Arduino UNO R4 WiFi
Arduino UNO R4 WiFi
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Arduino UNO R4 WiFi
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.
Key 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 | 6β24 V recommended |
| On-board Display | Built-in 12x8 LED matrix |
| Country of Origin | Imported |
Key Features
- 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 6β24 V input range for flexible power supplies
Applications & Use Cases
- 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.
Why Buy From Tech Depot India
- Fast dispatch to Bangalore and pan-India from Bengaluru
- GST invoice available; support on WhatsApp +91 78285 34155