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The new Arduino Uno, the latest revision of the world's most popular development kit, allows developers to pursue more advanced projects. The Arduino Uno now features the Renessas RA4M1 32-bit ARM Cortex M4 microcontroller, as well as the ESP32-S3-MINI for WiFi and Bluetooth LE connectivity. A key feature of the new Arduino Uno is compatibility with all shields from previous versions, allowing you to easily upgrade your old projects. Arduino Uno is now even more secure thanks to extensive security systems, as well as compatibility with existing guides and projects. Arduino Uno, thanks to its flexibility and accessibility, is an ideal tool for beginners and experienced makers. Arduino ABX00087
With its new revision, Arduino Uno is entering the world of 32-bit microcontrollers. The Renesas RA4M1, which is the heart of this kit, is equipped with an ARM Cortex M4 core with a clock speed of 48 MHz, 256 kB of flash memory, 32 kB of SRAM memory, and 8 kB of EEPROM memory. It operates at a voltage of 5 V, making the R4 hardware compatible with UNO Shields available on the market. Like the R3, the refreshed UNO has 14 digital ports, of which 6 support PWM, 6 analog ports (ADC) with resolution increased to 14-bits, and support for SPI, I2C, and UART interfaces. A novelty is the 12-bit digital-analog converter (DAC) and support for the CAN interface. Additionally, the WiFi version is equipped with the ESP32-S3-MINI, which provides WiFi and Bluetooth LE wireless connectivity. The power supply voltage range has been extended to 6 - 24 V, and the rarely encountered USB type A connector these days has been replaced with a modern and convenient USB type C.
Compatibility with existing projects - Arduino UNO enjoys strong community support, which means there are many tutorials, guides, and projects available to use. This community is also very helpful in problem-solving and advice giving. The new version of UNO is compatible with existing projects.
Increased clock speed and expanded memory - allow for more precise and complex calculations, making it easy to create much more advanced projects
14-bit Analog-Digital Converters (ADC) increase the measurement accuracy of analog ports 16 times compared to Rev3
12-bit Digital-Analog Converter (DAC) allows for precise generation of voltages in the range of 0 - 5 V without the need for external components. The converter's output is led to port A0. It can be used to control analog circuits or, combined with an amplifier, to generate sound.
CAN-BUS The RA4M1 microcontroller has built-in support for the CAN interface, which allows data to be transmitted over long distances at high speed and reliability. It is suitable for applications that require a critical reaction time. To use this interface, only an external transceiver is needed, eliminating the need for expensive converters.
The MINIMA version is equipped with an SWD port that allows connecting an external debugger like J-link EDU mini or J-link Base and debugging code directly from Arduino IDE 2.0. This allows for quick analysis with the possibility of stopping the code and viewing variable values in real time.
Durable and practical USB type C connector. It allows easy and convenient cable connection, does not require holding unusual cables just for programming Arduino.
HID support allows for the creation of custom keyboard, mouse, game controller, and control panel projects communicating with the computer via the USB interface. This feature gained huge popularity with Arduino Leonardo, and is now also available in UNO R4.
Arduino UNO Rev4 is 100% compatible with all shield expansion modules for UNO produced by Arduino. Due to the compatibility of logic voltages and pinout, modules from other manufacturers are also compatible with the new version, but before buying unofficial extensions, it is worth making sure that the libraries have been tested with the new revision of the board.
LED matrix - The WiFi version is additionally equipped with a 12x8 matrix of red LEDs, which will be used in the visualization of sensor data, displaying animations and in many other creative projects.
Support for battery powered RTC - UNO R4 WiFi has a connector that allows you to connect a battery supporting the operation of the real time clock and a connector that allows you to turn off the board without disconnecting the power supply.
Error diagnosis while the program is running - the WiFi version has built-in mechanisms that allow detecting the most common errors during program operation, such as division by zero or stack overflow. Thanks to this, you can find the cause of the program's malfunction much faster and significantly reduce the time needed to complete the project.
