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Lolin Node MCU base
which is normally for interconnecting the components of a breadboard or other prototype or test circuit
It fully encloses the Raspberry Pi Board with openings for all I/O ports – GPIO pins
This module is perfect for hobbyists and professionals who want to make their projects safer and more efficient
It also supports RS232
RFID Reader Serial Light/Colour/Camera Lolin Node MCU baseRFID Reader Serial The RFID Reader Module has an inbuilt antenna in minimized form factor. designed to work on the industry standard carrier frequency of 125 kHz. Sensitivity Range is about 6cm from antenna. Internal antenna on the PCB Buzzer to detect the proximity cards. Blue LED blinking to show that the RFID reader is powered on. Direct TTL output that can be directly coupled with most of the microcontrollers without max232. Operates at 5v with
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