| Quantity | Component name | |
| 1 | × | Main PCB KiCAD Files available in files section |
| 1 | × | 555 IC THT |
| 1 | × | Capacitor, Electrolytic 47uF |
| 3 | × | Capacitor, Electrolytic 1uF |
| 1 | × | Capacitor, Electrolytic 10uF |
| 1 | × | Diode, THT, 1N4007 (or similar) |
| 1 | × | 5mm, Blue LED |
| 1 | × | 5mm, Green LED |
| 1 | × | 5mm, Red LED |
| 4 | × | 5mm, 2-Way Screw Terminal Block |
| 1 | × | Transistor NPN - 2N2222 or 2n3904 |
| 2 | × | 15k OHM Resistor THT (for 555 Timing) |
| 5 | × | 1K OHM Resistor THT |
| 4 | × | 500 OHM Resistor THT |
| 7 | × | 10K OHM Resistor THT |
| 2 | × | 74HC02 NAND Gate Package 14-pin |
| 1 | × | 74HC08 AND Gate Package 14-pin |
| 1 | × | 74HC04 Inverter Package 14-pin |
| 4 | × | 14-Pin IC Socket |
| 1 | × | 8-Pin IC Socket |
| 1 | × | Hook-up wire |
| 2 | × | "Wago" Type Terminal Blocks |
| 2 | × | Jam Jars |
| 2 | × | 20mm Cable Glands |
| 2 | × | Ultrasonic Humidifier Modules From Ebay |
| 2 | × | Flashing LEDs Modules |
| 1 | × | USB Battery Pack |
| 1 | × | Duct Tape |
| 1 | × | Food dye (colours of your choice) |
| 1 | × | Cable Tie |
| 2 | × | Hazardous / Radioactive labels! |
Tom Goff