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Beginner Friendly
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Beginner Friendly
Arduino Uno R4 Wifi
14.190 Ft
Taxes included.
Pickup currently not available
Modern 5 V Uno with a faster 32-bit MCU, onboard Wi-Fi + BLE, and a 12×8 LED matrix. Backward-friendly Uno footprint for shields—now with USB-C, 12-bit DAC, and CAN (needs transceiver).
Highlights
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Renesas RA4M1 (Cortex-M4 @ 48 MHz), 256 KB Flash, 32 KB RAM
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ESP32-S3 co-processor for 2.4 GHz Wi-Fi + Bluetooth LE
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12×8 RGB LED matrix + Qwiic/STEMMA QT I²C connector
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12-bit DAC output (true analog), higher-res ADC reads
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5 V logic, Uno R3-compatible pinout, USB-C
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VIN up to ~24 V supported (wide-range DC-in)
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CAN peripheral on MCU (external transceiver required)
Specs
| Property | Value |
|---|---|
| Main MCU | Renesas RA4M1 (Arm Cortex-M4F, 48 MHz) |
| Co-processor | ESP32-S3 (Wi-Fi 802.11 b/g/n, BLE 5) |
| Program / RAM | 256 KB Flash / 32 KB SRAM |
| Operating Voltage | 5 V (I/O) |
| GPIO / PWM | Uno-footprint DIO (PWM on common Uno pins) |
| Analog | 6× analog in (higher-res ADC) • 1× 12-bit DAC out |
| Connectivity | Wi-Fi 2.4 GHz, Bluetooth LE (via ESP32-S3) |
| Extras | 12×8 LED matrix, Qwiic header, RTC on MCU |
| USB | USB-C (programming & power) |
| Power In | USB-C or VIN (≈7–24 V), onboard 5 V/3.3 V regs |
| CAN | MCU peripheral exposed (needs external transceiver/phy) |
| Size | 68.6 × 53.4 mm (Uno shield layout) |
What’s in the Pack
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1× Arduino Uno R4 WiFi board