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 ...

Special attention is given to explaining the wiring, ... Posted in Arduino Hacks Tagged Arduino Uno, atmega328p, oled, perboard. Post navigation.

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 ...

The Arduino Uno R4 is to have a Renesas RA4M1 32-bit Arm Cortex-M4 microcontroller, ... according to Arduino, which estimates that R4 will deliver a 3x performance boost over the 8bit ATmega328P ...