IR (Infrared) Receiver & Transmitter Module Pair

📡 IR (Infrared) Receiver & Transmitter Module Pair

The IR (Infrared) Receiver and Transmitter pair is commonly used for wireless remote control and object detection in DIY electronics and embedded systems. It allows devices like Arduino to send and receive infrared signals, ideal for remote communication, automation, and obstacle sensing.

⚙️ Technical Specifications

🔺 IR Transmitter (IR LED)

• Wavelength: ~940 nm

• Forward Voltage: 1.2V typical

• Forward Current: 20–50 mA

• Beam Angle: ~20–30°

• Package: 5mm clear or dark LED

🔻 IR Receiver (Photodiode or TSOP Module)

• Operating Voltage: 2.7V–5.5V

• Carrier Frequency: 38 kHz (typical for remote control)

• Output Type: Digital (LOW when IR detected)

• Package: 3-pin or 2-pin black capsule

🛠️ Applications

• TV remote control

• Arduino IR communication

• Obstacle avoidance robots

• Line-following robots

• Wireless data transfer