ESP32 3,3V auf 5V Bidirektionaler Pegelwandler Hutschiene Klemme Adapter Modul
ab 19,20 €
It can convert the 3.3V level of ESP32 to 5V level input/output. 1:This is just an expansion board. You need to insert a 30-pin ESP32 board when using it. 9 Size: 72 58 9mm(only Board),86 60 35mm(with Rail Box).
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