This project is using ESP8266 Expansion Board to work as a data bridge between Android mobile APP and toy car, you can send control signal to the car and get sensor data from the car by tapping the APP buttons.
Please insert the ESP8266 Expansion Board into Arduino UNO R3 Board as per following pictures, then set the two switches in ESP8266 Expansion Board to “ON” so that the ESP8266 Expansion Board is connected with Arduino UNO serial port.
Set the switch of ESP8266 Expansion Board to “12” , load above code into Arduino UNO board, then set the switch to “ON” and turn on the power .
Click the up and down buttons , the car will move forward and backward respectively. Tap left and right buttons and your call move towards left and right. Tap the middle button can stop the car and get sensor data.
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