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This book discusses the basic components of any alarm system. All alarm systems have two basic functions. First, they monitor their environment looking for a change such as a door or window opening or someone moving about in the room. Second, they alert the legal owner or user to this change. The system described in this book uses a scanning type software to detect intruders. It behaves like a guard dog, pacing up and down the fence line on the lookout for either an intruder or a familiar person. If you have an alarm key, you can disarm the system and enter. With the scanning method, the software is easy to write and explain. It can scan eight alarm zones plus two special fire zones in about one second. You don’t have to be an electrical engineer to install an alarm system, just a decent carpenter, painter, and plasterer! Because this alarm system runs on 12 volts, you don’t have to be a licensed electrician either to install it. The alarm system presented here uses Python software on the Raspberry Pi combined with some elementary electronic circuits. The code described in the book, as well as CAD files and a bill of materials for the alarm panel, are available for free downloading. The book provides the reader with examples of typical configurations coming straight from the author‘s experience. After reviewing the hardware components typically used in common alarm systems, the author shows how to plan one yourself. To implement a modular alarm, no matter if it is for a single house or for a business or restaurant, the book shows how to skillfully combine a Raspberry Pi with small auxiliary electronic circuits. These are not installation instructions but food for thought that will enable readers to find a solution to their needs.

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Build robust, intelligent machines that combine Raspberry Pi computing power with LEGO components.The Raspberry Pi Build HAT provides four connectors for LEGO Technic motors and sensors from the SPIKE Portfolio. The available sensors include a distance sensor, a colour sensor, and a versatile force sensor. The angular motors come in a range of sizes and include integrated encoders that can be queried to find their position.The Build HAT fits all Raspberry Pi computers with a 40-pin GPIO header, including?–?with the addition of a ribbon cable or other extension device?—?Raspberry Pi 400. Connected LEGO Technic devices can easily be controlled in Python, alongside standard Raspberry Pi accessories such as a camera module.Features Controls up to 4 motors and sensors Powers the Raspberry Pi (when used with a suitable external PSU) Easy to use from Python on the Raspberry Pi

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Program, build, and master over 60 projects with Python The Raspberry Pi 5 is the latest single-board computer from the Raspberry Pi Foundation. It can be used in many applications, such as in audio and video media centers, as a desktop computer, in industrial controllers, robotics, and in many domestic and commercial applications. In addition to the well-established features found in other Raspberry Pi computers, the Raspberry Pi 5 offers Wi-Fi and Bluetooth (classic and BLE), which makes it a perfect match for IoT as well as in remote and Internet-based control and monitoring applications. It is now possible to develop many real-time projects such as audio digital signal processing, real-time digital filtering, real-time digital control and monitoring, and many other real-time operations using this tiny powerhouse. The book starts with an introduction to the Raspberry Pi 5 computer and covers the important topics of accessing the computer locally and remotely. Use of the console language commands as well as accessing and using the desktop GUI are described with working examples. The remaining parts of the book cover many Raspberry Pi 5-based hardware projects using components and devices such as LEDs and buzzers LCDs Ultrasonic sensors Temperature and atmospheric pressure sensors The Sense HAT Camera modules Example projects are given using Wi-Fi and Bluetooth modules to send and receive data from smartphones and PCs, and sending real-time temperature and atmospheric pressure data to the cloud. All projects given in the book have been fully tested for correct operation. Only basic programming and electronics experience are required to follow the projects. Brief descriptions, block diagrams, detailed circuit diagrams, and full Python program listings are given for all projects described.

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Designed for overclockers and other power users, this fan keeps your Raspberry Pi 4 at a comfortable operating temperature even under heavy load. The temperature-controlled fan delivers up to 1.4 CFM of airflow over the processor, memory, and power management IC. The bundled heatsink (18 x 8 x 10 mm) with self-adhesive pad improves heat transfer from the processor. The Raspberry Pi 4 Case Fan works with Raspberry Pi 4 and the official Raspberry Pi 4 case.

