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RC5 Remote Control

RC5 Remote Control
RC5 Remote Control
This circuit has been designed to switch lights and other loads on and off, using any RC5-compatible remote control. The receiver can be programmed to respond to any RC5-code, including the address (TV1, TV2, VCR1, etc.). The default address is ‘TV1 code 4’.As can be seen from the circuit diagram, the circuit is very simple and consists of four main parts: an IR receiver module, a microcontroller, a triac driver and a supply section.The supply for the circuit is derived directly from the mains, via C3, R2 and F1. The voltage is first pre-regulated to 12 V by zener D2, which is followed by voltage regulator IC1 to provide a perfectly regulated 5 V DC.

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Materials

Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD 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.

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PCB

Component list

Resistors:
R1 = 560Ohm
R2 = 150Ohm 1W
R3,R4 = 47Ohm 1W
R5,R6 = 470kOhm
Capacitors:
C1 = 100nF ceramic
C2 = 10µF 16V radial
C3 = 470nF 250VAC class X2
C4 = 470µF 16V radial
C5 = 22nF 250VAC, class X2
Semiconductors:
D1 = 1N4007
D2 = zener diode 12V 1.3W
Tri1 = TIC206D
IC1 = 79L05
IC2 = ATtiny22L-8PC Atmel (programmed, order code 000189-41)
IC3 = TSOP1836 (Vishay-Telefunken) (or Infineon SFH5110, Sharp IS1U60)
Miscellaneous:
JP1 = 2-way pinheader +with jumper
K1,K2 = 2-way PCB terminal block, lead pitch 7.5 mm
F1 = fuse 1AT (time lag) with PCB mount holder
Disk, source code files, order code 000189-11

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