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मूल्य सूची: Retail Price (B2C) मूल्य सूची
मूल्य सूची: Retail Price (B2C) मूल्य सूची
38kHz Universal Infrared (IR) Receiver Sensor Module

38kHz Universal Infrared (IR) Receiver Sensor Module

(0 review)
SpecificationDetails
Operating Voltage3.3V to 5V DC
Carrier Frequency38kHz
Receiving Distance10 to 15 Meters (Environment dependent)
Reception Angle± 45 Degrees
Output TypeDigital (Active Low)
Current Consumption0.5mA to 1.5mA (Ultra-low power)
Operating Temp-25°C to +85°C
                                 Price

🚚 Ships within 24 Hours
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₹ 42.37 ₹ 42.37
(Tax included)

बारकोड: 97412514

Product Description

The IR Receiver Module is a "plug-and-play" solution for wireless communication. The onboard circuitry is designed to convert high-frequency infrared pulses into clean, logic-level digital signals that a microcontroller can easily interpret. The module typically features a built-in LED that flashes when a signal is detected, providing immediate visual feedback during debugging. Its 3-pin interface (VCC, GND, and Signal) is fully compatible with Arduino, Raspberry Pi, and ESP32, requiring no external resistors or capacitors for basic operation.

Key Features

  • High Noise Immunity: Internal band-pass filter blocks out interference from sunlight, fluorescent bulbs, and IR-heavy environments.

  • Long Range Detection: Capable of picking up signals from across a large room (up to 15 meters) with a clear line of sight.

  • Low Power Design: Consumes minimal current, making it ideal for battery-operated remote-controlled projects.

  • Standard 38kHz Frequency: Compatible with almost all consumer electronics remotes (TV, DVD, AC) and common IR transmitter modules.

  • Compact PCB: The small form factor allows it to be hidden behind dark transparent plastic for a professional "consumer product" look.

Technical Details

  • Logic Level: Output is normally HIGH and goes LOW when an IR signal is detected.

  • Signal Protocol: Supports NEC, Sony, Philips (RC5/RC6), and other common IR protocols.

  • Mounting: Includes a 3mm hole for secure chassis mounting.

Prototyping and Engineering Tips from Robogears

  • The "Active Low" Logic: Remember that the signal pin is Active Low. This means your code should look for a "LOW" pulse to begin decoding the incoming data packet.

  • Library Support: For Arduino users, the IRremote library is highly recommended. It handles the complex timing required to distinguish between different buttons on a remote and provides the Hex codes (e.g., 0xFF30CF) for easy logic implementation.

  • Power Stability: IR receivers are sensitive to power supply noise. If your receiver is giving erratic data while motors are running, add a 100Ω resistor in series with VCC and a 4.7µF capacitor between VCC and GND right at the module pins to "clean" the power.

  • Testing without a Remote: If you don't have an IR remote handy, you can test the receiver using a standard 940nm IR LED and another Arduino. Simply program the second Arduino to toggle the IR LED at a 38kHz frequency using a 50% duty cycle.

Package Includes

  • 1 x Infrared (IR) Receiver Module (TSOP-style)

Disclaimer

The receiving distance may be significantly reduced if the sensor is placed in direct sunlight. Ensure the operating voltage does not exceed 5.5V to prevent damage to the internal IC.

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