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I am looking to make a sound detecting circuit for my Camera Axe project. It just needs to quickly detect sound. Currently I use this amplified mic. The things I'm looking to improve are:
Greatly increased sensitivity and have a pot that controls the sensitivity.
(Optional) : It would also...
Using a resistor to limit current means putting a resistor in series. Then use Ohms law to figure out the current. For instance if you have a 5V batter and put a 1K resistor to limit current you'd have a current of 5mA.
I'm using a neon power supply like like this: https://www.amazing1.com/profneon2.htm
The 10 kV goes through a simple voltage doubler (2 caps and 2 diodes) and then through a 1 M-ohm resistor to limit current. I'm trying to charge a large 40 kV cap.
The problem seems to be that the Neon power...
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