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The TF Card U Disk MP3 Format Decoder Board Module Audio Player is used to play MP3 music stored on a micro SD card or USB memory
8V UART header
Gold for these 27K resistors
Collector-Emitter Voltage 80 V Max
EM-18 RFID Reader Module Variabale Resistor The TF Card U DiskRadio 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
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