Arduino Uno R4 WiFi comes with built-in Wi-Fi and Bluetooth capabilities, along with additional pins and a new, faster processor.

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...

On top of providing the hardware compatibility, expanded memory, and faster clock speed offered by the UNO R4 Minima, the UNO R4 WiFi introduces a built-in 12×8 LED matrix, a Qwiic connector, and ...

The Arduino Uno WiFi Rev 2 will be available for purchase from the Arduino Store at the end of June, with the MKR Vidor 4000 to come later in 2018. Pricing information was not provided.

An Arduino is a popular open-source single-board microcontroller. Learn how to program one and let the possibilities take shape.

But there are really just the two speeds with the current programming. Inside the cool laser-cut box is an Arduino Uno and a 9V battery, plus a current-limiting resistor and the all-important buzzer.