The ceiling lamp control switch circuit (3)

Published:2011/7/3 0:26:00 Author:Borg | Keyword: ceiling lamp, control switch | From:SeekIC

Here is to introduce a ceiling lamp control circuit which is in 2-line control system, the control circuit is installed in the lampshade, and it can control the two states of the lamp through the switch. The circuit consists of the power supply circuit and trigger control circuit, see as the figure. Element selection Both R1 and R4 are the 1/2W metal film resistor; R2, R3 and R5～R8 are all made of 1/4W metal film resistor; C1 is the aluminum electrolytic resistor whose withstand voltage is 25V; C2 is the aluminum electrolytic resistor whose withstand voltage is over 16V.



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