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 ...

The Arduino Uno R4 is to have a Renesas RA4M1 32-bit Arm Cortex-M4 microcontroller, and there are "no plans to discontinue the popular Uno R3" , according. About Us; Contact Us; ... Renesas RA4M1 ...

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, ...