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while female ends do not and are used to plug things into
They are intended as fixed voltage regulators in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation
Lolin Node MCU base
thus allowing the overall board size to be smaller and space-saving
RFID Reader Serial Light/Colour/Camera while female ends do notRFID 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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