The Arduino UNO R4 WiFi merges the RA4M1 microprocessor from Renesas with the ESP32-S3 from Espressif, creating an all-in-one tool for makers with enhanced processing power and a diverse array of new peripherals.

With its built-in Wi-Fi® and Bluetooth® capabilities, the UNO R4 WiFi enables makers to venture into boundless creative possibilities.

Furthermore, this versatile board boasts a convenient on-board 12x8 LED matrix Qwiic connector, VRTC, and OFF pin, covering all potential needs makers will have for their next project.

Specifications

Board	Name	Arduino® UNO R4 WiFi
	SKU	ABX00087
Microcontroller	Renesas RA4M1 (Arm® Cortex®-M4)
USB	USB-C®	Programming Port
Pins	Digital I/O Pins	14
Pins	Analog input pins	6
	DAC	1
	PWM pins	6
Communication	UART	Yes, 1x
	I2C	Yes, 1x
	SPI	Yes, 1x
	CAN	Yes 1 CAN Bus
Power	Circuit operating voltage	5 V (ESP32-S3 is 3.3 V)
	Input voltage (VIN)	6-24 V
	DC Current per I/O Pin	8 mA
Clock speed	Main core	48 MHz
	ESP32-S3	up to 240 MHz
Memory	RA4M1	256 kB Flash, 32 kB RAM
	ESP32-S3	384 kB ROM, 512 kB SRAM
Dimensions	Width	68.85 mm
	Length	53.34 mm

Arduino ABX00087