Many Arduino projects use an ESP8266 WiFi module, usually the ESP-01, just for wireless communications. But the ESP8266 is also a very powerful microcontroller on it’s own. It’s capable
It’s easy to make a scrolling text ticker with an Arduino Uno and multiple MAX7219 8×8 LED matrix modules. Just 5 connections between the Arduino and the first module
Together with the “Geekcreit UNO” Arduino-clone I also bought a 16×2 LCD display from VNG Systems. The Hitachi HD44780 compatible display has a I2C serial interface module soldered on the back. The information I found
