The KY-005 Infrared Transmitter Module is a compact and reliable IR emitting module designed for wireless infrared communication, remote control systems, home automation, robotics, and microcontroller-based projects. Equipped with a high-quality 5mm infrared LED, the module emits infrared light at a wavelength of 940nm, making it fully compatible with standard IR receivers and remote-control applications.

This module is widely used with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, AVR, PIC, and other development platforms. It can transmit infrared signals, commands, and data wirelessly to compatible IR receiver modules such as the KY-022 Infrared Receiver Module. Its simple digital interface allows easy integration into DIY electronics, automation systems, and educational projects.

The KY-005 is an excellent solution for building custom remote controls, infrared communication systems, smart home devices, and wireless control applications.

Features:

• High-quality 940nm infrared transmitter

• Built-in 5mm IR LED emitter

• Reliable wireless infrared signal transmission

• Compact and lightweight module design

• Easy digital signal control

• Low power consumption

• Fast response and stable operation

• Compatible with Arduino and microcontrollers

• Suitable for IR remote control projects

• Supports wireless data transmission

• Ideal for automation and robotics applications

• Easy breadboard integration

• Long operational lifespan

• Cost-effective IR communication solution

BDTronics offers premium-quality Arduino modules, sensors, development boards, communication modules, and electronics components for students, makers, engineers, and automation professionals. The KY-005 Infrared Transmitter Module is selected for dependable infrared signal transmission and seamless integration into embedded projects.

Specifications:

• Model: KY-005

• Module Type: Infrared Transmitter Module

• Infrared Wavelength: 940nm

• LED Type: 5mm Infrared LED

• Forward Voltage: 1.1V

• Forward Current: 20mA

• Operating Voltage: 3.3V – 5V

• Control Type: Digital Signal Input

• Communication Method: Infrared Transmission

• Compatibility: Arduino, ESP32, ESP8266, Raspberry Pi, STM32, AVR, PIC

Recommended Resistor Values:

• 3.3V Operation: 120Ω Resistor

• 5V Operation: 220Ω Resistor

How It Works:

• The module emits infrared light when a digital signal is applied.

• Infrared signals are invisible to the human eye.

• Compatible IR receivers detect and decode the transmitted signal.

• Data or commands can be sent wirelessly between devices.

• Commonly used for remote control communication systems.

Pin Configuration:

• S: Signal Input

• VCC: Power Supply

• GND: Ground

How to Use:

• Connect VCC to 3.3V or 5V power supply.

• Connect GND to system ground.

• Connect the signal pin to a digital output pin of the microcontroller.

• Use the appropriate current-limiting resistor.

• Program the microcontroller to generate IR transmission signals.

• Pair with an IR receiver module such as KY-022.

• Test communication using compatible IR protocols.

Applications:

• Infrared remote controls

• Wireless IR communication

• Arduino projects

• ESP32 automation systems

• ESP8266 IoT devices

• Raspberry Pi projects

• Smart home automation

• Home appliance control

• Robotics control systems

• Infrared data transmission

• Electronic learning projects

• DIY remote controllers

• Security systems

• Consumer electronics

• Educational STEM projects

• Embedded communication systems

Advantages:

• Simple and reliable operation

• Low power consumption

• Easy microcontroller integration

• Compact module size

• Stable IR signal transmission

• Compatible with common IR receivers

• Cost-effective wireless solution

• Ideal for beginners and professionals

Package Includes:

• 1 × KY-005 Infrared Transmitter Module

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