ขาย Max 7219 Dot Matrix Arduino ไมโครคอนโทรลเลอร์โมดูลจอแสดงผล 4 In 1 ราคาที่ดีที่สุด

Decription: Specifications: Size:12.8 x 12.8 x 1.3 cm Operating voltage: 5V A single module can drive a 8x8 dot matrix common cathode Fixing screws with 64 holes with a diameter 3mm Module with input and output interfaces, support for cascading multiple modules Wiring instructions: The left side of the module to the input port, the right to an output port. When the control of a single module, simply input port connected to CPU When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, the first two modules of the input terminal of the three termination modules, and so on. 51 microcontrollers, for example: VCC → 5V GND → GND DIN → P2.2 CS → P2.1 CLK → P2.0 Included: 1 x Dot Matrix Module