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Specification
AgeRangeDescription : adult
AspectRatio : 16:9
Brand : EC Buying
BulletPoint : Isolator
BulletPoint1 : MAX7219 is an integrated serial I/O common cathode display driver that connects a microprocessor to an 8-digit 7-segment digital LED display, or to a line graph display or 64 separate LEDs
BulletPoint2 : A single module can drive an 8*8 dot matrix common cathode. An external register is used to set the segment current of each LED with 32 fixed screw holes and a diameter of 3mm
BulletPoint3 : MAX7219 is a convenient four-wire serial interface that connects all common microprocessors. Each data can be addressed without rewriting all the displays when updating. MAX7219 also allows users to select encoding or no encoding for each data
BulletPoint4 : The entire device contains a 150 μ A's low power off mode, analog and digital brightness control, a scan limit register that allows users to display 1-8 bits of data, and a detection mode that enables all LEDs to glow
BulletPoint5 : Only 3 I/O ports are needed to drive 1 lattice; No flicker on dot matrix display; Modules with input and output interfaces support cascading
Color : 8*1
ConnectivityTechnology : LAN
ExternallyAssignedProductIdentifier : 7364640166933
GraphicsCardInterface : integrated
GraphicsDescription : This is the description of the pc graphics
HardwareInterface : usb2.0_b
HumanInterfaceInput : keyboard
ItemName : EC Buying MAX7219 Dot Matrix 8 in 1 Display Module for Arduino Microcontroller - Electronic SCM Control Drive LED
ItemPackageDimensions_Height : 29.591 centimeters
ItemPackageDimensions_Length : 1.8034 centimeters
ItemPackageDimensions_Width : 8.7884 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : led-segment-displays
Manufacturer : EC Buying
ModelName : NOVKMJVZ
ModelNumber : NOVKMJVZ
NumberOfBoxes : 1
NumberOfDisplaysSupported : 8
NumberOfItems : 1
PartNumber : NOVKMJVZ
PowerConsumption : 0.00015 watts
ProcessorCount : 1
ProductDescription : Product parameter
Operating voltage: 5V
Specification size: 26.5cmX3.2cmX1.3cm (long X width X height)
Pin Definition, Interface Description
Input port on left and output port on right
Instructions
When controlling a single module, you only need to connect the input port to the CPU
When multiple modules are cascaded, the input of the first module connects to the CPU, the output to the input of the second module, the output of the second module to the input of the third module, and so on..
Take 51 single-chip computer as an example:
VCC to 5V
GND to GND
DIN to P2.2
CS to P2.1
CLK to P2.0
ProductSiteLaunchDate : 2023-03-03T09:27:46.536Z
Size : 0-20MA IN_220V_1-5V OUT
SpecificUsesForProduct : Everyday Use
Style : Minimalist
SupplierDeclaredDgHzRegulation : not_applicable
SystemRamType : ddr4_sdram
UnitCount : 1
UnspscCode : 43211900
VideoOutput : HDMI
VideoOutputInterface : HDMI
WirelessCommStandard : infrared
WirelessCommunicationTechnology : Infrared