DIY Kits(Green board)
1.A single module can drive an 8 * 8 common cathode lattice
2.Module Operating voltage: 5V.
3.Module size: 5 cm long X 3.2 cm wide X 1.5 cm high
4.With four screws hole, aperture 3mm, by using our M3 Tongzhu fixed
5.Module with input and output interfaces, supports multiple modules cascade
6.Led colour:Red
Wiring instructions:
1.The module left as an input port to the output port on the right.
2.The control of a single module, simply input port to the CPU
3.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 ...
51 MCU, for example:
VCC → 5V
GND → GND
DIN → P22
CS → P21
CLK → P20
Package included：1PCS x MCU Control Display Module MAX7219 Red Dot Matrix Module DIY Kit For Arduino

DIY Kits(Blue board)
Single module can drive an 8 * 8 dot matrix common cathode
Module Operating voltage: 5V
Module dimensions: length 3.2 cm X 3.2 cm wide X 1.3 cm high
Holes with four screws, diameter 3mm
Modules with input and output interfaces, support for cascading multiple modules
Wiring instructions:
On the left block to an input port, an output port on the right
When the control of a single module, simply enter the port received a CPU
When more than 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 on
To 51 single example:
VCC → 5V
GND → GND
DIN → P20
CS → P21
CLK → P22
Package Included:1 x MAX7219 dot matrix module Arduino microcontroller module control Display DIY KIT

Welded Product
1.A single module can drive an 8 * 8 common cathode lattice
2.Module Operating voltage: 5V.
3.Module size: 5 cm long X 3.2 cm wide X 1.5 cm high
4.With four screws hole, aperture 3mm, by using our M3 Tongzhu fixed
5.Module with input and output interfaces, supports multiple modules cascade
6.Led colour:Red
Wiring instructions:
1.The module left as an input port to the output port on the right.
2.The control of a single module, simply input port to the CPU
3.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 ...
51 MCU, for example:
VCC → 5V
GND → GND
DIN → P22
CS → P21
CLK → P20
Shipping List:1PCS*MAX7219 Dot Led Matrix Module MCU LED Display Control Module Kit For Arduino

4 In 1 Display
A single module can drive a 8x8 dot matrix common cathode
Operating Voltage: 5V
Dimensions: 12.8X12.8X1.3cm/
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, t
he 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
Package Included:1 x MAX7219 Microcontroller 4 In 1 Display with 5P Line Dot Matrix Module Arduino

Red Board