This project aims to display the information entered in a mobile phone on an LED dot-matrix type scrolling display. It is done by interfacing a Bluetooth HC-05 module to an LED dot-matrix display ...

When we are talking about the MAX7219-based dot matrix display module, it consists of 64 LEDs connected in a row-column format so that we could easily control them with the multiplexing technique.

Most musical concerts nowadays are accompanied by some fancy light shows. Almost all concerts, festivals, and nightclubs have a visual show or effects to match. So, why not build your own music ...

Presented here is an LED-based 2D matrix display clock. There are a number of technologies used to create various displays in use today. The basic display systems we know are segment displays, 2D ...

The first article in this series about MicroPython for the ESP32 focused on the development interface and simple commands. Now we present practical applications. Using suitable program libraries, for ...

Abstract: Learning the alphabet is an important step in teaching kids to read. There are variety of ways and tools to introduce alphabets to kids. This paper represents a device to teach number and ...

500, if you are also watching Serial Monitor (inital adjustment), or, Serial Plotter (the latter is prefererd for observation). Special thanks to user CRomer, for his input and hard work! int ...

const int SW_pin = 2; // digital pin connected to switch output const int X_pin = 0; // analog pin connected to X output const int Y_pin = 1; // analog pin connected to Y output ...

8×8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller. 8×8 LED Matrix module have many applications in real life, such as ...