Introducing the Arduino UNO R4 Minima & WiFi
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.
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: https://www.elektormagazine.com/news/arduino-uno-r4-minima-wifi-review
You can pre-order your Uno R4 now: https://www.elektor.com/arduino-uno-r4-wifi
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: https://github.com/ClemensAtElektor/Arduino-UNO-R4
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