![]() ![]() For more advanced uses, there are also additional pins to turn off the microcontroller while keeping the RTC powered by an external buffer battery.įor makers seeking a boost in processing power without the additional features, the UNO R4 Minima provides a cost-effective option. ![]() With a wide variety of compatible modules that can be connected via the Qwiic I2C connector, combined with the large ecosystem of shields for UNO already in the market, UNO R4 WiFi provides a plug-and-play experience that allows the creation of projects without soldering, breadboards or manual wiring. The bright 12×8 red LED matrix is ideal for creative projects using animations or for plotting sensor data, without the need for additional display hardware. The UNO R4 WiFi version comes with an Espressif ESP32-S3 module for Wi-Fi and Bluetooth Low Energy connectivity. The UNO R4 comes in two versions – the Minima without WiFi, and the WiFi option. ![]()
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