?The item can be connected to microprocessor and 7-segment digital LED display of eight digits. Multi-functional and practical. <br><br><strong>Features:</strong> <br>It is an integrated serial input/output common cathode display driver. <br>Can be connected to microprocessor and 7-segment digital LED display of eight digits. <br>Also can be connected to the bar graph display or 64 independent LED. <br>Including type B BCD coder£¬ multiple scanning circuit and segment driver. <br>A static RAM(8 * 8) is used to save data. <br>A convenient 4-wire serial interface can be connected to all general microprocessor. <br>Only 3 IO interfaces are needed to drive a dot matrix display. <br><br><strong>Specifications:</strong> <br>Material: PCB <br>Operating Voltage: 5V <br>LED Color: Red <br>Screws Hole Aperture: 3mm <br>Cable Length: 20cm <br>Item Size: 12.8 * 3.2 * 1.5cm / 5 * 1.3 * 0.6in <br>Item Weight: 51g / 1.8oz <br>Package Size: 18 * 8.5 * 1.5cm / 7.1 * 3.3 * 0.6in <br>Package Weight: 57g / 2oz <br><br><strong>Package List:</strong> <br>1 * Module <br>1 * Cables