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prprog said:Thanks for the eDrum site. I check this web site before...but the solution used a PIC , which already got analog inputs (ADC). My project involved no PIC so I am still looking on how to handle a delay switching based on the voltage generated by the piezo.
Nigel Goodwin said:It would seem stupid NOT to use a PIC? - it could be done (and was decades ago), but it makes it MUCH more complicated and expensive.
Nigel Goodwin said:Check for 'sample and hold' circuits.
I'm always sceptical though when people say they want a 'challenge', spending lots of time and money to create an inferior project by using old technology - it's usually ONLY because it's a school assignment!.