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Touching delay lamp switch circuit(1)

2016-08-14 15:53  
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Touching delay lamp switch circuit(1)
Touching delay lamp switch circuit is shown as the chart, as long as to touch the electrode M, the E will be lit, then after a short interval time, the light will automatically turn off. Using the icon data will make the delay time be about 90s. For extending the time, it is best to increase the capacity of C3; the other hand, it can reduce the C3 or the value of R2.