This new version 3.0 comes with ATMEGA328 which offers more programming and data memory space. It is two layers. That make it easier to hack and more affordable.
- For breadboard-friendly projects
- Hobbyists who want to simplify their circuit size and cost.
- Auto-sensing/switching power input
- Small mini-B USB for programming and serial monitor
- ICSP header for direct program download
- Standard 0.1” spacing DIP (breadboard friendly)
- Manual reset switch