SemanticScuttle - klotz.me

Tags: battery* + calculator*

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1. Bringing My Dad's 40 Year Old HP 25 Calculator Back to Life

   The author, inspired by his dad's old HP 25 calculator, designs and 3D prints a new battery holder to revive the vintage device.

   2024-08-24 Tags: hp 25, calculator, 3d printing, battery, retro computing by klotz
2. Vintage HP-25 Calculator Gets Wireless Charging | Hackaday

   2021-05-17 Tags: hp-25, calculator, battery, hackaday by klotz

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