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2 questions
-1
votes
1
answer
932
views
Why is my piezo buzzer emitting a clicking sound?
I'm trying to make a voltage controlled oscillator (VCO.) It works just fine, but my piezo buzzer keeps clicking in conjunction with the square wave the NE555P is producing, making a weird effect. Is ...
- 3
5
votes
1
answer
7k
views
Difference between NE555P and 555CN?
I'm working on a circuit that uses two 555 timers. At the electronics store, they gave me a handful of 555 chips, I only noticed the difference when I finished my circuit: the R1 value is shorted out, ...
- 617