4 CHANNEL INFRARED REMOTE RELAYS
![](https://www.buildcircuit.com/wp-content/uploads/2020/09/H007-Ver2-768x515-1.jpg)
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 onboard Jumper for selection
- Crystal based oscillator for the 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![](https://www.electronics-lab.com/wp-content/uploads/2015/04/4-Channel-Infra-Red-Remote-Controller-using-HT12A-HT12D-and-4-Relay-3.png)
PARTS LIST
Receiver BOM