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Mellotron89
modified 10 years ago

LED heart

5
0
329
02:11:07
A nice way to show how to use the OpAmp as open loop comparator... and surely to conquer the girl you like. LEDs are turned on/off by four OpAmps comparing the rising/decreasing voltage at the negative pin with the fixed reference at the positive pin. The fifth OpAmp is just a buffer.
published 10 years ago

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