| MCU Board | MCU Chip | RAM Size | Flash Size | USB Port | Buttons | Picture (click to enlarge) |
|---|---|---|---|---|---|---|
| Lolin/Wemos C3 Mini | ESP32-C3 | <1M | 4M | Type-C | 2 |  |
| M5 Stack Atom | ESP32 | <1M | 4M | Type-C | 1 |  |
| MCU Board | MCU Chip | RAM Size | Flash Size | USB Port | Buttons | Picture (click to enlarge) |
|---|---|---|---|---|---|---|
| Lolin/Wemos C3 Mini | ESP32-C3 | <1M | 4M | Type-C | 2 | |
| M5 Stack Atom | ESP32 | <1M | 4M | Type-C | 1 | |