IR Receiver TSOP1738

The TSOP1738 IR Receiver is a compact infrared receiver module designed to detect 38 kHz modulated IR signals, commonly used in TV remotes, air conditioners, and other remote control systems. It includes a built-in preamplifier, filter, and demodulator, providing a clean digital output signal directly compatible with microcontrollers.

This sensor is ideal for Arduino, ESP32, Raspberry Pi, and DIY remote control projects.

🔹 Key Features

• Tuned for 38 kHz IR frequency

• Built-in amplifier and filter

• Digital output signal

• High noise immunity

• Low power consumption

🔹 Technical Specifications

• Operating voltage: 2.7V – 5.5V

• Carrier frequency: 38 kHz

• Output type: Digital

• Detection range: Up to 10 meters (depends on transmitter)

• Pins: VCC, GND, OUT