5 Bucks Adjustable DC Power Supply
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Case for the cheapest adjustable DC power supply in the world! :)
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Electronics
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
No support needed, just print it.
I removed the blue multi-turn potentiometer from LM2596 and glued in a modified (infinity turn) regular potentiometer (See last picture).
You can try to use directly a regular potentiometer (maybe a B5K or B10K), but I didn't try it, if you did it and it worked, please let me know in the comments.
Feel free to customize if you need: https://www.tinkercad.com/things/2BnJKwyWqw5
Knob editable here: https://www.printables.com/model/858197-another-potentiometer-knob
Specs (approximately)
- Input: 3.2~40 v
- Output: 1.25~35 v
- Max Current: 2 A
You will need:
1x Stepdown LM2596 USD 1.00
1x Digital Voltimeter and Amperemeter USD 1.25
1x Switch on-off USD 0.17 (10pcs = USD 1.61)
1x Female Jack Connector USD 0.18 (10pcs = USD 1.73)
4x Some screws USD 0.12 (50pcs = USD 1.13)
Filament USD 1.49
Total less then USD 5.00 (USD 4.21)
* Prices from AliExpress
No support needed
Wiring
