Kaiweets HT112B Multimeter Rechargeable Lipo Battery Mod

Modify a Kaiweets HT112B multimeter to run on a rechargeable battery using a TP4056 board.
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updated November 28, 2024

Description

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The Kaiweets HT112B multimeter has a parasitic battery drain problem when it's off.  I modified it to run off a rechargeable lipo battery so that it can be easily recharged instead of having to change the coin batteries.

Designed to be printed at .2mm resolution.  Paint on support for the 2 tabs on top.  PLA recommended for its rigid properties.

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