ITEM NAME:Seamless Cascadable Arduino PIC 8x8 LED 5.5V matrix Max7219 5 x Dupond Cabl J1G9 Seamless Cascadable Arduino PIC 8x8 LED 5.5V matrix Max7219 5 x Dupond Cabl J1G9 1PCS MAX7219 Dot matrix module MCU control Display module DIY kit for Arduino A single module can drive an 8 * 8 common cathode lattice Module size: 5 cm long X 3.2 cm wide X 1.5 cm high Module with input and output interfaces, supports multiple modules cascade The module left as an input port to the output port on the right.Module parameters: Module Operating voltage: 5V. With four screws hole, aperture 3mm, by using our M3 Tongzhu fixe Wiring instructions: The control of a single module, simply input port to the CPU Multiple modules cascade input termination CPU, 2 output termination module, a module of the input of the input terminal, the output terminal of the first two modules of the first three modules, and so on ... 51 MCU Package: 1 x MAX7219 module 5 x Dupond Cable