4PCS TXS0108E High-Speed Full-Duplex TXS0108E 8 Channel Logic Level Converter Module for Arduino Raspberry Pi IIC I2C SPI
8 digit bi-directional 3.3V-5V/5V-3.3V logic level converter board.
It can bidirectionally transfer with 8 channels between high logic voltage and low logic voltage.
VCCA side voltage range: 1....
ID Access Control Reader ID/IC Card Reader Module Support WG 26/34
It is a IC Access Control Reader. It has a capacity of 15000 users,can be connected to an external card reader,and can be connected to a barrier.
1).It supports 15,000 users.