Software scalability is also supported on the new board, allowing easy upgrades for projects made with UNO R3 or Leonardo. In response to requests from the Arduino community, the USB port has been ...

Uno R4 boards also preserve the standard form factor, shield compatibility, and 5-V power supply of the Uno R3. Further, an enhanced thermal design enables the Uno R4 boards to be powered up to 24 V.

The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.

If you would like to build your very own benchtop power supply you might be interested in a DIY tutorial for Supplino. A versatile compact Arduino power supply capable of providing from 4 to 40 ...

Arduino has announced the new UNO R4 board family for prototyping and learning. The new models feature a faster microcontroller, a USB-C connector, improved power, Wi-Fi and Bluetooth LE, and more.