I'm having an issue with using an opto-coupler output to turn a transistor on and off. I attached a diagram with this post. The point of this is to turn the transistor on and off to allow current to flow down through the 33k ohm resistor. This however is not working. The circuit works until the VCC gets to around 14V. When the voltage increases to 15V, the gate no longer works. Any suggestions are appreciated!
Note: A PNP transistor does not necessarily need to be used. Any electronic switch is acceptable.
Note: A PNP transistor does not necessarily need to be used. Any electronic switch is acceptable.
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