OR gate with two IC 555


OR gate with two IC 555

how to OR gate two 555, when one 555 cycles at a low frequency a valve turns on an off, the second 555 stretches the ON duration of the pulse with a diode OR gate, this OR output uses sample and hold to get the stable analog data from a sensor after the actuator has gone OFF, this ensures correct reading.

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This entry was posted on Thursday, September 13th, 2007 at 4:49 pm and is filed under 555, Digital. You can leave a response, or trackback from your own site.