The 555 analog natural wind control circuit of Meifeng fan

Published:2011/6/1 3:25:00 Author:Borg | Keyword: natural wind, control circuit | From:SeekIC

The circuit is shown in Figure 12-34, which consist of sub-circuits of AC step-down rectifier, low-frequency non-steady multi-resonate oscillator and relay controller motor, etc. This circuit is simple. And the simulated wind is vivid, it is strong sometimes or weak other times, so the effect is good.The time-based 555 circuit, R1,R2,RP1,RP2,C3 and so on consist a non-steady multi-resonate oscillator, the oscillating frequency is very low, which is T=0.693(R1+RP1+R2+RP2)C3 The oscillating period of the parameter in the figure ranges 13~44s, which can be regulated by adjusting RP1 and rp2.



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