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The components of my robot are 2 DC motors,a L293DNE H bridge,and the beloved Arduino UNO board.There are 2 infrared LED's in the front,and 2 fototransistors near them.On the board with the driver are also two voltage dividers for suplying the fototransistors.The infrared sensors are connected on A0 and A1,and the L293D is on A2,A3( left motor) and A4,A5(right motor).
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/arduino-uno-robot