315MHz RF Module Receiver Remote Control 4-Way Learning Decoder Board DC3.3~5V
1,12 €
+ V: DC3.3~5V input. Step 1: Press the learning button of the decoding module once, and the LED light of the decoding module will light up. Step 1: Press the learning button of the decoding module twice, and the LED light of the decoding module will light up.
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