My project For Sumo Robot competitions , I used ATmega2560 -16au Microcontroller with BTN7960B Motor Driver , 6 axis accelerometer and gyroscope ,and I make many of header connector for sensors you will use in your Robots .I am a student , if my project is useful ,Then please leave a comment for develop my project , and I need a little bit of donates for continue with my studies .Thank You,