Odorless but Toxic CO2 Traffic Light with ThingSpeak IoT Connection An Automatic Plant Watering System Good Indoor Climate: Temperature and Humidity are Important criteria Classy Thermometer with Vintage Tube Technology Nostalgic Weather House for the Whole Family Measuring Air Pressure and Temperature Accurately Sunburn Warning Device DIY Sensor for Sunshine Duration Simple Smartphone Says: Fog or Clear View? Identifying Earthquakes Liquid Level Measurement for Vessels and Reservoirs Water pH Value Measurement Detecting Radioactive Radiation GPS: Sensor Location Service Across the Globe Saving and Timestamping Log Files on SD Cards LoRaWAN, The Things Network, and ThingSpeak Operating a LoRaWAN Gateway for TTN Defying "Wind and Weather" Mega Display with Weather Forecasz

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This book is for people who want to understand how AC drives (also known as inverter drives) work and how they are used in industry by showing mainly the practical design and application of drives. The key principles of power electronics are described and presented in a simple way, as are the basics of both DC and AC motors. The different parts of an AC drive are explained, together with the theoretical background and the practical design issues such as cooling and protection. An important part of the book gives details of the features and functions often found in AC drives and gives practical advice on how and where to use these. Also described is future drive technology, including a matrix inverter. The mathematics is kept to an essential minimum. Some basic understanding of mechanical and electrical theory is presumed, and a basic knowledge of single andthree phase AC systems would be useful. Anyone who uses or installs drives, or is just interested in how these powerful electronic products operate and control modern industry, will find this book fascinating and informative.

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STM32 Nucleo family of processors are manufactured by STMicroelectronics. These are low-cost ARM microcontroller development boards. This book is about developing projects using the popular Nucleo development board. In the early chapters of the book, the architecture of the Nucleo family is briefly described. Software development tools that can be used with the Nucleo boards such as the Mbed, Keil MDK, TrueSTUDIO, and the System Workbench are described briefly in later Chapters. The book covers many projects using most features of the STM32 Nucleo development boards where the full software listings for Mbed and System Workbench are given for every project. The projects range from simple flashing LEDs to more complex projects using modules and devices such as GPIO, ADC, DAC, I²C, LCD, analog inputs and others. In addition, several projects are given using the Nucleo Expansion Boards, including popular expansion boards such as solid-state relay, MEMS and environmental sensors, DC motor driver, Wi-Fi, and stepper motor driver. These Expansion Boards plug on top of the Nucleo development boards and simplify the task of project development considerably. Features of this book Learn the architecture of the STM32 microcontrollers Learn how to use the Nucleo development board in projects using Mbed and System Workbench Toolchains Learn how to use the Nucleo Expansion Boards with the Nucleo development boards Update The Mbed compiler has been replaced with two software packages: The Mbed Studio and Keil Studio Cloud. Both of these software packages are free of charge and are available on the Internet. If you need assistance using the Keil Studio Cloud, please download the Guide below.

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As demand for solar panel installation has risen sharply, especially for installations larger than balcony power plants, the order books of solar companies are full. If you ask for a quote today, you may have to wait a while, if your request isn't simply postponed indefinitely. Another consequence of the solar boom is that some companies are charging very high prices for installations. Yet there is an obvious and radical solution to the problem of excessive prices: Do it yourself, as the English say. The price of materials is currently affordable, and it's the ideal time for those who do the work themselves. They couldn't save more. Add to this the satisfaction of doing something useful, both economically and ecologically, and the pleasure of building yourself. In this special issue, you'll find a wide selection of Elektor assemblies, from solar panel controllers to solar water heaters and solar panel orientation systems. The issue also contains practical information on solar panel installation and the technology behind them. Finally, there are a number of articles on the subject of balcony power plants, from how to install them to how to connect them to the Internet... Contents BASICS Dimensioning Photovoltaic Panel ArraysAn introduction to photovoltaic energy and the commonest techniques,followed by simplified calculation models and setup guidelines. Light Sensor TechnologyMeasuring daylight using LEDs. Solar Power Made SimpleSolar charging with and without a controller. Cable Cross-sections and Energy Losses in Solar SystemsKey considerations on the minimum values to respect for electricalcurrent in solar panel cabling. Solar ModulesEverything you always wanted to know about solar panels... Ideal Diode ControllerDiode Circuits with Low Power Dissipation. TIPS Tracking for Solar Modules zBot Solar/Battery Power Supply Solar Cell Array Charger with Regulator Solar Cell Voltage Regulator Solar-Powered Night Light Alternative Solar Battery Charger PROJECTS Energy LoggerMeasuring and Recording Power Consumption. Tiny Solar SupplySunlight In, 3.3 V Out. A Do-It-Yourself DTURead Data from Small Inverters by μC. Solar ChargerPortable energy for people on the move. Solar Thermal Energy RegulatorMaximum power point tracking explored. 2-amp Maximum Power Tracking ChargerSolar Power To The Max. Computer-driven HeliostatFollow the sun or the stars. Garden LightingUsing solar cells. Solar Panel Voltage Converter for IoT DevicesYes we CAN exploit indoor lighting. Travel ChargerFree power in the mountains. Solar Cell Battery Charger/MonitorWith protection against deep discharge. Solar-powered Battery ChargerPIC12C671 avoids overcharging and deep charging. Converters for Photovoltaic PanelsContributed by TME (Transfer MultisortElektronik). Solar Charging RegulatorFor panels up to 53 watts. Solar-Powered ChargerFor lead-acid batteries. CAN Bus + Arduino for Solar PV Cell MonitoringDetect and locate serviceable panels in large arrays. Balcony Power Plant 2.0The latest: solar panels, installation and inverters

