ITEM NAME:8x16 LED Dot Lattice Display Module MCU Control DIY Kit for Arduino Description: - Comes with 128 LEDs and AIP1640 chip welded on the board. - 4Pin interface (GND,VCC,SDA,SCL). - I2C communication. - Through controlling the AIP1640 chip, thus control the 128 LEDs on the panel turn on or off,displaying the images you want to show on the LED panel. And the brightness of LED displays can be set. - For easy wiring, it includes an HX-2.54 4Pin cable. Specification: - Operating Voltage: DC 3.3-5V - Power loss: 400mW - Oscillation frequency: 450KHz - Driving current: 200mA - Working temperature: -40~80Â °C Package Included: 1 Piece 8x16 LED Dot Lattice Board 1 Piece Cable SKU: QVW0019609973005248.1 Piece 8x16 LED Dot Lattice Board. And the brightness of LED displays can be set. - 4Pin interface (GND,VCC,SDA,SCL). - For easy wiring, it includes an HX-2.54 4Pin cable. - Working temperature: -40~80Â °C.