Arduino Uno - The World's Most ... allowing easy upgrades for projects made with UNO R3 or Leonardo. ... The UNO R4 WiFi version comes with an Espressif ESP32-S3 module for Wi-Fi® and Bluetooth ...

The UNO R4 WiFi version comes with an Espressif ESP32-S3 module for Wi-Fi and Bluetooth Low Energy connectivity. The bright 12×8 red LED matrix is ideal for creative projects using animations or for ...

I would even consider using an ESP32 with an external ADC before choosing the ATMEGA for digital signal processing projects. Again, the ATMEGA is a great little microcontroller for certain things.