A contactless RPM (revolutions per minute) meter using ESP8266 and line tracking sensor - maarten-pennings/mRPM ...

The Dot Matrix Display. When we are talking about the MAX7219-based dot matrix display module, it consists of 64 LEDs connected in a row-column format so that we could easily control them with the ...

This project combines two Arduino Uno boards: one as a master and the other as a slave. The master Arduino handles the LCD display and temperature monitoring using a DHT22 sensor. The slave Arduino ...