| Quantity | Component name | |
| 1 | × | DM8BA10 10-digit 16-segment LCD |
| 1 | × | Leonardo Tiny Atmega32U4 https://www.jaycar.co.nz/leonardo-tiny-atmega32u4-main-board/p/XC4431 |
| 1 | × | DS3221 Real-time clock |
| 2 | × | N/O Pushbutton https://www.jaycar.co.nz/spst-pcb-tactile-switch/p/SP0611 |
| 1 | × | LDR ~200R bright, ~20MR dark |
| 3 | × | Resistors 2x 220R, 1x 22kR |
Mark Wilson