On the electronics and interfacing side of things, [John] utilises the Arduino pro micro for its copious analog inputs and USB functionality. A nice feature of this board is that it’s based on ...

After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.

This Arduino-based robot automatically detects dust on surfaces using a TCS34725 color sensor and performs cleaning using a water pump and cleaning motor. It intelligently avoids obstacles using IR ...

Base on servo library for stm32f4 (d2a4a47).