That&#x27;s a nice little part, but it has <i>very</i> limited memory: 32 kB on-chip flash, 4 kB RAM.  That&#x27;s less than some Atmel ATMega-based Arduinos. The Arduino Due (an ARM CPU) has 512 KB flash, 96KB RAM.<p>To get more memory, though, you have to go surface-mount.