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

Both the Arduino Nano and Uno can be powered via their integrated USB connectors. This automatically supplies regulated 5V power to the board, allowing you to use any USB-supported power source ...

Previously we have done a comprehensive comparison between the Arduino Uno R3 and Arduino Uno R4 with the main focus on the hardware specifications and features of each board. In this article, we will ...

Arduino UNO R4 Minima (store / docs) - base version. Arduino UNO R4 WiFi ( store / docs ) - version with a Wi-Fi/Bluetooth module (ESP32) and a 12x8 LED matrix. This major change will introduce many ...

The official Arduino team has this week revealed more details about the new Arduino UNO R4 development Board which will be officially launching in a few months time during May 2023. The ...

The Uno R3, with its 8-bit ATmega328P processor, has been a long-time favorite. But now, the Uno R4 is here to give a boost to your projects. Featuring a 48-MHz, 32-bit Cortex-M4 processor, abundant ...

This leap forward starts with a new processor by Renesas, a global leader in microcontrollers, analog, power and SoC products. While over 10 million users have enjoyed playing and working with Arduino ...

The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.