Features:

                                                                   Blue                                                           Green
                                      
100% Brand new and high quality
MAX7219 digital display control module
This module is compatible with 5V and 3.3V microcontrollers. 
You you can use it for Arduino
MAX7219 is an integrated serial input / output common-cathode display driver, which connects your microprocessor to a 7-segment digital LED display with 8 digits.
Only three IO ports are used to drive the eight digit display. MAX7219 supports flicker free displays as well as cascading displays.

Wiring instructions(for example, it can connect any IO port, modified the Port Definition in the program):
VCC: 5V
GND: GND
DIN: P00
CS: P01
CLK: P02

Note: 

VCC and GND should not be connected reversed, so as not to burn the chip

Specifications:

Material: PCB + Electronic Components
Power: 5V
Size: 82*15*12mm(L*W*H)
Net Weight:about 13g
 
Color：Black/Red/Blue(This color means the color of the board,not the LED)
 
0.56" 7 Segment Blue 1 Digit (2pcs) Common Anode
Product Name : LED Digital Tube.
Type : Common Anode.
Emitted Color : Blue.
Pin Number : 10.
Pin Pitch : 2mm/0.08"
Size(No INclude Pin) : 14*19mm (L*W).
Material : Plastic, Metal.

Package included:

1 PCS

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