Electronics > Beginners
Help with troubleshooting simple transistor switch circuit
yaun:
--- Quote from: GerryR on January 17, 2020, 11:50:31 am ---I think Magic hit it on the nose. From the remote release units that I have looked at, they use a "stereo-type" 3-wire plug, which would imply plus, return and signal out. Looks like you may be trying to switch the supply line to ground. Just a guess without knowing the actual camera you are using.
--- End quote ---
tip to ground is shutter, and ring to ground is focus on all of the cameras that I have.
Even if I unground the emitter from the circuit ground and only connect ce to camera or dmm, I get the same results.
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