app.py

Python script to generate new analog gauge scale marks.
Import into google sheets to add text.
Found at: https://community.element14.com/technologies/open-source-hardware/b/blog/posts/meter-dial-creator-toolkit

py - 4.42 kB - 06/12/2023 at 06:35

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battery charger V2A1E1.zip

Hopefully Sanitized Project Files. Made with KiCad 7.0.5.

x-zip-compressed - 1.20 MB - 06/12/2023 at 06:03

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Battery Charger V1A4.pdf

NPN Darlington Config for Pass Transistor.
Op Amp Comparator and Latch.
May not work, included to showcase concepts.

Adobe Portable Document Format - 91.04 kB - 06/12/2023 at 05:31

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Battery Charger V2A1E1 Schematic.pdf

NPN Darlington Config for Pass Transistor.
Comparator and Latch made with LM339.
PCB in project is based off this design. Adjust R7-9 to control C-rate shutoff.

Adobe Portable Document Format - 100.80 kB - 06/12/2023 at 05:27

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