graphite/JOURNAL.md
2025-06-03 15:30:45 -04:00

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---
title: "Graphite"
author: "somebody else"
description: "a custom graphing calculator"
created_at: "2025-05-24"
---
# May 24: (researching parts)
all I did today was research parts that I'll need and made a BOM.
I'll do more on monday.
BOM at time of writing:
![](https://github.com/thelegendofmario/graphite/blob/main/.github/bom.png?raw=true)
**Total Time Spent: 30 minutes**
# May 26: did more researchin' lol
Today, I just did more reasearching parts and I got kicad libraries for a few things I need:
![](https://github.com/thelegendofmario/graphite/blob/main/.github/kicadlibs.png?raw=true)
**Total Time Spent: 1 hour**
# June 02: FINALLY BACK 🎉
Today I finally got around to working on this for a little bit, and I got the screen in the schematic FINALLY wired! I also decided not to have a battery on this iteration of the design.
![](https://github.com/thelegendofmario/graphite/blob/main/.github/wiringtft.png)
**Total Time Spent: 1 hour and 21 minutes**
# June 03: Finished schematic!
Today I wired the button matrix! I might do some later today, (like assign footprints) but otherwise I'm done with the schematic🎉
![](https://github.com/thelegendofmario/graphite/blob/main/.github/finishedschematic.png)
> finished schematic ^^
**Total Time Spent: 2 hours**