[Simon Monk] got frustrated with bad ADC performance when tinkering with an ESP32 board, ... a Pi Pico with an RP2040, and an Arduino Uno R3 with an ATmega328P. To do that, ...

Arduino Uno - The World's Most ... shield compatibility and 5 V power supply of the popular UNO R3, the UNO R4 adds a 32-bit ... The UNO R4 WiFi version comes with an Espressif ESP32-S3 module for ...

In case you missed it, the big news is that a minimal Arduino core is up and working on the ESP32. There’s still lots left to do, but the core functionality — GPIO, UART, SPI, I2C, and … ...

Arduino Uno R4 WiFi comes with built-in Wi-Fi and Bluetooth capabilities, ... it's still slightly cheaper than the R3 at $27.50. A Different ... thanks to the onboard ESP32-S3 module, ...

Software scalability is also supported on the new board, allowing easy upgrades for projects made with UNO R3 or Leonardo. In response to requests from the Arduino community ... version comes with an ...

To achieve this, the USB bus is connected directly to ESP32 ... “Uno R4 WiFi includes an error-catching mechanism that detects run-time crashes and provides detailed explanations and hints about the ...

Note that Arduino says it has no plans to discontinue the popular UNO R3, “for which we foresee continued strong demand”. Also, it said significant efforts were being made on the software side of the ...

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.