DC 3,3V 5V Touch 4 Tasten Schalter Modul kompatibel für Arduino Dev Board 51 MCU
3,65 €
The following four-foot line diagram we can clearly find, under normal circumstances, the key 1 and 2, 3 and 4 feet are connected; when we. Our key module outputs low level when the key is pressed and high level when it is released.
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