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Vanaf nu kunt u uw Arduino boards aansluiten met de officiële Arduino USB kabel. Met deze data USB kabel kan uw Arduino board eenvoudig worden verbonden met een door u gekozen apparaat, via een USB-C naar een USB-C met een USB-A adapter. De Arduino USB kabel heeft een nylon gevlochten mantel in de typische Arduino kleuren wit en groenblauw. De connectoren hebben een aluminium omhulsel dat uw kabel beschermt tegen schade en er meteen ook cool uitziet. Lengte: 100 cm Aluminium omhulsel met logo Nylon gevlochten mantel in wit en groenblauw

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This pack contains the LCR45 Passive Component Impedance Meter, great for advanced hobbyists and professionals. It also contains the very popular DCA Pro (model DCA75), fantastic for component identification, pinout identification, detailed characteristic measurement and curve tracing on a PC. Complete with USB cable and software on a USB flash drive. DCA75 Building on the continued success of Peak's existing component identification and analysis instruments, the DCA Pro brings an array of exciting new features for the hobbyist and professional alike. The DCA Pro is an advanced new design that features a graphics display, USB communications, PC Software and an enhanced component identification library. Automatic component type identification Automatic pinout identification (connect any way round) The DCA Pro supports all the components that the popular Peak Atlas DCA55 supports, but adds plenty more. Components supported include: Transistors (including Darlingtons), Silicon and Germanium types. Measures gain, Vbe and leakage MOSFETs, enhancement mode and depletion mode types. Measure on-threshold (at 5 mA) and approx transconductance (for span of 3-5 mA) JFETs, including normally off SiC types. Measures pinch-off voltage (at 1 uA) and approx transconductance (for span of 3-5 mA) IGBTs (insulated gate bipolar transistors). Measures on-threshold (at 5 mA) Diodes and Diode networks LEDs and bicolour LEDs (2 lead and 3 lead types) Zener Diodes with measurement of zener voltage up to 9 V at 5 mA Voltage regulators (measures regulation voltage, drop-out voltage, quiescent current) Triacs and Thyristors that require less than 10 mA of gate current and holding current Stand-alone or with a PC The instrument can be used stand-alone or connected to a PC. Either way, the DCA Pro will automatically identify the component type, identify the pinout and also measure a range of component parameters such as transistor gain, leakage, MOSFET and IGBT threshold voltages, pn characteristics and much more. Curve Tracing When connected to a PC using the supplied USB cable, a range of low current curve-tracing functions can be performed. Various graph types are available, with more to follow: Bipolar transistor output characteristics, IC vs VCE Bipolar transistor gain characteristics, HFE vs VCE Bipolar transistor gain characteristics, HFE vs IC MOSFET and IGBT output function, ID vs VDS MOSFET and IGBT transfer function, ID vs VGS JFET output function, ID vs VDS JFET transfer function, ID vs VGS Voltage regulator, VOUT vs VIN Voltage regulator, IQ vs VIN. PN junction I/V curves, forward and reverse options (for Zener diodes) Curve tracing is performed using test parameters in the range of +/-12 V or +/-12 mA. All curve-tracing data can be instantly pasted into Excel for further graphing and analysis. PC Software is included with the DCA Pro on a Peak USB memory stick. Software designed for Windows 7 and higher (all 32 or 64 bit). LCR45 A great handheld LCR analyser that can measure the value of your passive component (inductor, capacitor or resistor) and also measure the detailed impedance in a number of modes. The LCR45 offers enhanced measurement resolution (better than 0.1 uH!) whilst also giving you continuous fluid measurements. Additionally, the test frequencies of DC, 1 kHz, 15 kHz and 200 kHz can be set to automatic or manual modes. Supplied with removable gold plated hook probes, battery and user guide. Compatible with standard 2 mm test connectors. Not designed for in-circuit use. Automatic or manual component type selection: Inductor, Capacitor or Resistor Automatic or manual test frequency selection: DC, 1 kHz, 15 kHz and 200 kHz Inductance from 0.1 uH to 10 H Capacitance from 0.1 pF to 10,000 uF Resistance from 0.1 Ohm to 2 MOhm Inductance measurement also shows DC winding resistance Display of "Component type and values", "Complex Impedance", "Magnitude/Phase" and "Admittance" Test frequency displayed for all measurements Typical accuracy of 1.5% for inductors and capacitors (see spec table for details) Typical accuracy of 1% for resistors Test lead complete with gold plated 2 mm plugs and sockets Supplied with removable gold plated hook probes Inbegrepen LCR45 DCA75 Extra GP23 Battery Extra AAA cell Dual Carry Case