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De Raspberry Pi Pico 2 W is een microcontrollerbord gebaseerd op de RP2350 met 2,4 GHz 802.11n wireless LAN en Bluetooth 5.2. Het geeft u nog meer flexibiliteit in uw IoT- of slimme productontwerpen en breidt de mogelijkheden voor uw projecten uit. De RP2350 biedt een uitgebreide beveiligingsarchitectuur gebouwd rond Arm TrustZone voor Cortex-M. Het bevat ondertekend opstarten, 8 KB antifuse OTP voor sleutelopslag, SHA-256-versnelling, een hardware TRNG en snelle glitch-detectoren. Dankzij de unieke dual-core en dual-architectuurmogelijkheden van de RP2350 kunnen gebruikers kiezen tussen een paar industriestandaard Arm Cortex-M33-kernen en een paar open-hardware Hazard3 RISC-V-kernen. Programmeerbaar in C/C++ en Python, en ondersteund door gedetailleerde documentatie, is de Raspberry Pi Pico 2 W het ideale microcontrollerbord voor zowel liefhebbers als professionele ontwikkelaars. Specificaties CPU Dual Arm Cortex-M33 of dubbele RISC-V Hazard3-processors @ 150 MHz Wireless Geïntegreerde Infineon CYW43439 single-band 2,4 GHz 802.11n wireless LAN en Bluetooth 5.2 Geheugen 520 KB SRAM op de chip; 4 MB ingebouwde QSPI-flitser Interfaces 26 multifunctionele GPIO-pinnen, waaronder 4 die kunnen worden gebruikt voor AD Randapparatuur 2x UART 2x SPI-controllers 2x I²C-controllers 24x PWM-kanalen 1x USB 1.1-controller en PHY, met host- en apparaatondersteuning 12x PIO-statusmachines Ingangsvermogen 1,8-5,5 V DC Afmetingen 21 x 51 mm Downloads Datasheet Pinout Schematic

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De Raspberry Pi Bumper is een opklikbare siliconen hoes die de onderkant en randen van de Raspberry Pi 5 beschermt. Kenmerken Flexibele siliconenrubberen bumper uit één stuk Maakt gemakkelijke toegang tot de aan/uit-knop mogelijk Bevestigingsgaten blijven toegankelijk onder de bumper Downloads Datasheet

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Program and Build Raspberry Pi 5 Based Ham Station Utilities with the RTL-SDR The RTL-SDR devices (V3 and V4) have gained popularity among radio amateurs because of their very low cost and rich features. A basic system may consist of a USB based RTL-SDR device (dongle) with a suitable antenna, a Raspberry Pi 5 computer, a USB based external audio input-output adapter, and software installed on the Raspberry Pi 5 computer. With such a modest setup, it is possible to receive signals from around 24 MHz to over 1.7 GHz. This book is aimed at amateur radio enthusiasts and electronic engineering students, as well as at anyone interested in learning to use the Raspberry Pi 5 to build electronic projects. The book is suitable for both beginners through experienced readers. Some knowledge of the Python programming language is required to understand and eventually modify the projects given in the book. A block diagram, a circuit diagram, and a complete Python program listing is given for each project, alongside a comprehensive description. The following popular RTL-SDR programs are discussed in detail, aided by step-by-step installation guides for practical use on a Raspberry Pi 5: SimpleFM GQRX SDR++ CubicSDR RTL-SDR Server Dump1090 FLDIGI Quick RTL_433 aldo xcwcp GPredict TWCLOCK CQRLOG klog Morse2Ascii PyQSO Welle.io Ham Clock CHIRP xastir qsstv flrig XyGrib FreeDV Qtel (EchoLink) XDX (DX-Cluster) WSJT-X The application of the Python programming language on the latest Raspberry Pi 5 platform precludes the use of the programs in the book from working on older versions of Raspberry Pi computers.

