microcontroller MP3 car infrared wireless remote control module kit Arduino Raspberry Pi DIY kit HX1838
KSH 350.00
In Stock
The Microcontroller MP3 Car Infrared Wireless Remote Control Module Kit is a complete DIY solution for adding wireless infrared control to your Arduino, Raspberry Pi, or microcontroller projects. This HX1838based kit includes an ultrathin 38kHz IR remote control and a highly sensitive IR receiver module, enabling you to control robots, MP3 players, lighting, and various interactive projects from up to 8 meters away.
| Parameter | Value |
|---|---|
| Receiver IC | HX1838 / VS1838B compatible [citation:9] |
| Carrier Frequency | 38kHz (±0.5kHz) [citation:2][citation:4] |
| Supply Voltage | 2.7V - 5.5V DC [citation:4][citation:9] |
| Operating Current | ~1.5mA (idle) [citation:9] |
| Receiver Angle | ±45° to 60° [citation:1][citation:8] |
| Transmission Distance | Up to 8 meters [citation:1][citation:2] |
| Remote Buttons | 17 function keys [citation:5] |
| Protocol | NEC encoding format [citation:8][citation:11] |
| Remote Battery | 1 x CR2025 (3V button cell) [citation:1][citation:8] |
| Battery Life | 20,000+ key presses [citation:2][citation:5] |
| Quiescent Current | 3-5µA [citation:5] |
| Dynamic Current | 3-5mA [citation:5] |
| Receiver Dimensions | ~23.5mm x 21.5mm [citation:2] |
| Remote Dimensions | 85.7mm x 40mm x 6.5mm [citation:8] |
= Kit Contents =
# IR Receiver Module (HX1838)
| Pin | Function | Description |
|---|---|---|
| OUT / S | Signal Output | Digital output to MCU (active low) |
| VCC | Power Supply | 3.3V - 5V DC input [citation:4][citation:8] |
| GND | Ground | Common ground |
> Pin order may vary by manufacturer - verify before connecting
## Wiring Guide
# Arduino Connection
| Receiver Pin | Arduino Pin |
|---|---|
| VCC | 5V |
| GND | GND |
| OUT | Digital Pin 2 (or any digital pin) [citation:3][citation:9] |
# Raspberry Pi Connection
| Receiver Pin | Raspberry Pi Pin |
|---|---|
| VCC | Pin 1 (3.3V) |
| GND | Pin 6 (GND) |
| OUT | Pin 11 (GPIO 17) [citation:9] |
# ESP32 Connection
| Receiver Pin | ESP32 Pin |
|---|---|
| VCC | 3.3V or 5V [citation:9] |
| GND | GND |
| OUT | GPIO 15 (or any input GPIO) |
> Works with 3.3V and 5V logic levels - no level shifting required
The 17-key remote features standard NEC protocol encoding:
| Row | Keys |
|---|---|
| 1 | Power, Mode, Mute |
| 2 | 1, 2, 3 |
| 3 | 4, 5, 6 |
| 4 | 7, 8, 9 |
| 5 | * (Star), 0, # (Hash) |
| 6 | ↑, OK, ↓ |
| 7 | ←, → |
> Each button transmits a unique 32-bit NEC code [citation:7]
√ Works with Arduino, ESP32, Raspberry Pi, and PIC
√ No additional components needed (except Arduino)
√ IR LED included for transmitting your own codes
√ Excellent value for interactive projects
√ Compact remote with long battery life
The HX1838 Infrared Wireless Remote Control Module Kit provides everything you need to add wireless IR control to your Arduino, Raspberry Pi, or microcontroller project. Perfect for robots, MP3 players, and interactive installations.
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