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/diy/ - Do It Yourself

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>> No.1414709 [View]
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1414709

>>1414707
>>1414707
Here is the circuit used if anyone cares. The plan is to use the PIC to process the data and send it to the pc or save it in a SD card or EEPROM. I still need to make a thing for you to stick your finger in so vibrations don`t mess things up. Also gain on each stage is 100 or so, giving a total gain of 50db(I think?).
Could not find my phone charger and using those circuits planners takes more time than paint. Also you could use a photodiode or something you scrunge up from a remote I thing.

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