Touching delay lamp switch circuit(6)

Published:2011/6/30 5:17:00 Author:Ecco | Keyword: Touching, delay lamp, switch | From:SeekIC

In the circuit shown as the chart, the delay time is mainly decided by R5, C discharging time constant, VT1 magnification and the length of touching time. Typically, a manual touching on M, light E can be lit for 1 ~ 2min.



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