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![EM-18 RFID Reader Module [C] NodeMCU/ESP This is 20-pin with 10](https://cdn.shopify.com/s/files/1/0300/6424/6919/products/EM18-RFIDReaderModule.jpg?v=1652704251)
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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
This is 20-pin with 10 individual position slide type DIP switch
1x MCT2E Optocoupler IC
Connect VCC-A to 3
standard PC
out of which 4 pins are ADC compatible
EM-18 RFID Reader Module [C] NodeMCU/ESP This is 20-pin with 10Radio frequency Identification (RFID) is a wireless identification technology that uses radio waves to identify the presence of RFID tags. We need to bring the RFID tags near to the reader to read the unique identifier number associated with that RFID tag as it has a microchip with radio antenna mounted on a substrate which carries a unique 12 byte identifier. RFID Reader has a transceiver and antenna mounted on it to read the data of the RFID tag and
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