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In Reply to: RE: Help ! :( posted by KanedaK on August 24, 2016 at 01:56:01
Like Coner mentioned, make sure your PS is DC, and not AC. If it is AC, you may have destroyed the opamps. It should require very little current, so I would think any wall wart would have enough.
Follow Ups:
Damn. For whatever stupid reason, I was kinda sure all 12v supplies were DC... turns out they're not, BUT on the one I used nothing is written at all! JUst 12V - 1A. Could be AC, could be DC, no way to know just by reading what's written on it.
How big are the chances that I destroyed the opamps?
I'll get a 12V DC wall wart and try again. Fingers crossed.
Do you have a multimeter? If so, measure the voltage on the output plug, using the VDC setting on the meter. If it is a DC PS, you will measure 12V or so. If it is AC, you will read very low or nothing. That should tell you.
If you are serious about this hobby, you need a fairly decent multimeter, and a scope would be your best friend. A good used analog scope can be found for very reasonable prices these days.
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