Arduino Uno R4 WiFi

The UNO universe expands with UNO R4 WiFi: the same industry-standard form factor at 5V operating voltage, but with the enhanced performance of a RA4M1 32-bit microcontroller by Renesas with ESP32-S3-MINI coprocessor – for increased computational power, memory and speed – as well as Wi-Fi® and Bluetooth® connectivity, a 12 x 8 LED matrix, and a Qwiic connector.

Features:

• Operating Voltage: 5V
• Memory: 256KB Flash / 32KB SRAM
• Input Voltage: 6-24V
• Clock Speed: 48 MHz
• Programming Port: USB-C
• MCU: RA41M1 from Renesas (Cortex M4)
• WiFi/BLE: ESP32-S3-MINI
• HID device (emulate a mouse or a keyboard)
• Improved power section (up to 24V through VIN)
• CAN bus
• DAC (12 bits)
• Op amp
• WiFi® / Bluetooth® Low Energy
• Fully-addressable LED matrix with 96 red LEDs (12x8)
• Qwiic I2C connector
• RTC (with support for a buffer battery)
• Runtime errors diagnostics