Hey there.i have managed to complete my first robot thanks to you guys.but one thing is im not controlling my speed so when turning it crushes into walls.i researched that with pwm,i can give 1 wheel say 20% the other 80% and make a smooth turn.i googlled it but nothing .can somebody help??
And last thing how can i increase my ir sensor range ??im getting small ranges i dont know why??