Software-wise, the R4 WiFi also works with the traditional desktop IDE, along with the web editor and Arduino CLI. It can be used with the online Arduino Cloud platform, as well.

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.

As electronic devices got more complicated in the past few decades, it became increasingly difficult and expensive to tinker with hardware. The 1970s garage engineers who built their own computers ...