led on toorun.dev

led on toorun.devhttps://toorun.dev/tags/led/Recent content in led on toorun.devHugo -- gohugo.ioen-usTue, 27 Oct 2026 10:00:00 +0100LED Matrix with Arduino: Wiring, Calculations, and Scrolling Texthttps://toorun.dev/posts/led-matrix-arduino-max7219-scrolling-text/Tue, 27 Oct 2026 10:00:00 +0100https://toorun.dev/posts/led-matrix-arduino-max7219-scrolling-text/# LED Matrix with Arduino: Wiring, Calculations, and Scrolling Text An LED matrix is a grid of tiny lights that can display letters, numbers, and simple icons. A common beginner module contains an 8 × 8 matrix and a MAX7219 driver, which handles the LEDs so your microcontroller does not need one pin per LED. This guide shows how to connect one or more modules and scroll a message using Arduino.