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Wanneer u regelmatig experimenteert met de Raspberry Pi en verschillende externe hardware aansluit op de GPIO-poort via de header, heeft u mogelijk in het verleden schade veroorzaakt. Het Elektor Raspberry Pi Buffer Board is er om dit te voorkomen! Het board is compatibel met de Raspberry Pi Zero, Zero 2 (W), 3, 4, 5, 400 en 500. Alle 26 GPIO's zijn gebufferd met bidirectionele spanningsomzetters om de Raspberry Pi te beschermen tijdens het experimenteren met nieuwe circuits. De printplaat is bedoeld om aan de achterkant van de Raspberry Pi 400/500 te worden geplaatst. De connector voor aansluiting op de Raspberry Pi is een haakse 40-polige connector (2x20). De printplaat is slechts iets breder. Een 40-polige flatcable met bijpassende 2x20 headers kan worden aangesloten op de buffer-uitgangsheader om bijvoorbeeld te experimenteren met een circuit op een breadboard of een printplaat. Het circuit maakt gebruik van 4x TXS0108E IC's van Texas Instruments. De printplaat kan ook rechtop op een Raspberry Pi worden geplaatst. Downloads Schematics Layout

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World’s Most Popular ROS PlatformTurtleBot is the most popular open source robot for education and research. The new generation TurtleBot3 is a small, low cost, fully programmable, ROS based mobile robot. It is intended to be used for education, research, hobby and product prototyping.Affordable CostTurtleBot was developed to meet the cost-conscious needs of schools, laboratories and companies. TurtleBot3 is the most affordable robot among the SLAM-able mobile robots equipped with a 360° Laser Distance Sensor LDS-01.ROS StandardThe TurtleBot brand is managed by Open Robotics, which develops and maintains ROS. Nowadays, ROS has become the go-to platform for all the roboticists around the world. TurtleBot can be integrated with existing ROS-based robot components, but TurtleBot3 can be an affordable platform for whom want to get started learning ROS.ExtensibilityTurtleBot3 encourages users to customize its mechanical structure with some alternative options: open source embedded board (as a control board), computer and sensors. TurtleBot3 Waffle Pi is a two-wheeled differential drive type platform but it is able to be structurally and mechanically customized in many ways: Cars, Bikes, Trailers and so on. Extend your ideas beyond imagination with various SBC, sensors and motors on a scalable structure.Modular Actuator for Mobile RobotTurtleBot3 is able to get a precise spatial data by using 2 DYNAMIXEL’s in the wheel joints. DYNAMIXEL XM series can be operated by one of 6 operating modes (XL series: 4 operating modes): Velocity control mode for wheels, Torque control mode or Position control mode for joint, etc. DYNAMIXEL can be used even to make a mobile manipulator which is light but can be precisely controlled with velocity, torque and position control. DYNAMIXEL is a core component that makes TurtleBot3 perfect. It is easy to assemble, maintain, replace and reconfigure.Open Control Board for ROSThe control board is open-sourced in hardware wise and in software wise for ROS communication. The open source control board OpenCR1.0 is powerful enough to control not only DYNAMIXEL’s but also ROBOTIS sensors that are frequently being used for basic recognition tasks in cost effective way. Various sensors such as Touch sensor, Infrared sensor, Color sensor and a handful more are available. The OpenCR1.0 has an IMU sensor inside the board so that it can enhance precise control for countless applications. The board has 3.3 V, 5 V, 12 V power supplies to reinforce the available computer device lineups.Open SourceThe hardware, firmware and software of TurtleBot3 are open source which means that users are welcomed to download, modify and share source codes. All components of TurtleBot3 are manufactured with injection molded plastic to achieve low cost, however, the 3D CAD data is also available for 3D printing.Specifications Maximum translational velocity 0.26 m/s Maximum rotational velocity 1.82 rad/s (104.27 deg/s) Maximum payload 30 kg Size (L x W x H) 281 x 306 x 141 mm Weight (+ SBC + Battery + Sensors) 1.8 kg Threshold of climbing 10 mm or lower Expected operating time 2h Expected charging time 2h 30m SBC (Single Board Computers) Raspberry Pi 4 (2 GB RAM) MCU 32-bit ARM Cortex-M7 with FPU (216 MHz, 462 DMIPS) Remote Controller RC-100B + BT-410 Set (Bluetooth 4, BLE) Actuator XL430-W210 LDS (Laser Distance Sensor) 360 Laser Distance Sensor LDS-01 or LDS-02 Camera Raspberry Pi Camera Module v2.1 IMU Gyroscope 3 AxisAccelerometer 3 Axis Power connectors 3.3 V/800 mA5 V/4 A12 V/1 A Expansion pins GPIO 18 pinsArduino 32 pin Peripheral 3x UART, 1x CAN, 1x SPI, 1x I²C, 5x ADC, 4x 5-pin OLLO DYNAMIXEL ports 3x RS485, 3x TTL Audio Several programmable beep sequences Programmable LEDs 4x User LED Status LEDs 1x Board status LED1x Arduino LED1x Power LED Buttons and Switches 2x Push buttons, 1x Reset button, 2x Dip switch Battery Lithium polymer 11.1 V 1800 mAh / 19.98 Wh 5C PC connection USB Firmware upgrade via USB / via JTAG Power adapter (SMPS) Input: 100-240 VAC 50/60 Hz, 1.5 A @maxOutput: 12 VDC, 5 A Downloads ROS Robot Programming GitHub E-Manual Community

