Infrared / Light Controled Switch

Description

This circuit is simple remote controlled relay. It is able to switch lamps or other devices.
D1 can be a phototransistor or LDR or an infrared transistor.
Circuit is controlled with an IR remote like a TV remote control (when IR transistor is used)
You can change circiut sensitivity with RV2.


Part List

U1:7805
U2:74111
U3:lm358
Rl1:5v relay
RV2:10k pot
R1:390R
R2:10k
D2:1n4007(for transistor projection)
C1:100uf 16V
C2:100uf 16V
Q1:TIPP112
J1:SIL2 conector for input power(circuit can work with 9V)
J2:terminal block M2

PCB

source : http://www.electronics-lab.com/projects/motor_light/026/index.html