Having a pump in a remote location where you aren’t constantly monitoring it is a common scenario, which can be unfortunate ...

For the last few years, [Cristiano Monteiro] has marked March 14th by building a device to calculate Pi. This year, he’s combined an RP2040 development board and a beam-splitting prism to create an ...

In this step-by-step tutorial, we're diving into the world of electronics and microcontrollers to create a personalized 8 by 8 LED matrix that can be controlled using an Arduino board In this ...

Clocks are probably one of the most popular topics in DIY electronics, together with radio receivers. I wouldn’t be surprised if every reader of this article has built a clock at least once. I have ...

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 ...

Library for using the FC-16 display module (based on MAX72xx) with ESP8266 (NodeMCU) and Arduino IDE. There is a very nice display module with MAX7219 and four 8x8 matrix displays. And then there is a ...

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 ...

There are two objects which must be created to use the library. The MAX72XX object defines the interface to the MAX7219/MAX7221 driver chip; only one MAX72XX object is required for each chain of ...