UNO Rev3 | UNO Rev4 MINIMA | UNO Rev4 WiFi | |
---|---|---|---|
Mikrokontroler | Atmega 328 | RA4M1 | RA4M1 + ESP32-S3-MINI |
Clock speed | 16 MHz | 48 MHz | 48 MHz |
Flash memory | 32 kB | 256 kB | 256 kB |
SRAM memory | 2 kB | 32 kB | 32 kB |
EEPROM memory | 1 kB | 8 kB | 8 kB |
Logic level | 5 V | 5 V | 5 V |
Digital ports | 14 | 14 | 14 |
PWM | 6 | 6 | 6 |
Analog ports (ADC) | 6 (10bit) | 6 (14bit) | 6 (14bit) |
SPI/I2C/CAN | 1/1/0 | 1/1/1 | 1/1/1 |
Wireless connectivity |
No | No | WiFi / Bluetooth LE |
HID | No |
Yes |
Yes |
SWD | No | Yes | No |
LED matrix | No | No | 12 x 8 czerwona |
Qwiic | No | No | Yes |
USB | USB type A | USB type C | USB type C |
Supply voltage |
6 - 12 V | 6 - 24 V | 6 - 24 V |
Data sheet
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
A set with ATmega2560 microcontroller (256 kB Flash, 8 kB RAM, 4 kB EEPROM) clocked at 16 MHz. The user has, among others: 54 I / O lines, 14 PWM channels, 16 analog inputs. Arduino A000067
Board with NXP® i.MX 8M Mini processor (Linux) and dual-core STM32H747XI CortexM7 + M4 microcontroller. Equipped with WiFi and Bluetooth 5.1 communication. Arduino ABX00049
No product available!
Development board with ATmega32u4 microcontroller (AVR), 20 I / O lines, 7 PWM channels, 16 MHz quartz, micro-USB. Easy-to-use USB support libraries, sensors, displays, etc. are available. A000052
Module with the ATMega4809 microcontroller from the AVR family (48 KB Flash, 6 KB SRAM, 256 B EEPROM). The module has two 15-pin connectors equipped with GPIO, SPI, I2C, PWM, USART, DAC and ADC. Arduino ABX00028
Board with SAMD21 microcontroller with CortexM0 + core (48 MHz, 256 KB Flash, 32 KB RAM). Equipped with WiFi and BT module (based on ESP32) and IMU LSM6DS3 unit. Ideal for applications in the IoT area. Module with headers. Arduino ABX00032
Arduino DUE is a board with an Atmel SAM3X8E microcontroller (ARM, Cortex-M3 core) clocked at 84 MHz. The user has 54 I/O lines (including 12 PWM channels), 12 analog inputs, 2 digital-to-analog converters. Version without soldered connectors. Arduino A000056
Discover the latest revision of Arduino Uno - the most popular development kit in the world. The Arduino Uno in its newest iteration impresses with a three-fold increase in clock speed, eight-fold larger flash capacity, and a sixteen-fold increase in SRAM capacity. But that\'s just the beginning, as Arduino Uno also offers a wide range of additional peripherals, powered by a 32-bit Renessas RA4M1 microcontroller with an ARM M4 core. With the new Arduino Uno, you don\'t have to worry about compatibility, as the board is compatible with all shields from previous revisions. Thanks to the elaborate security systems and compatibility with existing guides and projects, Arduino Uno becomes the ideal solution for both beginners and advanced electronics enthusiasts. Arduino ABX00080
Board with nRF52840 microcontroller with CortexM4F core (64 MHz, 1 MB Flash, 256 kB RAM). Equipped with BT 5.0 module and sensors - 9-axis IMU module, temperature, pressure, humidity, light, color, gestures and microphone. Arduino ABX00031
No product available!
Module with a dual-core STM32H747XI CortexM7+M4 microcontroller with a clock speed of up to 480 MHz. Equipped with Ethernet communication. Arduino ABX00045
Development board with 32-bit ATSAMD21G18 microcontroller with ARM Cortex-M0 + core. Equipped with numerous peripheral systems, including UART, SPI, TWI (I2C) communication, analog inputs and outputs, and PWM outputs. Arduino ABX00003
Module with dual-core STM32H747XI microcontroller with CortexM7+M4 core equipped with 2 MB flash memory, 1 kB RAM and clock speeds up to 480 MHz. The board has a built-in WiFi module and Bluetooth 5.1. Arduino ABX00046
Module with motion sensors, magnetometer, pressure and gas sensors. Equipped with nRF52832 microcontroller with Bluetooth communication, perfect for AI, IoT and Edge devices. Arduino ABX00050
No product available!
Arduino Opta is an advanced, safe and easy-to-use micro-PLC controller that makes it easy to add Internet of Things (IoT) capabilities to industrial applications. It can be programmed using languages known from PLC devices. It was created in cooperation with Finder and is an ideal tool for PLC engineers.. Arduino AFX00003
The new Arduino Uno, the latest revision of the world's most popular development kit, allows developers to pursue more advanced projects. The Arduino Uno now features the Renessas RA4M1 32-bit ARM Cortex M4 microcontroller, as well as the ESP32-S3-MINI for WiFi and Bluetooth LE connectivity. A key feature of the new Arduino Uno is compatibility with all shields from previous versions, allowing you to easily upgrade your old projects. Arduino Uno is now even more secure thanks to extensive security systems, as well as compatibility with existing guides and projects. Arduino Uno, thanks to its flexibility and accessibility, is an ideal tool for beginners and experienced makers. Arduino ABX00087