4 channel infrared remote relays

Description

4 Channel Infrared (IR) Remote controller is  using  HT12A and HT12D encoder / decoder chips from Holtek.

Features

• Supply – Transmitter : 3 to 5 VDC, 5 V @ 20 mA & Receiver : 5 VDC @ 200 mA
• Output : 4 channel Latch or Momentary on board Jumper for selection
• Crystal based oscillator for reliability of operation
• Jumper selectable 8 bit address code
• LED output to indicate reception
• On/Off slide switch in the transmitter
• Power-On LED indicator in the Receiver / Transmitter
• Valid transmission indicator
• 4 LED for Relay On/Off status
• Four mounting holes of 3.2 mm each
• PCB dimensions – Transmitter : 43 mm x 56 mm & Receiver : 80 mm x 73 mm

Schematic

Parts List

Receiver BOM

Transmitter BOM

HT12A/HT12E Datasheet

Video

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