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/i/42304/products/2016-07-07T09%3A13%3A47.216Z-8295_1.jpg?1606306133 "RFID 125KHz EM4100 ID Reader(8295) from ICStation on Tindie")
RFID 125KHz EM4100 ID Reader(8295) from ICStation on Tindie
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EM4100 protocol description
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Arduino Tutorials – Chapter 15 – RFID | tronixstuff.com
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/i/42304/products/2016-07-07T09%3A13%3A47.216Z-8295.jpg?1606306133 "RFID 125KHz EM4100 ID Reader(8295) from ICStation on Tindie")