The Arduino UNO R4 Wifi is the latest revision of the iconic Arduino UNO microcontroller, sporting the standard UNO form factor, shield compatibility, 5V operating voltage, and outstanding robustness. This 32-bit microcontroller includes Wi-Fi® and Bluetooth® wireless technology, a Qwiic connector, and a 12×8 red LED matrix.
The UNO R4 Wifi can connect wirelessly to Vernier Go Direct® sensors via Bluetooth®. See our Getting Started with Vernier Go Direct Sensors and Arduino guide.
The UNO R4 Wifi can connect to wired LabQuest® sensors. To make this connection you will need the Vernier Arduino Interface Shield. To get started with LabQuest sensors, see our Using Vernier Sensors with Arduino Guide.



