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4 Channel Bidirectional Logic Level Converter
The logic level converter is a device that allows you to connect 5V logic systems to 3.3v systems and vice versa. This converter is very easy to set up: simply power this device up using 5V (marked HV), 3.3V (marked LV) and ground (marked GND). You can then convert up to 4 different signals using the pads marked LV1-5 and HV1-5.