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Menno van der Veen is well known for his research publications on tube amplifiers used in audio systems. In this book he describes one of his research projects which focuses on the question of whether full compensation for distortion in tubes and output transformers is possible. In the past, a variety of techniques have been developed. One of them has largely been forgotten: trans-conductance, which means converting current into voltage or voltage into current. Menno van der Veen has breathed new life into this technique with his research project titled “Trans”. This book discusses all aspects of this method and discusses its pitfalls. These pitfalls are addressed one by one. The end result is a set of stringent requirements for Trans amplifiers. Armed with these requirements, Menno then develops new Trans amplifiers, starting with Transie 1 and Transie 2. These DC-coupled, single-ended tube amplifiers have unusually good characteristics and are suitable for hobbyist construction. Next the Trans principle is applied to amplifiers with higher output power. A trial-and-error process ultimately leads to the Vanderveen Trans 30 amplifier, which optimizes the features of Trans. The characteristics of this amplifier are so special and unique that Menno believes he has struck gold. To ensure that variations in tube characteristics cannot interfere with optimal Trans behavior, Menno makes use of simulations and comparison with other amplifier types. This book reads like an adventure story, but it is much more – it is an account of solid research into new ways to achieve optimal audio reproduction.

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Verstehen und effektiv einsetzen Was in der Elektronik geschieht, ist mit bloßem Auge unsichtbar. Das Instrument, mit dem sich elektrische Signale präzise visualisieren lassen und die Effekte der Elektronik für uns sichtbar werden, ist das Oszilloskop. Leider wagt man sich beim Einstieg in die Elektronik oft ohne Oszilloskop vor. Man tappt dann im Dunkeln, sowohl praktisch als auch gedanklich. Die erste Beobachtung eines elektrischen Signals auf einem Bildschirm ist eine Offenbarung. Niemand möchte dieses Erlebnis danach noch einmal missen. Es gibt kein Zurück mehr. Wer in der Elektronik mit Freude und Verständnis vorankommen möchte, braucht unbedingt ein Oszilloskop. Dann stellt sich zunächst die Frage: Wie wählt man das richtige Oszilloskop aus? Und kaum ist diese Frage beantwortet, tauchen bereits die nächsten auf, die sich letztlich auf eine zentrale Frage reduzieren lassen: Wie nutzt man das Oszilloskop so, dass die Anzeige die Realität der Signale korrekt widerspiegelt? Rémy Mallard ist ein leidenschaftlicher Vermittler komplexer technischer Themen mit dem Talent, diese verständlich und fesselnd zu präsentieren. In diesem Buch beantwortet er wichtige Fragen zur Verwendung eines Oszilloskops und bietet zahlreiche Anleitungen, um die elektrischen Signale elektronischer Systeme zu erforschen und zu verstehen. Dank seines verständlichen Stils und seiner praktischen Einblicke ist dieses Buch ein wertvolles Werkzeug für alle, die ihr Elektronikwissen vertiefen möchten.

