The EB090 sensor mother board allows you to interface your projects with 20 different types of electronic sensor modules from simple light sensors, through to advanced digital compasses. The sensor motherboard connects to your E-blocks system using a standard 9 way D-type connector. A patch system allows you to set up the connections between sensors and the pins on the host microcontroller. Connection to up to two daughter sensor modules is made with dual rows of 0.1 inch header connectors in two rows, and the sensor modules can be screwed into the Motherboard to prevent easy removal and make the system more rugged. The Motherboard also includes a rugged potentiometer for general Analogue to Digital Conversion experiments, and an on-board light sensor. Compatible with 5V and 3.3V systems.