Start here kit posted by Frits---- Problem with Motor Driver and Sharp
March 19, 2011
This is my first robot ever, and I seem to have a problem with the L293D Motor Driver IC and the Sharp GP2Y0A02YK sensor. I bought the kit from Solarbotics. My dad and I put together the (wiring on the) project board, motors, and servo correctly. I downloaded the Programming Editor for Vista and connected it to a computer using the AXE027 USB cable. I turned the servo to center (150). Then, I soldered on the wires on the Sharp exactly like the picture provided. I connected it again, and inserted rechargeable batteries. When I typed in
readadc 0, b0
smoke started coming out of the robot. Then, my dad and I disconnected the sensor, and tried commanding the servo to move. It moved! There was nothing wrong with the servo. Then, we tried
but the motors did not turn the wheels. So, we put our fingers on the motor driver, and found it extremely hot, while the resistor array and PICAXE-28X1 IC Microprocessor were cool. So now, we are facing a problem and do not know what to do.