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    HX1838 Infrared Wireless Remote Control Module

    ₦ 2,000

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    Description
    The HX1838 is a 38kHz infrared (IR) wireless remote control module and receiver kit widely used for adding remote functionality to Arduino, Raspberry Pi, and other microcontroller projects. It typically includes an ultra-thin 21-key or 17-key handheld transmitter and a compact receiver module capable of decoding signals up to 8 meters away.
    Key Specifications:
    The module is designed for low power consumption and high sensitivity in indoor environments.
    • Operating Voltage: 2.7V to 5.5V DC, making it compatible with both 3.3V and 5V logic levels.
    • Carrier Frequency: 38kHz, which is the standard for most consumer electronics remotes.
    • Transmission Distance: Typically 5 to 8 meters (up to 18 meters for the receiver under optimal conditions).
    • Effective Angle: 60 degrees.
    • Current Consumption: 3–5µA static (idle) and 3–5mA dynamic (active).
    • Encoding Format: Uses the NEC protocol for signal transmission.
    Receiver Module Features:
    The receiver unit is often a breakout board that simplifies wiring with a 3-pin interface.
    • Integrated Components: Includes a photodetector, preamplifier, and internal filter for PCM frequency in a single package.
    • Pinout:
      • VCC: External 3.3V–5V voltage.
      • GND: External ground.
      • OUT (IN): Digital output to the microcontroller I/O port, often featuring a 10K pull-up resistor.
    • Visual Feedback: Many modules include an onboard LED that flashes when an IR signal is successfully received.
    Common Applications:
    Due to its ease of use and affordability, the HX1838 is a favorite for several DIY and educational projects.
    • Home Automation: Controlling lights, fans, or smart appliances with a standard TV remote.
    • Robotics: Implementing manual wireless control for robot navigation and task execution.
    • Interactive Art: Triggering lights, sounds, or animations in art installations.
    • Media Centers: Building custom remote interfaces for PC-based media setups.