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
