Using your horn to say g'day, tell someone you're here or to tell them to just 'get off the road' is actually against the law. Victoria Police posed the question "Can you beep your horn to call out to ...

Arduino is a popular open-source development board used by engineers, hobbyists, and makers to develop electronic projects and prototypes easily.

The idea is to use the Sipeed Maxduino Board and an ESP8266 (Nodemcu) With the help of Platform IO and… ...