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.

robotics hardware firmware arduino-nano l293d mobile-robot motor-control hc05-module Updated 3 days ago C++ ...

Arduino LCD library for HD44780 displays. Contribute to sstaub/LCD-HD44780 development by creating an account on GitHub.