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AAA batteries adapter for the HP Prime Calculator 3D Printer File Image 1

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AAA batteries adapter for the HP Prime Calculator

June 10, 2020

Description Comments Tags

Description

Can the HP Prime be powered using normal AAA batteries?
Circuit is just a simple LM317+2 resistors wrapped in heat shrink tube.

Print instructions

https://www.youtube.com/watch?v=Wkm\_DrNgwtM

License:

Creative Commons — Attribution

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