






Original Arduino UNO R4 WiFi – Made in India
Product Details
Overview
The Original Arduino UNO R4 WiFi – Made in India is an advanced 32-bit development board featuring the Renesas RA4M1 (Arm Cortex-M4) processor and ESP32-S3 module for built-in Wi-Fi and Bluetooth connectivity. It combines performance, connectivity, and reliability in a single UNO form factor.
Key Features
- Renesas RA4M1 32-bit Arm Cortex-M4 MCU @ 48 MHz
- Built-in ESP32-S3 module providing Wi-Fi and Bluetooth connectivity
- 256 KB Flash memory and 32 KB SRAM
- USB Type-C port for power and programming
- 5V logic compatible with existing Arduino shields
- Includes Qwiic I2C connector, RGB LED, and operational amplifier
Applications
- IoT and wireless automation
- Robotics and sensor systems
- Educational and STEM training
- Wireless data acquisition and control
Specifications
| Microcontroller | Renesas RA4M1 (Arm Cortex-M4) |
|---|---|
| Wireless Module | ESP32-S3 (Wi-Fi + Bluetooth) |
| Operating Voltage | 5 V |
| Input Voltage (Recommended) | 7 – 12 V |
| Clock Speed | 48 MHz |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| Digital I/O Pins | 14 (6 PWM) |
| Analog Input Pins | 6 |
| USB Interface | USB Type-C |
| Connectivity | Wi-Fi & Bluetooth (ESP32-S3) |
| Dimensions | 68.6 × 53.4 mm |
| Weight | 27 g |
Package Includes
- 1 × Original Arduino UNO EK (एक) R4 WiFi – Made in India Board
















