| Quantity | Component name | |
| 1 | × | ESP32 PicoD4 |
| 1 | × | GDEH0154D67 or compatible 200x200 B/W 1.54inch panel |
| 1 | × | Wio-SX1262 If you can find it without the connector, better, since you have to desolder it |
| 1 | × | Piezo Electric Disc Speaker 10-15mm |
| 1 | × | 316040001 Mini Vibration Motor 3V 2.0mm Circular |
| 1 | × | 433 MHz Flexible Antenna Spring |
| 1 | × | Small LiPo battery <100mAh Flat |
| 1 | × | Panasonic AM-5815 5V solar cell |
| 4 | × | M1*2 screws |
Daniel Ansorregui