4 Channels IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter
EGP 45
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If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. logic level converter is a small device that safely steps down 5V signals to 3.3V and steps up 3.3V to 5V. It is used with normal serial, I2C, SPI, and any other digital signal. Does not work with an analog signal. This level converter also works with 2.8V and 1.8V devices. Each level converter has the capability of converting 8 pins on the high side to 8 pins on the low side. Two inputs and two outputs are provided for each side. How to use? The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the 'HV' pin, low voltage (2.8V for example) to 'LV', and ground from the system to the 'GND' pin. Pins are labeled as I nputs and O utputs. These are relative to the board. A digital one going into the RXI pin on the 5V side will show up on the RXO pin on the 3.3V side as 3.3V. A digital one going into the TXI pin on the 3.3V side will show up on the TXO pin on the 5V side as 5V. For Schematic Diagram, please click here
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