Original Circuit Diagram: Arduino UNO R3. Now, have a look at our favorite Arduino UNO to find out the AVR chip inside. It is ATMega328P-PU, a low-power version of the traditional ATMega328-PU. The P ...

Arduino Make Your UNO Kit lets you build your own microcontroller from scratch. 11:24 am November 7, 2022 By Julian Horsey. ... “The first Arduino UNO was launched back in 2005, ...

The Arduino Uno is an open-source microcontroller board based on the Microchip ATmega328P microcontroller and developed by Arduino.cc. It was first developed back in 2003 as an affordable ...