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just by joining the positive and negative terminal to power supply and LED+
8V UART header
as in a small scale
Coil end 2
PC817 IC is used to provide electrical isolation between two circuits
EM-18 RFID Reader Module Variabale Resistor just by joining the positiveRadio frequency identification (RFID) technology whereby digital data encoded in RFID tags is captured or identified by a reader via radio waves. EM 18 RFID Reader Module utilizes radio frequency electromagnetic fields to transfer data, For the purposes of automatically identifying and tracking tags attached to objects. The tags contain electronically stored information. This EM 18 RFID Reader is a Tiny, simple to use RFID reader module. Pinout Pin
US$ 3850.00
US$ 48.95
US$ 38.00