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Specificaties Dubbele ARM Cortex-M0+ @ 133 MHz 264 kB on-chip SRAM in zes onafhankelijke banken Ondersteuning tot 16 MB off-chip Flash memory via speciale QSPI bus DMA-controller Volledig aangesloten AHB crossbar Interpolator en integer divider peripherals On-chip programmeerbare LDO om spanning voor de core te genereren 2x on-chip PLL's om USB en core kloksignalen te genereren 30x GPIO pins, waarvan er 4 als analoge ingangen kunnen worden gebruikt Randapparatuur 2x UARTs 2x SPI controllers 2x I²C controllers 16x PWM kanalen USB 1.1 controller en PHY, met host en device support 8x PIO state machines Wat je krijgt 10x RP2040 ICs

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The DiP-Pi Power Master is an Advanced Powering System with embedded sensors interfaces that cover most of possible needs for application based on Raspberry Pi Pico. It can supply the system with up to 1.5 A @ 4.8 V delivered from 6-18 VDC on various powering schemes like Cars, Industrial plant etc., additionally to original micro-USB of the Raspberry Pi Pico. It supports LiPo or Li-Ion Battery with Automatic Charger as also automatic switching from cable powering to battery powering or reverse (UPS functionality) when cable powering lost. Extended Powering Source (EPR) is protected with PPTC Resettable fuse, Reverse Polarity, as also ESD.The DiP-Pi Power Master contains Raspberry Pi Pico embedded RESET button as also ON/OFF Slide Switch that is acting on all powering sources (USB, EPR or Battery). User can monitor (via Raspberry Pi Pico A/D pins) battery level and EPR Level with PICO’s A/D converters. Both A/D inputs are bridged with 0402 resistors (0 OHM) therefore if for any reason user needs to use those Pico pins for their own application can be easy removed. The charger is automatically charging connected battery (if used) but in addition user can switch charger ON/OFF if their application needs it. DiP-Pi Power Master can be used for cable powered systems, but also for pure Battery Powered System with ON/OFF. Each powering source status is indicated by separate informative LEDs (VBUS, VSYS, VEPR, CHGR, V3V3).User can use any capacity of LiPo or Li-Ion type; however, must take care to use PCB protected batteries with max discharge current allowed of 2 A. The embedded battery charger is set to charge battery with 240 mA current. This current is set by resistor so if user need more/less can himself to change it.In Addition to all above features DiP-Pi Power Master is equipped with embedded 1-wire and DHT11/22 sensors interfaces. Combination of the extended powering, battery, and sensors interfaces make the DiP-Pi Power Master ideal for applications like data logger, plants monitoring, refrigerators monitoring etc.DiP-Pi Power Master is supported with plenty of ready to use examples written in Micro Python or C/C++.SpecificationsGeneral Dimensions 21 x 51 mm Raspberry Pi Pico pinout compatible Independent Informative LEDs (VBUS, VSYS, VEPR, CHGR, V3V3) Raspberry Pi Pico RESET Button ON/OFF Slide Switch acting on all powering