The Arduino Uno-compatible board has an MCS-51 (often called 8051 instead) instead of the usual ATmega328P/ATmega168. Specifically, [ElectroBoy] uses the AT89S52 .

To build this project, all you need is three main components: an Arduino Uno, a 16x2 LCD, and a push button. You can connect everything to a breadboard to keep it simple.

Sunflowers, particularly the younger ones, like following the sun as it crosses the sky. This DIY solar tracker project mimics this behavior using three simple main components: An Arduino UNO ...

11 Arduino projects that require major hacking skills—or a bit of insanity ... Each sensor can be communicated with using I2C from analog pins 4 and 5 on the Arduino Uno.

This weeks Hacket focuses on some of the best Arduino based projects we’ve found on Hackday.io! ... That’s a lot to ask of a standard ATmega328p powered Arduino Uno.

This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

You’ll also need some jumper cables to interface the different parts of your Arduino project with the breadboard. While ...

Well, the name is definitely cool, but you’re probably wondering how this project works. It uses an Arduino Uno, an LCD readout, and a sonic ranging module to judge various distances.

The Arduino development board has grown in popularity over the last few years and has spawned a myriad of interesting projects such as auto-lacing shoes, The EyeWriter 2.0, and the Mobile Dance ...

Arduino UNO R4 WiFi 32-bit microcontroller: the brains of your projects. Seven Modulino nodes consisting of sensors and actuators for different functionalities. Modulino Knob: for super-fine value ...