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| Username | jstapko |
| Member Since | October 13, 2012 |
Now showing circuits 1-5 of 5. Sort by
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hydraulic test control PUBLICpreliminary schematic of an control unit for testing a pressure washer hose. Sw 1 and 3 will control ssolenoid valves, sw2 a pump motor. LED's D1-D3 will show the status of the valves and motor power,... by jstapko | updated December 08, 2012 |
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Circuit for connectiong Swiss army tank microphone PUBLICsome simple circuits for connecting resistance element microphones to get signal out of them (current to voltage converters, basically) by jstapko | updated November 10, 2012 |
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sensor op amp version 1 PUBLICA 2 stage, direct coupled amplifier based on LM741 IC op amps, with capacitively coupled output, intended to amplify sound picked up by a microphone to feed to an arduino by jstapko | updated November 09, 2012 |
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transistor amp 2, as working PUBLICthis is a very simple linear amplifier for boosting the signal generated by a piezoelectric loudspeaker used as a microphone. Since this varsion was drawn, R13 has been replaced by a 56k fixed... by jstapko | updated November 09, 2012 |
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Optoisolator 1 PUBLICby jstapko | updated October 15, 2012 |