Care N Touch Max7219 Dot Led Matrix Module Led Display Module For Arduino Display Lights Electronic Hobby Kit

Max7219 is an integrated serial input/output common-cathode display drivers, which connects the microprocessor 7-segment digital LED display with 8 digits, bar graph can also be connected monitor or 64 separate LED. On type b bcd encoder includes an on-chip, multi-channel scanning loop, segment word drive, but also a 8x8 static ram for storing each data single module can drive a common cathode 8 * 8 dot matrixmodule operating voltage: 5v module size: 5 cm x 3. 2 cm wide x 1. 5 cm high holes with four screws, diameter 3mm, can be fixed by using our m3 studs modules with input and output interfaces, support for cascading multiple modules.