TEA5767 is a cheap but functional FM radio module, which allow you to build DIY FM radios. It comes with an antenna via a 3.5mm jack but have no internal volume control.
This MicroPython driver is for TTP229-BSF capacitive keypad on ESP8266/ESP32. Tested on both ESP8266 (WeMos D1 mini) and ESP32 (BPI:bit) with v1.11 firmware.
A platform agnostic driver to interface with the MAX7219 (LED display driver)
An information model for robot hardware. Facilitates interoperability across modules from different robot manufacturers. Built around ROS 2.0