OSOYOO Yellow LED Module
Arduino Graphical Programming Kit:
https://osoyoo.com/2019/07/31/graphical-programming-tutorial-for-arduino-four-of-flowing-water-light/
https://osoyoo.com/2019/07/31/graphical-programming-tutorial-for-arduino-using-a-button-module-to-control-the-onboard-led/
OSOYOO Smart Home IoT Learning Kit:
https://osoyoo.com/2019/10/16/smart-home-iot-lesson-13-led-auto-tracing-human-movement/
