
UNO R4 WiFi | Arduino Documentation
The Arduino UNO R4 WiFi is designed around the 32-bit microcontroller RA4M1 from Renesas while also featuring a ESP32 module for Wi-Fi® and Bluetooth® connectivity. Its distinctive 12x8 LED …
Arduino UNO R4 Shield Guide
Oct 7, 2025 · Over the years, a wide range of accessories such as shields and sensors have been made, and in this guide, you will find information that will help you create your own customized …
UNO R4 Minima | Arduino Documentation
The UNO R4 Minima features a microcontroller based on the Renesas RA4M1 (Arm® Cortex®-M4) with an operating voltage of 5 V. It has 14 digital I/O, 6 analog inputs with up to 14-bit resolution, a clock …
The UNO R4 WiFi's memory is larger than its predecessors, with 256 kB flash, 32 kB SRAM and 8 kB of EEPROM. The RA4M1's operating voltage is fixed at 5 V, whereas the ESP32-S3 module is 3.3 V. …
The UNO R4 Minima's memory is larger than its predecessors, with 256 kB flash, 32 kB SRAM and 8 kB data memory (EEPROM). The UNO R4 Minima board's operating voltage is 5 V, making it hardware …
UNO R3 | Arduino Documentation
Arduino UNO is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB …
Getting Started With the Arduino SPE Shield
Oct 7, 2025 · This standardized form factor allows seamless integration into existing Arduino UNO projects and ensures that the shield can be easily incorporated into enclosures and mounting …
Nano R4 User Manual | Arduino Documentation
The Arduino UNO R4 Boards core contains the libraries and examples to work with the Arduino Nano R4's peripherals and onboard components, such as its RA4M1 microcontroller, advanced peripherals …
Compatible with the Arduino UNO form factor, it supports SPI, UART, and I2C, facilitating interoperability with various devices. Additionally, it features screw terminals for additional connectivity and power …
The Arduino® Nano R4 is a Nano form factor board based on the RA4M1 series microcontroller from Renesas (R7FA4M1AB3CFM#HA0), which embeds a 48 MHz Arm® Cortex®-M4 microprocessor.