HX1838 Infrared Remote Control Module NEC Code

The HX1838 Infrared Remote Control Module is a compact and high-sensitivity IR receiver sensor based on the HX1838 chip. Designed for compatibility with a variety of microcontrollers, this module enables wireless IR communication using the popular NEC protocol. It includes onboard components such as a 10K pull-up resistor and a status LED for easy monitoring and setup.

Key Features

• Uses high-sensitivity HX1838 IR receiver
• Operating Voltage: 3.3V to 5V (directly compatible with 5V and 3.3V microcontrollers)
• Digital output signal (suitable for direct microcontroller I/O connection)
• Integrated 10K pull-up resistor on the data line
• Built-in power indicator LED
• Receives 38KHz frequency remote control signals (NEC protocol supported)
• Typical test range: 5 to 8 meters (may vary with environment and obstacles)

Pin Interface Description

• VCC: Connect to 3.3V – 5V external power source
• GND: Ground connection
• IN: Data output to microcontroller I/O port

Applications

• TV, fan, or appliance remote control projects
• Arduino and Raspberry Pi IR communication
• Home automation
• DIY IR-controlled robots or gadgets

FAQs

Q: Is this compatible with Arduino?

Yes, it works seamlessly with Arduino using libraries like IRremote.

Q: Can it be used with a Raspberry Pi?

Yes, it can be used with Raspberry Pi by connecting to GPIO and using appropriate libraries.

Q: How far can it receive IR signals?

It typically works well within 5 to 8 meters, depending on the environment and line of sight.

Package Includes

• 1 x HX1838 IR Receiver Module