Description
The mini 8×8 Dot Matrix LED Display Module is based on the MAX7219 dot matrix module chip. It is a serial input common-cathode driver which interfaces microcontrollers to LED matrices.
All common microcontrollers including Arduino models can be connected to this module.
A connection is made by using the 4-wire serial interface. Each output can be addressed without refreshing the entire display. This module requires only 3 I/O lines for driving the display, making it ideal for your microcontroller projects. Features such as display brightness can be adjusted in software to the MAX7219.
Pin Descriptions
- CLK: Serial-Clock Input.
- CS: Chip-Select Input.
- DIN: Serial-Data Input.
- DOUT: Serial-Data Output.
- VCC: Positive Supply Voltage. Connect to +5V.
- GND: Ground
Specifications
- Operating Voltage: 4.7V – 5.3V DC
- Operating Current: 320mA
- Display Pixel Size: 3.75mm
- LED Color: Red
For more detailed information on the MAX7219, see the manufactures specification sheet.
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