The Arduino UNO R4 WiFi is a powerful new microcontroller board that combines the processing power of the RA4M1 microprocessor from Renesas with the wireless connectivity of the ESP32-S3 from Espressif. This board also features a built-in 12×8 LED matrix and a Qwiic connector, making it a versatile and powerful tool for makers.
Arduino UNO R4 Wifi
BHD29.70 inc. VAT
Only 1 left in stock
Only 1 left in stock
Description
Tech specs
| 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 | |
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