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IrDA (Infrared Data Association) is an infrared light transmission protocol, and IrDA transceiver modules are electronic device modules that implement this protocol. They can transfer data from one device to another through infrared light.
The principle:
IrDA transceiver modules send and receive infrared light to achieve data transmission between devices. They use modulation and demodulation technology to modulate data signals onto infrared light, and emit infrared light through infrared emitters.When receiving, they convert light into electricity through photoelectric diodes.
Advantages:
1) wireless transmission without wiring,
2) high transmission speed, which can reach 115kb/s to 4Mb/s, and
3) suitable for short-distance communication between devices such as laptops and mobile devices.
Cons:
1) short transmission distance requiring the use of repeaters,
2) poor penetrability, which cannot go through non-transparent objects
3) affected by environmental light, requiring avoidance of strong light interference.
Common applications:
IrDA transceivers are commonly used to connect two devices for wireless data transmission, such as file transfer and data synchronization between a laptop and mobile devices.
IrDA technology was initially used in wireless data transmission between mobile phones, PDAs, laptops, etc. With technological development, it is now also widely used in the fields of the Internet of Things, smart homes, smart wearable devices, etc.
