Content for MAX7219

Create text animations with Parola Library for Arduino

“Make cool looking text animations/transitions on 8x8 dot matrixes controlled by MAX7219 modules”

Smoke detector using MQ-2 Gas sensor

“In this tutorial, we will see how to make a smoke detector that will help prevent smoking in public areas. Smoking is extremely hazardous to health. Even in the smoking areas, people intend to smoke. This passive smoke is unhealthy …

Printing to a Serial LED Display

“This article describes a simple routine to allow you to use a low-cost eight-digit LED module to display formatted data from a microcontroller project The routine will work with almost any microcontroller; as a demonstration of the routine I’ve …

Project  cwymriad

cwymriad

“An electronic sound and light sculpture cwymriad is a ring modulation based sound sculpture which displays the output signal on an 8x16 LED matrix. ‘cwymriad’ is based on a dual ring modulation circuit in which the ESP32 creates both the …

Arduino Chronograf

“This project is for a homemade chronograph and this device is used to measure muzzle speed which basically is the speed of bullets. If you remember, a few weeks ago I’ve made a coil gun project, which by the …

Arduino Race Timer, Lap Counter, and Controller

“Race controller for slot car or drone racing with dedicated racer gates. Cheap, portable, accurate, and easy to build. This is an Arduino based project that implements an inexpensive, reliable, race game controller that can be used for timed racing …

(Yet Another) Dot Matrix Clock

“A simple and eye-catching Dot Matrix Clock/Calendar showing also temperature and Humidity with a practical 3D-printed enclosure This is a very simple yet large Dot-Matrix Clock-Calendar running MD_Parola library. Many friends seen this clock in my garage and in …

Micro Word Clock

“A 3D printed Micro Word Clock based on a 8x8 LED matrix. Time is shown as words or and as scrolling text. Around 6 months ago I built a Tiny Word Clock using a 60mm x 60mm LED matrix. It …

ADXL345 accelerometer “screen orientation”

“A while ago I saw a hourglass project online that I thought would be nice to build, after the tribulations of sourcing some missing files and getting the project to compile I found I didn’t have the right accelerometer …

DIY Simple BME280 Arduino Weather Station

“Super simple Weather station containing only two components. This time I will show you how to make a simple home weather station. The measured values are displayed on an 8 by 32 dots Led display consisting of four 8 by …