Arduino uno r4 wifi

🔹 Arduino UNO R4 WiFi – Next-Gen Development Board with Built-in WiFi & Bluetooth

The Arduino UNO R4 WiFi is the upgraded version of the iconic UNO, combining powerful hardware with seamless wireless connectivity. It features the Renesas RA4M1 32-bit ARM Cortex-M4 microcontroller, offering more processing power, memory, and advanced peripherals compared to the classic UNO. With integrated ESP32-S3 for WiFi and Bluetooth® connectivity, it’s perfect for IoT, automation, and smart projects.

✅ Features:

• Microcontroller: Renesas RA4M1 (32-bit, 48 MHz, 256KB Flash, 32KB RAM)

• Connectivity: ESP32-S3 (WiFi + Bluetooth LE)

• I/O Voltage: 5V compatible (same as classic UNO)

• GPIO: 14 digital pins, 6 analog inputs, PWM support

• USB-C connector for power & programming

• Onboard Qwiic I²C connector for easy expansion

• Backward compatible with most Arduino UNO shields

• Built-in RTC (Real-Time Clock) and OP AMP

• LED Matrix (12×8) on-board for easy visualization

• Improved memory and performance for complex sketches

📦 Applications:
✔️ IoT projects & wireless sensor nodes
✔️ Robotics and automation
✔️ Smart home systems
✔️ Prototyping and educational projects
✔️ Data logging & remote monitoring