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Without damage) Frequency Range 47 ~ 63Hz Efficiency 75
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
Collector-Emitter Voltage 80 V Max
eliminating the need to update all displays at the same time
EM-18 RFID Reader Module Variabale Resistor Without damage) Frequency Range 47Radio 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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