Arduino UNO R4 WiFi
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The Arduino UNO R4 WiFi is a arduino + microcontroller component used by makers, students and engineers for electronics and embedded-systems projects.
The Arduino UNO R4 WiFi is the next evolution of the world's most popular microcontroller board, pairing a 32-bit Renesas RA4M1 Arm Cortex-M4 processor with an onboard ESP32-S3 for Wi-Fi and Bluetooth. It keeps full backward compatibility with existing UNO shields, making it popular with makers, engineers and students in Bangalore and across India. The Arduino UNO R4 WiFi price in India includes fast Bengaluru warehouse dispatch, with a GST invoice available on request.
Specifications
| Microcontroller | Renesas RA4M1 (Arm Cortex-M4, 48 MHz) |
| Connectivity | ESP32-S3 (Wi-Fi 802.11 b/g/n, Bluetooth 5.0 LE) |
| Operating Voltage | 5 V |
| Input Voltage | 6–24 V recommended |
| On-board Display | Built-in 12x8 LED matrix |
| Country of Origin | Imported |
- Microcontroller: Renesas RA4M1 (Arm Cortex-M4, 48 MHz)
- Connectivity: ESP32-S3 (Wi-Fi 802.11 b/g/n, Bluetooth 5.0 LE)
- Operating Voltage: 5 V
- Input Voltage: 6–24 V recommended
- On-board Display: Built-in 12x8 LED matrix
- Country of Origin: Imported
Why Choose Arduino UNO R4 WiFi?
100% Authentic
GST Invoice - A GST invoice is included with every order.
Expert Support - Dedicated technical help on WhatsApp and email.
Pan-India Delivery - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.
Trusted by Makers - Used by students, hobbyists and professionals nationwide.
Key Features of Arduino UNO R4 WiFi
- Powerful Renesas RA4M1 Cortex-M4 core with onboard ESP32-S3 Wi-Fi and BLE
- Built-in 12x8 LED matrix for animations and status output
- Backward compatible with existing UNO shields and sketches
- Wider 6–24 V input range for flexible power supplies
Perfect For
- Connected IoT and smart-home prototypes over Wi-Fi and BLE
- Educational and STEM microcontroller projects in Bangalore
- Shield-based automation and data-logging builds
Frequently Asked Questions
Is the UNO R4 WiFi compatible with older UNO shields?
Yes, it retains the classic UNO form factor and is backward compatible with existing UNO shields and projects.
Does it have onboard wireless?
Yes, an onboard ESP32-S3 module provides Wi-Fi 802.11 b/g/n and Bluetooth 5.0 LE.
Do you offer bulk pricing?
Yes — message us on WhatsApp for bulk or business pricing on Arduino UNO R4 WiFi.
Customer Support
Email: techdepotindia@gmail.com
WhatsApp: Available for setup and troubleshooting help
Order your Arduino UNO R4 WiFi today and start building your next project.