voice activated relay
- Thread starter glenwanda
- Start date
nerdegutta
- Joined Dec 15, 2009
- 2,676
Hi.
Just thinking....
A microphone picks up some sound. It will trigger a 555, monostable timer, and the timer will activate the relay. After a period of time, the 555 time-out, and the gos off.
Something like that?
After a quick google I found this:
Just thinking....
A microphone picks up some sound. It will trigger a 555, monostable timer, and the timer will activate the relay. After a period of time, the 555 time-out, and the gos off.
Something like that?
After a quick google I found this:
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