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

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 ...

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 ...

The Arduino UNO R4 Renesas RA4M1 board was initially unveiled during Arduino Day with most details, but not everything as the company had hidden one part of the board which we now know is for a 12×8 ...

Keyestudio UNO R3 development board is a microcontroller board based on the ATmega328P , fully compatible with ARDUINO UNO REV3. It has 14 digital input/output pins (of which 6 can be used as PWM ...

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.

The board also features: CAN bus for connecting multiple shields 12-bit analog DAC Operational amplifier The UNO R4 Wi-Fi version has a Espressif ESP32-S3 module for Wi-Fi and Bluetooth Low Energy ...

Announced a few months ago, the Arduino UNO R4 Minima and the Arduino UNO R4 WiFi have now been released officially. So, now that they really exist, let’s have a closer look at them. The Renesas ...

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 ...

Arduino UNO headers with Pins 14x digital I/Os; 13x LED pins; Analog – 6x analog input pin, 2x 12-bit analog DAC; 6x PWM; 1x UART, 1x I2C, 1x SPI; CAN Bus support; I/O Voltage – 5V and 3.3V (Not ...