The powerful #Arduino #UNO #R4 is the newest member of the iconic Arduino UNO family. It even comes in two versions, so, let's take a look at the UNO R4 #Minima and WiFi.

You can get your Arduino Uno R4 here: [ Ссылка ]

The two new Arduino UNO R4 boards feature a microcontroller from Renesas, the RA4M1. This 32-bit ARM Cortex-M4 runs at 48 MHz and has 32 KB of RAM and 256 KB of flash memory. This controller can be powered from 5 V whereas most other ARM-based microcontrollers require 3.3 V. This makes the MCU a suitable candidate for enhancing the 5-V, 8-bit AVR-based family of which the Arduino UNO R3 is a famous member.

Here is the full review: [ Ссылка ]

The UNO R4 Minima board is of a similar design complexity as the R3. To this the UNO R4 WiFi adds an 8-by-12 LED matrix and an ESP32-S3-MINI-1 module. There is also a Qwiic connector and a pin header to power the real-time clock.

Arduino UNO R4 software experiments: [ Ссылка ]

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Content

0:00 Intro
0:21 About the microcontroller R(7F)A4M1 from @RenesasPresents
1:00 @Arduino UNO R4 Minima vs. UNO R4 WiFi vs. UNO R3
2:04 Pinout Arduino UNO R4
2:28 Analog features of UNO R4
3:05 NEW FEATURES UNO R4 - SWD interface & @EspressifSystems ESP32-S3 onboard
3:44 NEW FEATURES UNO R4 WiFi - 8-by-12 red LED Matrix, I²C Ports
4:24 UNO R4 Power Supply
4:45 FUN Fact of Arduino UNO R4
4:58 Summary of Arduino UNO R4 Minima and UNO R4 WiFi



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