April 3, 2009
Tutorial - Controllable Power Outlet
about 6 years ago
Hey, I’m using this relay with an atmega168, but I’m having a problem. The device I’m powering is 120vac, so both it and my chip are powered from the same device (yes, I use a regulated power supply to get the 120ac down to 5v dc).
my question is, I have the relay close the circuit right when you plug it in, but as soon as my code stops powering the coil and it clicks off, about 80% of the time the power to my chip goes out and the thing reboots and starts over. The power led on my power supply circuit actually goes out for a second, then the whole thing starts over. What am I doing wrong here?
This is actually the 2nd time I’ve built this circuit with the same problem.
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