
Access control / Log for Coffee Grinders, using RFID cards (13.56MHz)
Last updated: Tuesday, January 19, 2021From “Blynk” app you can set: ON time for the grinder (0.1 sec = 1 unit in app) Lock / Unlock the issued RFID cards (realtime) -> Select a User -> Push “Lock/Unlock” button Turn ON the grinder for “Guest” in app → Push “Grind …