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Originally Posted by Andrew Blair
we are currently remote controlling a go-cart, and are using a servo to run the gas. however, we cannot make the servo (an appropriate hitec) run with the 2004 brain. we have tried running it through pwm outs, and through the ttl port the camera uses ( we were getting rather desperate).
can someone explain what we are doing wrong, and how to make it work?
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Do you have a backup battery connected? On the 2004/2005 robot controllers, servos receive power from the backup battery.