Bookmark Flashlight
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Veröffentlicht:2025-12-10 18:22:07
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This is a bookmark sized flashlight with runways for copper tape to be laid.
Part List:
- Copper tape with conductive adhesive backing. https://www.adafruit.com/product/1128
- 2x CR2032 battery holder with on/off switch. https://www.adafruit.com/product/783
- 2x CR2032 lithium batteries. https://www.adafruit.com/product/654
- 2x SMD LEDs https://www.ebay.com/sch/i.html?\_nkw=smd+led+0805
- 1x SMD Resistor 390 - 510 ohm https://www.ebay.com/sch/i.html?\_nkw=510+ohm+resistor+0805
Print Settings
Printer:
Prusa
Rafts:
No
No
Resolution:
0.15
20
Filament: Jesse PLA
Notes:
- Set print height variable to match your printer settings. Included .stl is for 0.15mm. If needed, rotate by 45 degrees to fit your print bed. Set bottom fill pattern to Octogram Spiral to get a really neat star pattern. Post-Printing
Assembly Notes:
I cut the copper tape in half to get the trace width I wanted. When soldering the copper tape, lay the tape as one solid piece. Then cut on the notches to open up a gap of approx 1 - 1.5mm. Goal is that the copper track overlaps each LED by approx 1mm.
Super glue the battery clip onto the tabs.Solder it all together, be fast on the copper tape. More than a second of heating is enough to deform the plastic.
Finishing Ideas
Print a sticker to hide/protect the copper and act as an LED diffuser.
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