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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). | ? |
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 € |