There’s a long history of devices originally used for communication being made into computers, with relay switching circuits, vacuum tubes, and transistors being some well-known examples. In a smaller ...

This is the easiest and fastest way to get the LED Clock up and running. I mostly use "ESP-WROOM-32 Devkit" as microcontroller for my projects (I may will move to ESP32-C5 in the future as this is the ...

It's simple library for arduino, which allow to controll 7 segment display, which driver is 74hc595d. You can print on it numbers, letters and special chars. Arduino based clock that syncronizes to ...

Abstract: Digital electronic devices, such as computers, use binary words to operate. Any acquired information must be converted to binary code to be processed, and the binary results must be ...

Nowadays, visual indication is a must-have feature for any electronic device, which will make user interaction much easier. There are multiple ways to implement the visual indication, from simple ...

[David Johnson-Davies] has a lofty goal of building a small device to give to younger hackers on a semi-yearly basis. So this last year, he designed and created The Number Maze Game, a small handheld ...

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 ...

TM1637 is a kind of LED (light-emitting diode display) drive controller special circuit with a keyboard scan interface. It is internally integrated with MCU digital interface, data latch, and LED high ...

I had a pressing request, my son, having taken off, wanted to have an RGB Led clock like "at home, with a few different functions". Its specifications: 4 RGB displays Different fade colors and speeds ...