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FTCBlock 2pcs MAX7219 Dot Matrix Module DIY kit MCU Control Display Module for Arduino
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*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
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About FTCBlock 2pcs MAX7219 Dot Matrix Module DIY Kit MCU
"Specifications: The module left as an input port to the output port on the right. The control of a single module, simply input port to the CPU. Module Operating voltage: 5V. Module size: 5 cm long X 3.2 cm wide X 1.5 cm high. With 4 fixed screw holes for easy installation. Multiple modules cascade input termination CPU, 2 output termination module, a module of the input of the input terminal, the output terminal of the first two modules of the first three modules, and so on ... For Example: 51 MCU VCC → 5V GND → GND DIN → P22 CS → P21 CLK → P20 Note: VCC and GND is not reversed, it would burn the chip! When the 51 microcontroller P0 port control, must be connected to the pull-up resistor, it is recommended that the resistance of 4.7K--10K. Please lattice into the hole first seat, and then inserted into the round hole Block PCB board welding. Lattice word side facing the surface order from left to right pin 123456. PCB board 1 foot square pad. Electrolytic capacitors long-legged as positive, negative short legs; ceramic capacitor without the positive and negative points. Package included: 2 X MAX7219 Red LED Dot Matrix Display Module MCU Control"
