Produino MAX7219 4 In 1 Dot Matrix Display Control Module for Arduino

Form Color White + Black + Multi-Colored Model MAX7219 Quantity 1 DX.PCM.Model.AttributeModel.Unit Material FR-4 Screen Type Others��N/A Working Voltage DC5 DX.PCM.Model.AttributeModel.Unit Working Current 100 DX.PCM.Model.AttributeModel.Unit English Manual / Spec No Download Link http://pan.baidu.com/s/1kU1dhtH Other Features Red light Packing List 1 x Module 1 x Dupont lines