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Hi,
I'm using a 555 timer to set the output hi for a short period of time and then back low.
The problem: if the trigger low signal its shorter that the output toggling time the circuit works fine.
If the trigger is longer that the output time, the output will stay hi for the hole trigger time...
Hi
I have an AC signal that I want to supervise.
Based on the signal I want to enable/disable an other device (+3.3VDC).
I was thinking to use an opamp but any other suggestions should be welcome.
Questions:
1. How can I convert the AC +/- 0.2V to 3.3VDC?
If the AC signal is zero or below...
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