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IR Wireless Remote Control Kit — HX1838 Receiver, 17-Key Remote, 38kHz, Arduino
IR Wireless Remote Control Kit HX1838 Receiver, 17-Key Remote, 38kHz, Arduino
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IR Wireless Remote Control Kit — HX1838 Receiver + 17-Key Remote, 38kHz
This IR wireless remote control kit includes a 17-key infrared remote and an HX1838 IR receiver module, operating at the standard 38kHz carrier frequency. Compatible with Arduino, Raspberry Pi, and ESP32, it enables wireless control of LEDs, motors, relays, and any GPIO-driven device with a range of up to 8 meters.
Key Specifications
| Parameter | Value |
|---|---|
| IR Receiver IC | HX1838 (VS1838B compatible) |
| Carrier Frequency | 38kHz |
| Reception Range | Up to 8m (line of sight) |
| Reception Angle | ±45° |
| Receiver Supply Voltage | 3.3V – 5V DC |
| Receiver Output | Digital (active-low pulse, NEC protocol) |
| Remote Protocol | NEC (32-bit) |
| Remote Battery | CR2025 / CR2032 (included) |
| Remote Keys | 17 (0–9, CH−/CH/CH+, VOL−/VOL+, EQ, 100+, 200+, Play/Pause) |
Why Choose This IR Kit?
- NEC Protocol — Most widely supported IR protocol; compatible with IRremote Arduino library out of the box
- 8m Range — Reliable control across a room without line-of-sight precision
- HX1838 Receiver — Built-in bandpass filter and demodulator; outputs clean digital signal directly to MCU
- 3-Pin Interface — VCC, GND, DATA — connects to any Arduino analog or digital pin
- 17 Unique Keys — Enough for menu navigation, volume control, and custom function mapping
Typical Applications
- Arduino IR remote-controlled LED dimmer or RGB controller
- Wireless relay and appliance control
- Robot car direction control (forward/back/left/right)
- IR-controlled servo or stepper motor
- Home automation IR blaster/receiver
- TV/AC remote signal decoding and re-transmission
Arduino Library & Setup
Install IRremote library by shirriff (Arduino Library Manager). Connect HX1838 DATA pin to digital pin 11 (default). Use IrReceiver.decode() to read NEC codes. Each of the 17 keys has a unique 32-bit hex code.
FAQ
Q: Can I use this receiver with other IR remotes (TV, AC)?
A: Yes — HX1838 receives any 38kHz IR signal. Use IRremote library to decode NEC, Sony, RC5, RC6, and other protocols.
Q: What’s the difference between HX1838 and VS1838B?
A: Electrically equivalent — same pinout, same 38kHz center frequency, same output logic. Interchangeable in all circuits.
Package Contents
- 1× HX1838 IR Receiver Module
- 1× 17-Key IR Remote Control (with battery)