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Projects Using Arduino IDE and the LVGL Graphics Library The ESP32 is probably one of the most popular microcontrollers used by many people, including students, hobbyists, and professional engineers. Its low cost, coupled with rich features makes it a popular device to use in many projects. Recently, a board called the ESP32 Cheap Yellow Display (CYD for short) is available from its manufacturers. The board includes a standard ESP32 microcontroller together with a 320x240 pixel TFT display. Additionally, the board provides several connectors for interfaces such as GPIO, serial port (TX/RX), power and Ground. The inclusion of a TFT display is a real advantage as it enables users to design complex graphics-based projects without resorting to an external LCD or graphics displays. The book describes the basic hardware of the ESP32 CYD board and provides details of its on-board connectors. Many basic, simple, and intermediate-level projects are given in the book based on the ESP32 CYD, using the highly popular Arduino IDE 2.0 integrated development environment. The use of both the basic graphics functions and the use of the popular LVGL graphics library are discussed in the book and projects are given that use both types of approaches. All the projects given in the book have been tested and are working. The block diagram, circuit diagram, and the complete program listings and program descriptions of all the projects are given with explanations. Readers can use the LVGL graphics library to design highly popular eye-catching full-color graphics projects using widgets such as buttons, labels, calendars, keypads, keyboards, message boxes, spinboxes, sliders, charts, tables, menus, bars, switches, drop-down lists, animations, and many more widgets.

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Program, build, and master over 50 projects with MicroPython and the RP2040 microprocessor The Raspberry Pi Pico is a high-performance microcontroller module designed especially for physical computing. Microcontrollers differ from single-board computers, like the Raspberry Pi 4, in not having an operating system. The Raspberry Pi Pico can be programmed to run a single task very efficiently within real-time control and monitoring applications requiring speed. The ‘Pico’ as we call it, is based on the fast, efficient, and low-cost dual-core ARM Cortex-M0+ RP2040 microcontroller chip running at up to 133 MHz and sporting 264 KB of SRAM, and 2 MB of Flash memory. Besides its large memory, the Pico has even more attractive features including a vast number of GPIO pins, and popular interface modules like ADC, SPI, I²C, UART, and PWM. To cap it all, the chip offers fast and accurate timing modules, a hardware debug interface, and an internal temperature sensor. The Raspberry Pi Pico is easily programmed using popular high-level languages such as MicroPython and or C/C++. This book is an introduction to using the Raspberry Pi Pico microcontroller in conjunction with the MicroPython programming language. The Thonny development environment (IDE) is used in all the projects described. There are over 50 working and tested projects in the book, covering the following topics: Installing the MicroPython on Raspberry Pi Pico using a Raspberry Pi or a PC Timer interrupts and external interrupts Analogue-to-digital converter (ADC) projects Using the internal temperature sensor and external temperature sensor chips Datalogging projects PWM, UART, I²C, and SPI projects Using Wi-Fi and apps to communicate with smartphones Using Bluetooth and apps to communicate with smartphones Digital-to-analogue converter (DAC) projects All projects given in the book have been fully tested and are working. Only basic programming and electronics experience is required to follow the projects. Brief descriptions, block diagrams, detailed circuit diagrams, and full MicroPython program listings are given for all projects described. Readers can find the program listings on the Elektor web page created to support the book.

