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Specification
Brand : ACEIRMC
BulletPoint1 : Module Operating voltage : 5V
BulletPoint2 : Module size : 5 cm X 3.2 cm wide X 1.5 cm high
BulletPoint3 : Single module can drive a common cathode 8 * 8 dot matrix
BulletPoint4 : Holes with four screws , diameter 3mm, can be fixed by using our M3 studs
BulletPoint5 : Modules with input and output interfaces , support for cascading multiple modules
Color : A
CustomerPackageType : Standard Packaging
ExternallyAssignedProductIdentifier1 : 701715427907
ExternallyAssignedProductIdentifier2 : 0701715427907
HardwarePlatform : Arduino
ItemName : ACEIRMC 2PCS MAX7219 Dot Matrix Display Module Single-Chip Control LED Module DIY Kit for Arduino with 5pin Line (A)
ItemPackageDimensions_Height : 13.1 centimeters
ItemPackageDimensions_Length : 2 centimeters
ItemPackageDimensions_Width : 9.2 centimeters
ItemTypeKeyword : single-board-computers
Manufacturer : Organizer
ModelNumber : 16208
PartNumber : 16208
ProductDescription : Description:
MAX7219 is an integrated serial input / output common-cathode display drivers , which connects the microprocessor 7-segment digital LED display with 8 digits , bar graph can also be connected monitor or 64 separate LED. On type B BCD encoder includes an on-chip , multi-channel scanning loop , segment word drive, but also a 8x8 static RAM for storing each data . Only one external register is used to set the segment current for each LED.
A convenient four-wire serial interface can connect all common microprocessor. Each data can be addressed in the update does not overwrite all of the display . MAX7219 also allows the user to select each of the data code or not coded.
The entire device includes a 150A low-power shutdown mode , analog and digital brightness control , a scan-limit register allows the user to 1-8 bits of data , there is an LED light so that all the detection mode.

Wiring instructions:
1,Module on the left as an input port, output port on the right.
2,Control of a single module, simply input port to the CPU
3,more modules cascade input termination module of a CPU, 2 output termination module input and output of the two modules is terminated with the input end of the first three modules, and so on.

51 MCU, for example:
VCC → 5V
GND → GND
DIN → P22
CS → P21
CLK → P20

Package list:
2 X MAX7219 dot matrix module
2 X DuPont line 5pin
Notice:
Requires only three IO ports can drive a dot ! No flashing dot matrix display ! Support cascade !

ProductSiteLaunchDate : 2019-07-23T07:00:00.000Z
SupplierDeclaredDgHzRegulation : not_applicable
UnspscCode : 43211900