What could the problem be?

Bad pcb design?
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Defective components?
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Voting closes: December 20, 2045, 12:12:49 pm

Author Topic: I need help troubleshooting Dave's soft latching power switch design  (Read 357 times)

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Offline itsemre

  • Newbie
  • Posts: 1
  • Country: gr
I designed and built a circuit that turns on and off using Dave's soft latching power switch circuit but it has some weird problems. When I give the circuit power it doesn't turn on and when I push the button it turns on, like it should. However, when I push the button again it doesn't turn off, no matter what I do I can't get it to turn off. Another interesting thing is that I can turn it on by just touching the switch's leads. Please help, I need to get this project finished as soon as possible.

You can find a picture of the pcb and schematic here: https://drive.google.com/open?id=1EUNygCo53HiGjN6LQdfGfHrjWLBEhBag

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