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andrewwaack
- 9th July 2009, 13:28
need help want to turn on a light with the clap of the hand well versed in pic 16f84a20p

the problem is the minute voltage (50mv) from the the mic driver circuit is there a way to use this voltage to input threw a pic pin to turn on another





thanks to any smarter minds than mine
andrew

Melanie
- 9th July 2009, 14:27
Solution 1. Use an amplifier to increase the signal level to something that the PIC Input will trigger on.

Solution 2. Pick a PIC with internal Comparators (easiest) or ADC (a little more tricky) which can then work with signal levels down in the range you have got.