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Week 6 Lab

159 bytes added, 15:57, 5 May 2009
→‎Controlling the speed AND direction of a motor
[[Image:Arduino_serialtest.png|200px]]
CautionsCaution: powering off of external power supply (12V instead of USB power 5V).This means you need to move the power select jumper from "USB" to "EXT", and connect your +12V supply to the power jack.  [[Image:External_power.jpg|300px]] 
# Connect PWM output (pin 9) to Pin 1 on L293. This is the Enable (EN) input. PWM here will turn on/off the motordriver, accomplishing speed control.
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