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De Siglent SDL1020X-E DC meetsnoeren hebben een meetresolutie van 0,1 mV/0,1 mA en de basis SDL1000X-E serie heeft een resolutie van 1 mV/1 mA en instelbare stroom flankstijgtijden van 0,001 A/?s~2,5 A/?s. Voor communicatie en bediening op afstand bevat de SDL serie S232/USB/LAN interfaces. De SDL1020X-E levert stabiliteit over een breed scala van toepassingen en kan aan allerlei test vereisten voldoen. o.a: Voeding, batterij/handapparaat ontwerp, industrie, LED verlichting, auto-elektronica, en ruimtevaart. Kenmerken SDL1020X-E (één kanaal): DC 150 V/30 A, totaal vermogen 200 W 4 Statische modes / Dynamische mode: CC/CV/CR/CP CC Dynamische stand: Continu, gepulseerd, omgeschakeld CC Dynamische stand: 25 kHz, CP Dynamische stand: 12,5 kHz, CV Dynamische modus: 0,5 Hz Meetsnelheid van spanning en stroom: tot 500 kHz Instelbaar bereik van de stijgtijd van de stroom: 0,001 A/us~2,5 A/us Min. afleesresolutie: 0,1 mV, 0,1 mA Kortsluit-, batterijtest-, CR-LED modus-, en fabriekstestfuncties 4-draads SENSE compensatie mode functie List functie ondersteunt het bewerken van wel 100 stappen Programmeerfunctie ondersteunt 50 groepen stappen OCP, OVP, OPP, OTP en LRV beveiliging Externe analoge regeling Spanning, stroom bewaking via 0-10 V 3,5 inch TFT-LCD scherm, geschikt voor gelijktijdige weergave van meerdere parameters en toestanden Ingebouwde RS232/USB/LAN communicatie interface, USB-GPIB module (optioneel) Trendgrafiek van golfvormen en gemakkelijk te gebruiken functies voor het opslaan en oproepen van bestanden Inclusief PC software: Ondersteunt SCPI, LabView aandrijving Inbegrepen 1x Siglent SDL1020X-E DC programmeerbare belasting 1x Snelstartgids 1x Garantiekaart 1x Netsnoer 1x USB kabel Downloads Datasheet Manual Programming Guide PC Software

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De FNIRSI DPS150 is een krachtige, instelbare DC-voeding met een USB-C-ingangsinterface en meerdere voedingsmodi, waardoor een nauwkeurige aanpassing van de uitgangsspanning (0-30 V) en stroom (0-5 A) mogelijk is. Het biedt een efficiënte, laag verbruik en stabiele output, uitgerust met meerdere veiligheidsbeschermingsfuncties, waaronder overspanning, overstroom, overbelasting, oververhitting en omgekeerde verbinding. Het kan flexibel worden toegepast op de seriële verbinding van meerdere apparaten, met een rijke en gebruiksvriendelijke weergave en bediening, een compact en draagbaar ontwerp en voldoet aan verschillende toepassingsbehoeften. Kenmerken 30 V, 5 A, 150 W variabel gelijkstroomvermogen met 0,01 V, 0,001 A precisie, CC/CV-modi en <20 mV rimpel om gevoelige elektronica te beschermen. Ondersteunt pc-, QC- en DC-ingangen met programmeerbare uitgangen en 6 vooraf ingestelde spannings-/stroominstellingen. Compatibel met 4 mm banaanstekkers, U-vormige aansluitingen en koperdraden voor diverse apparatuur. 8 veiligheidsmechanismen, waaronder bescherming tegen overspanning, stroom, kortsluiting en oververhitting. 2,8-inch HD IPS-scherm met 90° flip-, numerieke en curve-displays voor eenvoudige monitoring. Klein, ruimtebesparend ontwerp voor gebruik in laboratoria, reparaties en doe-het-zelf-projecten. Specificaties Ingangsspanning 5~32 V DC Ingangsstroom 100 mA-5 A Uitgangsspanning 0-30 V Uitgangsstroom 0~5 A Uitgangsvermogen 0-150 W Input way PD-snellader QC snellader Powerbank DC-voedingsadapters Bedrijfsomgeving 0-40°C Belastingsregeling 0,49% Efficiëntie bij volledige belasting 96,30% Display 2,8 inch (320 x 240) Afmetingen 106 x 76 x 28 mm Gewicht 178 g Inbegrepen 1x DPS150 voeding 2x Krokodillenklemdraden (zwart en rood) 1x Micro-USB-kabel 1x Manual Downloads Manual Firmware V0.0.1

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The author, Johan Basse Bergqvist, is an engineer, a musician, and an audiophile with a knack for building projects that produce the desired results. The combination of these skills leads to a uniquely valuable perspective on audio design that is routinely reflected in the book and passed on to the readers. Several design projects are provided, 40 in total. The designs are explained, and the unique features or methods he uses are described in further detail. Each design includes detailed schematics and a complete parts list. Many of the projects also include layout documentation in the form of CAD photos of the PCB layouts. The range of projects is very diverse and includes something that will appeal to everyone. Stereo amplifiers, guitar and bass amplifiers, preamplifiers for phono, and microphones are all covered. Several variants for each type are included, and the power amplifier designs range from a few watts to several hundred watts, which meet almost any power level you might tackle.

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