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https://designers-guide.org/forum/YaBB.pl Design >> Analog Design >> A circuit for randomly breathing LEDs https://designers-guide.org/forum/YaBB.pl?num=1294172939 Message started by Victor chan on Jan 4th, 2011, 12:28pm |
Title: A circuit for randomly breathing LEDs Post by Victor chan on Jan 4th, 2011, 12:28pm Hi all I would like to build a circuit with breathing lighting effect for 5 to 6 LED, and they breath individually at random time, so to create some completely random lighting effect, and the circuit may be powered up by a 3V battery. So how can this individual random time for switching the LED on and off done please? is it possible to finish this design with a microcontroller? I have done some search outside this forum, ppl seem to use a 555 timer to do this effect, but if I follow this method, does it mean that I will need 1 timer per 1 LED I have in my design please? |
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