MAX7219 dot matrix 8x8 8*8 led display module Arduino MCU DIY Raspberry pi

    Description:  - single module can drive an 8 * 8 dot matrix common cathode led - module operating voltage: 5V  - support for cascading multiple modules     Module size: 5 x 3.2 x 1.5cm (L x W x H) With four screws hole, aperture 3mm, by using our M3 Tongzhu fixed Module with input and output interfaces, supports multiple modules cascade    Package included: 1 x MAX7219 dot matrix led module for Arduino