sources (USB, EPR, Battery) External Powering 6-18 V DC (Cars, Industrial Applications etc.) External Power (6-18 VDC) Level Monitoring Battery Level Monitoring Inverse Polarity Protection PPTC Fuse Protection ESD Protection Automatic Battery Charger (for PCB protected LiPo, Li-Ion – 2 A Max) Automatic/User Control Automatic Switch from Cable Powering to Battery Powering and reverse (UPS Functionality) Various powering schemes can be used at the same time with USB Powering, External Powering and Battery Powering 1.5 A @ 4.8 V Buck Converter on EPR Embedded 3.3 V @ 600mA LDO Embedded 1-wire Interface Embedded DHT-11/22 Interface Powering Options Raspberry Pi Pico micro-USB (via VBUS) External Powering 6-18 V (via dedicated Socket – 3.4/1.3 mm) External Battery Supported Battery Types LiPo with protection PCB max current 2A Li-Ion with protection PCB max current 2A Embedded Peripherals and Interfaces Embedded 1-wire interface Embedded DHT-11/22 Interface Programmer Interface Standard Raspberry Pi Pico C/C++ Standard Raspberry Pi Pico Micro Python Case CompatibilityDiP-Pi Plexi-Cut CaseSystem Monitoring Battery Level via Raspberry Pi Pico ADC0 (GP26) EPR Level via Raspberry Pi Pico ADC1 (GP27) Informative LEDs VB (VUSB) VS (VSYS) VE (VEPR) CH (VCHR) V3 (V3V3) System Protection Direct Raspberry Pi Pico Hardware Reset Button ESD Protection on EPR Reverse Polarity Protection on EPR PPTC 500 mA @ 18 V fuse on EPR EPR/LDO Over Temperature protection EPR/LDO Over Current protection System Design Designed and Simulated with PDA Analyzer with one of the most advanced CAD/CAM Tools – Altium Designer Industrial Originated PCB Construction 2 ozcopper PCB manufactured for proper high current supply and cooling 6 mils track/6 mils gap technology 2 layers PCB PCB Surface Finishing – Immersion Gold Multi-layer Copper Thermal Pipes for increased System Thermal Response and better passive cooling Downloads Datasheet Datasheet

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Designing, Wiring, and Controlling Build Your Own Coffee Roaster is a practical guide to constructing and operating the Cobra Smart Roaster and its companion Open Roaster Controller (ORC). The e-book walks the reader through every stage of the build, from assembling the powerhead and wiring the system to installing and configuring the controller. Along the way, you’ll learn how to use the Raspberry Pi to bring precision and flexibility to your roasting process. Clear, step-by-step chapters cover: Powerhead construction and required components Low- and high-voltage wiring Installing the ORC, network setup, and using the web interface Roasting coffee with the Cobra in different setups, including hand-stir and bread-machine roasting Advanced topics such as manual mode, fixed profiles, Artisan-Scope connections, and ORC system programming A complete parts list, practical guidance throughout, and concise explanations make this e-book a useful reference for anyone interested in building, modifying, or understanding their own coffee-roasting system.

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