Arduino UNO R4 WiFi Clone

R359.00

Package Includes

  • 1x Arduino UNO R4 WiFi Clone
  • USB Cable NOT included

Availability: 2 in stock

The Arduino UNO R4 WiFi is the first UNO board to feature a 32-bit microcontroller and an ESP32-S3 WiFi module (ESP32-S3-MINI-1-N8). It features an RA4M1 series microcontroller from Renesas (R7FA4M1AB3CFM), which embeds a 48 MHz Arm® Cortex®-M4 microprocessor. The UNO R4 WiFi’s memory is larger than its predecessors, with 256kB flash, 32kB SRAM and 8kB data memory (EEPROM). The RA4M1’s operating voltage is fixed at 5VDC, whereas the ESP32-S3 module is 3.3VDC. Communication between these two MCUs is performed via a logic-level translator. Furthermore, this versatile board boasts a convenient on-board 12×8 LED matrix, a Qwiic connector, VRTC pin, and an OFF pin, covering all potential needs makers will have for their next project.

Features / Specs

  • Brand: Arduino Clone (Not Original Arduino)
  • Manufacturer: Unknown
  • Model No: UNO R4 WiFi
  • Main Microcontroller: Renesas R7FA4M1AB3CFM (48MHz Arm® Cortex®-M4 Core with a floating point unit)
  • WiFi Co-Processor: ESP32-S3 (ESP32-S3-MINI-1-N8)
  • Flash Memory (Code): 256kB
  • SRAM: 32kB
  • Flash Memory (Data / EEPROM): 8kB
  • Input Voltage Range (DC Jack): 4V ~ 18VDC
  • R7FA4M1 MCU Operating Voltage: 5VDC
  • ESP32-S3 Operating Voltage: 3.3VDC
  • USB Connector Type: Female USB Type-C Socket
  • Digital I/O Pins: 14 – D0 to D13
  • Analog Input Pins: 6 – A0 to A5
  • PWM Output Pins: 6 – D3,D5,D6,D9,D10,D11
  • Peripherals:
    • Capacitive Touch Sensing Unit
    • USB 2.0 Full Speed Module (HID Support)
    • RTC (Real-Time Clock) & VRTC Pin (RTC Supply Voltage Pin)(
    • Up to 14-bit ADC
    • Up to 12-bit DAC
    • Operational Amplifier
    • 1x CAN Interface (D4,D5 – External transceiver required)
    • 1x SPI (D10-D13 / ICSP Header)
    • 1x I2C (A4,A5 / SDA,SCL / Qwiic Connecotr)
    • 1x UART (D0,D1)
  • Other Features:
    • 12×8 Red LED Matrix (96 Pixels Total)
    • OFF Pin which allows you to turn the board off
    • DIP switch to switch USB port connection between RA4M1 processor and ESP32-S3
  • Operating Temperature Range: -40°C to +85°C
  • Dimensions: ~(68.58mm x 53.34mm x 15mm)

ESP32-S3 Features / Specs

  • Processor: ESP32-S3-MINI-1-N8 (Xtensa, Dual-Core 32-bit LX7 Microprocessor with single precision FPU, up to 240MHz)
  • Flash Memory: 8MB (Quad SPI)
  • ROM: 348kB
  • SRAM: 512kB
  • SRAM in RTC: 16kB
  • WiFi Protocols: 802.11 b/g/n (802.11n up to 150 Mbps)
  • Frequency Band: 2.4GHz (2412MHz ~ 2484MHz)
  • Wireless Network Modes: Station / SoftAP / SoftAP + Station
  • WiFi Security: Secure Boot / Flash Encryption / 4k-bit OTP, up to 1792 bits for users / Cryptographic Hardware Acceleration
  • Bluetooth Protocols: Bluetooth LE – Bluetooth 5, Bluetooth Mesh
  • Power: Up to 20dBm
  • Speeds: 125kbps / 500kbps / 1MBps / 2MBps
  • Advertising Features: Advertising Extensions / Multiple Advertising Sets
  • Other Features: Internal co-existence mechanism allowing WiFi and Bluetooth to share a single antenna

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