Hi, I was trying to troubleshoot turning on and off two solenoids. I was using a switch to turn the solenoids on and off. I had been running the solenoids at 12 V and the Arduino at input of 5 V, per suggestion from someone. Here is a schematic of just the switch(where I think things went wrong. …

12 Volts Too Large For Arduino Uno?

system March 16, 2012, 2:29am 4

A PnP Transistor would be nice to use to take the Load

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