Quantity | Manufacturer Part # | Digikey Part # | Notes |
1 | STS1024S6V5 | 1470-4725-ND | Switching Power Supply |
1 | SGAS711 | 800-3802-ND | Flammable gas sensor ($30) |
1 | A000005 | 1050-1001-ND | arduino nano |
2 | TC33X-2-104E | TC33X-2-104ECT-ND | 100K potentiometer (TY53SL) |
2 | CR0805-FX-2003ELF | CR0805-FX-2003ELFCT-ND | 200K resistor 0805 |
2 | TC33X-2-105E | TC33X-2-105ECT-ND | 1M potentiometer |
2 | CL21A106KAYNNNE | 1276-2891-1-ND | 10uf ceramic for switcher |
1 | C3216X5R1E476M160AC | 445-8047-1-ND | 47uf capacitor for switcher. This is somewhat high price, may not be needed (data sheet says optional) |
| | | case is 1593ARBK buy from newark or other |
| | | this bom assumes you have 1K 0805 and 0805 LEDs stocked (buy a reel), as well as reverse voltage diode and speaker, and female pin headers, terminal blocks, and barrel plugs |