Arduino is launching new versions of the Uno board powered by a Renesas 32bit microcontroller. The Uno R4 comes in two versions: the basic Uno R4 Minima and the Espressif-equipped Uno R4 WiFi.
As we discussed in my previous column, until a few weeks ago, the Arduino Uno microcontroller development board we’ve all grown to know and love was the R3 (“Revision 3”). This little rascal is ...