mircemk| Quantity | Component name | |
| 1 | × | CrowPanel ESP32 4.2” E-paper Display module |
| 1 | × | Battery, 3.7 V |
| 1 | × | Switch |
Building an E-Paper Analog Clock with ESP32
A low-power e-paper clock with Roman and Arabic numeral toggling, real-time progress bars, and minute-by-minute updates