IR Receiver for serial interface

Making a simple IR receiver for serial port (RS232,COM)

For receiving infrared signals you have to get a photo module. First you have to determine what range of infrared signal you want to receive with your serial port.Examples for equipment with consumer standard IR devices are CD players, DVD players, TVs, VCRs, Cable Boxes, Receivers, Tape Decks, DVRs, home automation, etc.

This simple circuit receives IR signals using TSOP 1738 photo module. You can use any IR module for your choice. TSOP 17-XX, SFH 506-XX series is a compatible module to receive IR remote control signals from COM ports on CD player, DVD player, TV, VCR, Cable Box, Receiver, Tape Deck, DVR, home automation, etc.

Photo modules TSOP 1730, TSOP1733,TSOP 1736, TSOP 1737, TSOP 1738, TSOP 1740, TSOP 1756 or you can try your old broken DVD Player!, VCR, TV or anything that have an IR remote controller. It should have 3 pins and 5V. Study your the photo module to know how to attach that device and use that pin connections this circuit.
IC1 = 78L05

IC2 = TSOP 1738
(IR Module)
SFH 506-XX
TSOP 17-XX

D1 = 1N4148

R1 = 4k7

C1 = 4.7uf

Standard DB9 and DB25 Pinouts

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