dan| Quantity | Component name | |
| 3 | × | 8x8 LED matrix driven by MAX7219 |
| 1 | × | Arduino Pro Mini |
| 1 | × | DS3231 RTC module |
| 1 | × | DC power jack |
| 1 | × | 5V wall wart |
| 1 | × | case |
Exasperating Clock
An LED clock that tells the time with a random array of dots
An LED clock that tells the time with a random array of dots
| Quantity | Component name | |
| 3 | × | 8x8 LED matrix driven by MAX7219 |
| 1 | × | Arduino Pro Mini |
| 1 | × | DS3231 RTC module |
| 1 | × | DC power jack |
| 1 | × | 5V wall wart |
| 1 | × | case |