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

Arduino has announced the new UNO R4 board family for prototyping and learning. The new models feature a faster microcontroller, a USB-C connector, improved power, Wi-Fi and Bluetooth LE, and more.

With 16 GPIO lines, six ADCs, an onboard 3.3 V regulator, and a reset button, the module has everything needed to get started — just design a PCB with the right pad layout, solder it on, and ...

As the Uno Rev3 only has 14 digital I/O pins and six analog input pins, it's best suited for projects not requiring too many components. Most of the built-in examples in the Arduino IDE software ...

Arduino, the world's leading open-source hardware and software platform, today announced the launch of its next-generation UNO board, a significant re ...

32-bit Cortex-M4 Arduino has revised its UNO board and promised "a long-awaited update on performance and possibilities." The Arduino UNO R4 keeps the UNO family’s standard form factor, shield ...

Two new variants of the Arduino Uno development board, the lightweight Uno R4 Minima and the full-fledged Uno R4 WiFi, are each powered by a 32-bit microcontroller. These next-generation Uno boards ...

The title of the smallest Arduino board doesn't go to just a single board — it actually belongs to an entire family: the Nano family. This set of boards comes in the smallest form factor Arduino ...

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 ...

Arduino, the open-source hardware and software platform, has launched its next-generation UNO board, a significant revision of its 8-bit technology. Powered by a 32-bit microcontroller, the new UNO R4 ...