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Remote Control Operator

Enhancing remote controlled lighting

Remote Control Operator
Remote controlled light switches are becoming more and more common. DIY stores have inexpensive sets consisting of several light switches and a remote control unit. It's then easy to control everything from your armchair. But how can you control the lighting when you're away, as a deterrent to burglars? With the help of this little circuit that is no longer a problem.
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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor Members can exclusively download these files for free as part of their Membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service. Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Resistors:
R1,R2,R4 = 10k
R3 = 680k
R5 = 47k
R6,R9 = 100k
R7 = 1k
R8 = 3k3
Capacitors:
C1,C4 = 10µF 10V radial
C2,C3,C8 = 15nF
C5 = 100µF 10V radial
C6,C7,C9 = 100nF
C10 = 470µF 25V radial
Semiconductors:
B1 = B80C1500 bridge rectifier in round case (80 piv, 1.5A)
D1 = zener diode 4.3V 500mW
D2 = zener diode 4.7V 500mW
D3 = LED, red, low current
D4 = LED, red, low current
D5 = 1N4148
IC1 = 4538
IC2 = 4093
IC3 = 4029
IC4 = 4051
IC5 = 7805
IC6 = 7812
Miscellaneous:
JP1 = jumper
JP2 = S1, see text
K1 = 11-way SIL pinheader
K2 = 6-12 V adaptor socket, PCB mount
K3 = 5-9 V adaptor socket, PCB mount
K4 = 11-way SIL socket
Time switch 230V
Mains adaptor 12 VAC or 15 VDC
Mains adaptor 5-VDC
Case, e.g., Hammond type 1591-A
PCB, ref. 050173-1 from The PCBShop
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