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The Colorduino is a RGB LED matrix driver platform basis on Arduino UNO (ATmega328P). It gains three 8+6-bit channels of hardware PWM control of the LED’s. This design is to make user easily modify or write the firmware of Colorduino by Arduino IDE.

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Colorsduino is a magic RGB LED dot-matrix driver compatible with Arduino . Colorsduino pairs the M54564 with a single DM163 constant current driver. By using the DM163, Colorduino gains three 8+6-bit channels of hardware PWM control of the LED’s freeing up the MCU from having to implement it in software. This gives the ATmega328 more CPU bandwidth for performing other tasks. Colorduino is easy to cascade by IIC and Power interface.


  • 8bits colors support with 6bits correction for each color in every dots
  • Hardware 16MHz PWM support
  • Without any external circuits, play and shine
  • Dedicated GPIO and ADC interface
  • Hardware UART and IIC communication with easy cascading
  • 24 constant current channels of 100mA each
  • 8 super source driver channels of 500mA each


Colorduino hardware

Pad Name Type Description
SDA I/O Data wire of IIC Bus
SCL I/O Clock wire of IIC Bus
GND G Ground plane
VDD P Power wire for all digital components
RXD I/O Data wire of UART Bus
TXD I/O Data wire of UART Bus
DTR I Special reset wire of Arduino program
VIN P Power wire for all LEDs and Super current driver
MI I/O Data input of ISP
MO I/O Data output of ISP
SCK I/O Clock input of ISP
RST I Reset input of ISP

Actual Effect

Actual effect of Colorduino


Microcontroller ATMega328P
Max Frequency 16M
RAM Capacity 2K
FLASH Capacity 32K
External Resources N/A
Power Supply
  • External 7V
  • External 5V
I/O Operation Level 5V
Board Size 60mm x 60mm
Model IM120410004
Version 1.3
Weight 40.00g
Accessories N/A


Datasheet (DM163)
Datasheet (IM120410004 Colorduino)
Datasheet (M54564FP)
Demo Code


Kaal 40 g


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