Model N/A Quantity 1 Color Blue Material FR4 Features Level conversion for Arduino Specification Board with 5V-3V regulated power supply module; 2-channel 5-3V dual-directional communication interface IIC / I2C level conversion module 3~5V system compatible; AVCC connects 5V system power; ASCL connects 5V system SCL; ASDA connects system SDA; AGND connects 5V system GND; BVCC connects system power; BSCL connects 3V system SCL; BDSDA connects system SDA; BGND connects 3V system GND; Directly plug in experiment board. Application Great for DIY project English Manual/Spec Yes Packing List 1 x Level conversion module