You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1.1 KiB
1.1 KiB
| 1 | What? | Why? | Price |
|---|---|---|---|
| 2 | 100 W heater | Get the acid on temperature (accelerates etching and improves quality). | 7$ |
| 3 | 3 W compressor | Move the acid arround the PCB (accelerates etching and gives better quality). | 5.5 $ |
| 4 | 200 ohm resistors (300 pcs) | For UV LEDs. | 2.2 $ |
| 5 | 100 UV LEDs | For the UV light. I tested those already. | 15.7 € |
| 6 | 18 V and 2 A power supply | For the UV light. | 4.6 $ |
| 7 | Aquarium silicon | Glue the glass plates together for the cuvette. | ~ 50 SEK |
| 8 | Glass for cuvette | Cuvette where PCBs are etched. | ~ 200 SEK |
| 9 | Wooden plate | Mounting the LEDs inside an old scanner. | ~ 100 SEK |
| 10 | Old scanner | Base for the UV ligth. | 0 |
| 11 | Drill stand | Drilling holes in the PCB without breaking the drills. | 33 $ |
| 12 | Driller set | Drill holes with different sizes. | 10 € |
| 13 | Iron trichloride (FeCl3) | Etches away copper (which is not protected by plastic). | 15.3 € |
| 14 | Canister | Canister to put old FeCl3 (can kill bacteria because of the copper). | 0 |
| 15 | Soda (NaOH) | Etch away plastic cracked by the UV light. | 2 € |
| 16 | Some 3D printed parts | We can most likely print them at Ångström. | 0 € |
| 17 | Developing trays | Developing PCBs and clean them in there. | 25 € |
| 18 | Copper wire | To make vias. | ~ 5 € |