I was working with an Arduino clone (Osep) controlling an electric pump, when I accidentally fried digital pin 9. It read zero volts no matter what I did. Since I needed to use PWM, I switched to pin 10 and continued on. After I got everything working OK, I noticed the motor would start briefly duri…

When you burn out one pin...

smeezekitty July 2, 2012, 5:28pm 11

Next time, turn the power off before rewiring. It can prevent the smoke from coming out

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