Device and method having infrared transponding and infrared detection functions
A technology of infrared detection and infrared forwarding, applied in the field of the Internet of Things, can solve the problems of not getting large-scale application and popularization, and achieve the effect of efficient infrared emission and expanding signal coverage area
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[0071] Embodiment 1: The infrared receiving module adopts an integrated infrared receiving head, including automatic gain control, band-pass filter, PIN photodiode, low power consumption, and operational amplifier, which can effectively filter out noise and interference signals.
[0072] When receiving the 38K carrier signal from the remote control, the infrared receiving module 203 will output a low level, otherwise it will output a high level, so that the "intermittent" remote control signal can be demodulated into a continuous square wave signal with a certain period The output is sent to the processor 201 for processing.
[0073] Infrared receiving module 203 is a miniaturized receiving device that can receive infrared signals. The infrared receiving module is provided with epoxy packaging and can be used as an infrared filter, so it does not need to add an infrared filter; even in an environment with strong interference, its The output is still very stable.
[0074] The ...
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