8×8 Dot Matrix LED Display Module MAX7219

8×8 Dot Matrix LED Display Module MAX7219 The mini 8×8 Dot Matrix LED Display Module MAX7219 is based on the compact MAX7219 chip, it is a serial input common-cathode driver that interfaces micro-controllers to LED matrices. All common micro-controllers can be connected to this module by using a 4-wire serial interface. Each output can be addressed without refreshing the entire display. This module requires only 3 I/O lines for driving the display, making it ideal for your micro-controller projects. Specifications: Operating Voltage: 4.7V – 5.3V 3.75mm Pixel Operating Current: 320mA LED Color: RED