The Nano2UNO Adapter 3V3 is a circuit board to adapt 3.3V Arduino Nano boards the the Arduino UNO form factor. All the IO pins on the Nano2UNO Adapter 3V3 are wired one to one from the Nano to the UNO ...

The reason is that SD cards operate around 3v3, but Arduino Uno GPIO pins are excited to 5v. However, these modules are still relevant because some other dev boards operate their GPIO pins with 3v3, ...

Two versions of the new 32-bit Arduino UNO board will be offered: UNO R4 WiFi and UNO R4 Minima with the only difference being the former getting an ESP32-S3 module for wireless connectivity. Arduino ...

Features only on Uno R4 WiFi (right) and not on Uno Minima. Wi-Fi 2.4GHz 802.11b/g/n up to 150Mbit/s Bluetooth 5 Built-in antenna 12 x 8 LED matrix Qwicc-style connector for 3V3 I 2 C – additional ...