Each such chip includes a processor, memory and supporting components ... the most popular UNO R3 must evolve, though we have no plans to discontinue the board,” said Arduino co-founder Massimo ...

Original Circuit Diagram: Arduino UNO R3 Now, have a look at our favorite Arduino UNO to find out the AVR chip inside. It is ATMega328P-PU, a low-power version of the traditional ATMega328-PU. The P ...

Surprisingly, even with the upgrades and jam-packed features of the R4 WiFi, it's still slightly cheaper than the R3 at $27.50 ... and other electronic components used in Arduino projects ...