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The TSOP remote receiver is an infrared sensor designed to receive signals from remote controls. It is commonly used in TV remote controls, home automation, and infrared communication systems. The module consists of a photodiode, amplifier, and demodulator circuit to process IR signals. It operates at a specific frequency (typically 38kHz) to detect signals from standard IR remote transmitters. The output is digital and can be directly read by microcontrollers such as Arduino. It is widely used in consumer electronics, smart appliances, and IoT-based remote control systems. The TSOP receiver provides high sensitivity and noise resistance, ensuring reliable communication. It has a built-in filter to prevent interference from ambient light sources. It is a key component in IR-based automation and wireless control applications.