Electronic circuitry Dot Award


Posted on Dec 11, 2010

Dot Award ; This circuit is tested and functionable. The circuit consists of two lC constituted. lC1 constitute pulse source, because it is just a momentary button switch S is


Electronic circuitry Dot Award
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closed after charging the capacitor C1 to a C1-powered, so IC1 pulse oscillation source composed only been a while (more than ten seconds) will stop the vibration. But it is the first oscillation frequency from high to low. Pulse counting, decoding so constituted by the IC2 and display driver driven ten LED, then also with the pulse IC, output and to slow down after another to stop the flashing.




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