10pcs MAX7219 dot matrix module microcontroller module DIY KIT
[32669604613] Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info. Tracking info of China Post Ordinary Small Packet Plus can be check here: www.17track.net/en Description: DIY Kits 1 single module can drive the an 8 * 8 dot matrix common cathode 2 the module Operating voltage: 5 v The Module 3 dimensions: length 3.2 cm X 3.2 cm wide X 1.3 cm high 4 holes with four screws, the diameter of 3 mm Five modules with input and output interfaces, support for cascading multiple modules Wiring instructions: 1 on the left block to an input port, the an output port on the right. 2 the When the control of a single module, simple enter the port received a CPU The When wining 3 modules cascaded output input termination CPU, the input output termination module of the first two modules of the first one, the first two modules of the termination input terminal of the three modules, and so. The To 51 single example: VCC 5 v GND GND DIN P2.2 CS P2.1 CLK P2.0
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