(Sorry for the late response.)
Well, thank you for the help... I guess I'll just try to rebuild the circuit even more slowly and carefully than I did the first time, and continue taking measurements along the way.
I appreciate the suggestion with the zero-crossing detector stuff, and I'll...
Sorry, forgot part numbers.
Optocoupler:
http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=751-1279-5-ND"
Transistor:
http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=ZTX956-ND"
Both seem (to me) to be 200V, so I gave a 30V buffer.
Well, am I missing something here...
Homework Statement
I made a circuit with a microcontroller to PWM a 100-watt incandescent bulb, and it fried my microcontroller and tripped my circuit breaker the moment I plugged the light in. Maybe there is something REALLY obvious that I'm missing, but I thought there was total isolation...
How am I supposed to answer a hypothetical question without any details? 8^\
Certainly every brand of crime is different and has different consequences, but I'm not sure the differences are so incredible. Beating someone up and taking their wallet has painful consequences and so does robbing...
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