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Infrared IR Transmitter High Power

Infrared IR Transmitter High Power

Best price now

$6.56at KuriosityChecked Nov 9

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Price facts

  • Last seen at $6.56 at Kuriosity on Nov 9.
  • Our take on the Infrared IR Transmitter High Power

    This is a bare high-power infrared transmitter module built around a 3W, 940nm IR LED for Arduino and similar microcontroller projects. Its selling point is reach: the 45mil chip and 120° beam are rated for 30-40 meters at full power, far beyond the few meters of a standard 5mm IR LED. That reach comes at a cost: it draws about 700mA at 5V, so it needs a proper driver transistor and supply, not a bare GPIO pin. It suits makers who need to blast IR commands across a room or into another room, and it is a single-purpose part rather than a finished remote.

    Best forArduino and microcontroller IR projectsLong-range control of TVs and air conditionersSmart home IR blaster buildsMakers replacing weak standard IR LEDs
    Pros
    • Rated 30-40 m range at full power
    • 3W, 45mil chip for strong output
    • Wide 120° emission angle
    • Standard 940nm wavelength matches most consumer IR gear
    • Long rated lifespan over 50,000 hours
    Cons
    • Draws about 700mA at 5V, so it needs an external driver
    • Bare module, no receiver or control circuitry included
    • No built-in current limiting or heatsinking
    • Only one unit in the box

    Infrared IR Transmitter High Power prices at every store

    • KuriosityNew

      In stockShips from Singapore · priced in SGD (SGD 8.40) · duties may applyReturn policy

      $6.56Checked Nov 9
      Visit Kuriosity

    About the Infrared IR Transmitter High Power

    This high-power infrared (IR) transmitter module is made for Arduino projects that need long-range IR signal transmission. It uses a high-power IR LED.

    The module can be used to communicate with TVs, air conditioners, smart home devices and other IR-controlled systems.

    Operating voltage
    5V
    Wavelength
    940nm
    Power
    3W
    Operating current
    700mA
    Chip
    45mil
    IR distance
    Up to 30-40 meters at full power
    Lifespan
    >50,000 hours
    Angle
    120°
    Compatibility
    Arduino projects
    In the box
    1 x Infrared IR Transmitter High Power

    Questions and answers

    Can I connect it straight to an Arduino pin?
    No. At 700mA and 5V it exceeds what a GPIO pin can supply. Use a transistor or MOSFET driver stage with its own supply and a current-limiting resistor.
    What range can I realistically expect?
    The module is rated for 30-40 meters at full power with a clear line of sight. Real range drops with obstacles, angle and how hard you drive the LED.
    Does it work with any IR remote protocol?
    It is a transmitter only, so it sends whatever modulated signal your microcontroller generates. It works with common 38kHz carrier protocols when paired with an IR library.
    Is a receiver included?
    No. The box contains one transmitter module only. You need a separate IR receiver if you want to learn or decode remote codes.
    What wavelength and angle does it use?
    It emits at 940nm with a 120° beam angle, which matches most TVs, air conditioners and other consumer IR devices.
    Where is the Infrared IR Transmitter High Power cheapest?
    At Kuriosity, for $6.56, as of our latest check.