8 Bit Tastatur Modul mit LED Anzeige Touch Button Modul für Mikrocontroller
2,57 €
Built-in pull-up resistor: simplify the circuit design, no need to connect external pull-up resistor, improve stability. With LED indicator: green LED power indicator, working status at a glance. Output mode: digital signal output (key press output low level signal, release the key output high level signal).
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