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Pinout 125Khz RFID Module

Posted: Thu Apr 05, 2018 5:47 pm
by markus-schwarz

can anyone tell me, what the Pin labeled with an "S" on this module is for? Mini 125Khz RFID Module - Pre-Soldered Antenna (35mm Reading Distance) It seems to be always pulled to "high"-level ...
If there's a special category in this forum for this kind of product/question, could an admin please move this topic to there? I couldn't find a suitable category.