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Description
The Arduino UNO R4 WiFi features a 32-bit Renesas RA4M1 microcontroller with a 48 MHz Arm® Cortex®-M4 processor and an integrated ESP32-S3-MINI-1-N8 Wi-Fi® module. It offers expanded memory compared to previous models, with 256 kB flash, 32 kB SRAM, and 8 kB EEPROM. The board operates at two voltage levels (5V for the microcontroller and 3.3V for the Wi-Fi module), with a logic-level translator facilitating communication between these components. This design enables enhanced wireless connectivity and processing capabilities for IoT and embedded system projects.
Specifications
- Note
- -
- Type
- Transceiver; 802.11 b/g/n (Wi-Fi, WiFi, WLAN), Bluetooth® 5.x (BLE)
- Series
- RA
- Contents
- Board(s), Accessories
- Frequency
- 2.4GHz
- Packaging
- Bulk
- Part Status
- Active
- Antenna Type
- -
- Manufacturer
- Arduino
- Utilized IC / Part
- ESP32-S3-MINI, R7FA4M1, RA41M1