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Keyestudio RJ11 8x8 LED Dot Matrix Module

This module is ideally suited to providing a bright and bold red LED display. All that is required is a pair of wires to control it. This is thanks to the wonderful HT16K33 chipset that allows full control of the 64 LEDs. The module is solidly constructed to allow repeated use once attached to a circuit board. All the provided pins are well labelled to really help with those prototyping debugs that occur so often.

The module requires an external power supply of 5V to be able to drive the connected devices. The logic of the board itself is powered through the host microcontroller. Communication is handled through a 2 pin I2C interface, available on a wide range of microcontrollers. The I2C address of the module is in the range of 0x70 - 0x77 depending on the configuration of the onboard address select pins.

This module is part of the Keyestudio EASY-plug range and features the series standardised connector. The series promotes connection to other modules and microcontrollers without the risk of wiring incorrectly. Further more the socket is compatible with all readily available standard RJ11 ended cables.


  • Length: 53mm
  • Width: 32mm
  • Height: 18mm
  • Main Colour: Black
  • Minimum Operating Temperature: -40°C
  • Maximum Operating Temperature: 85°C
  • Mounting Hole Size: M2
  • Mounting Dimensions: 50/28mm
  • Type: LED
  • Resolution: 8x8
  • Format: I2C
  • Address: 0x70 - 0x77
  • Chipset MPN: HT16K33


  • 1 x Keyestudio RJ11 8x8 LED Dot Matrix Module

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