1-Channel Infrared Remote Control Relay Module Learning IR Switch 5V
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Learning IR remote control switch, as the name suggests, the microcontroller can remember a button on the remote control key data
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It can control relays switches, through learning again, you can modify key data storage.
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For example, you use the remote control for this "8" learning key, you can use after the success of "8" to do the control buttons, power-down data is not lost, if you want to use the key "9" as the control, then you need to re-learn the microcontroller to make changes.
