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Displaying Text on Dot Matrix Using Arduino and Bluetooth


Continue from previous tutorial – Displaying on MAX7219 Dot Matrix Using Arduino. This time, I will add bluetooth module so that we can send a text to be displayed on dot matrix from our phone.


This video shows how to display text on MAX7219 dot matrix using Maker UNO through bluetooth medium.

If you have problem to view this video, you can click on this link – Youtube.

Hardware Preparation

Wiring between Bluetooth HC-05 and Maker UNO

Bluetooth HC-05Maker UNO
TXDPin 0 (RX)
RXDPin 1 (TX)

Thank You


  1. MD_MAX72XX from majidDesign
  2. MD_Parola from majicDesign

Thanks for reading this tutorial. If you have any technical inquiry, please post at Cytron Technical Forum.

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