The ceiling lamp control switch circuit (2)

Published:2011/7/3 6:43:00 Author:Borg | Keyword: ceiling lamp, control switch | From:SeekIC

The circuit control switch that is going to be introduced here can be used to control the ceiling lamps(or fancy lamps), and it can make the ceiling lamps indicate 8 lighting states by controlling the closing times of the switches of former lights. The circuit consists of the power supply, counting/pulse distributor and the control circuit, see as the figure. Element selection All of R1~R12 are made of the 1/4W or 1/8W carbon film resistor; R13 is the 1/2W carbon resistor. All of C1～C5 are the the aluminum electrolytic resistors whose withstand voltages are 16V.



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