Flicker frequency of multiple sets of different light-emitting diode lights chain circuit


Posted on Nov 10, 2015

It uses multi-vibrator 555 consisting of an integrated circuit, the oscillation frequency Ri,


Flicker frequency of multiple sets of different light-emitting diode lights chain circuit
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the R2 and Cl decisions (such as group A), fo = 1. 443 / (RI + R2) Cl. By the pulse signal Ai-A4 3-pin output control transistor VTi-VT4 conduction and off, control the light emitting diode groups namely A, B, C, D of turning on and off.




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