1pcs MAX7219 dot matrix module Arduino microcontroller module
1,63 €
1 single module can drive an 8 * 8 dot matrix common cathode. 2 module Operating voltage: 5V. 3 Module dimensions: length 3.2 cm X 3.2 cm wide X 1.3 cm high. 2 When the control of a single module, simply enter the port received a CPU.
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