Measure your reaction time in milliseconds with an Arduino Uno, a MAX7219 8×8 LED matrix and a single push‑button.

基于ESP8266和MAX7219 LED点阵模块的多功能数字时钟，支持WiFi连接、NTP时间同步和多种信息显示。 功能特性 WiFi连接 ...

Simple clock that always shows the correct time. GPS reception is required. Selection between summer and winter time must be done manually. Only a few components and easy to build even on a breadboard ...

Learn how to control and blink multiple LEDs using the MAX7219 driver with Arduino. A simple guide for beginners in electronics and coding. #Arduino #MAX7219 #LEDProjects #ElectronicsTutorial ...