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| author | user <user@node5.net> | 2024-05-29 20:50:10 +0200 |
|---|---|---|
| committer | user <user@node5.net> | 2024-05-29 20:50:10 +0200 |
| commit | a06b72862724da2efd68ee209105142fbca69a68 (patch) | |
| tree | 2f0bf75a9dde4d7493ae368f1d15c9b612e004d4 | |
| parent | aa7fd26087102e7c165e9886280fa3d2a49a7199 (diff) | |
Custom keyboard V2 - started working on PCB, LED indicator resistor value calculations
| -rwxr-xr-x | Custom keyboard V2/index.md | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Custom keyboard V2/index.md b/Custom keyboard V2/index.md index 25d57ef..90d6703 100755 --- a/Custom keyboard V2/index.md +++ b/Custom keyboard V2/index.md @@ -401,3 +401,13 @@ grep -I --color=always -rnie "mcp23017" --include \*.h --include \*.c | cut -d': - [github.com - ingrained](https://github.com/qmk/qmk_firmware/tree/master/keyboards/ingrained) - [github.com - ferris](https://github.com/qmk/qmk_firmware/tree/master/keyboards/ferris) +## PCB Design + +Based on this tutorial: [How to Design Mechanical Keyboard PCBs with Kicad, Joe Scotto - youtube.com](https://www.youtube.com/watch?v=8WXpGTIbxlQ) + +### LED Indicator + +I'm adding an indicator LED, it's an RGB LED, meaning I'll have to add a current limiting resistor per color, +with a unique value for each. +I then run into the issue that the forward voltage of the blue LED is higher than the supply voltage, which is about 3v. +[What will happen to an LED if the forward voltage (Vf) is greater than its supply voltage? - electronics.stackexchange.com](https://electronics.stackexchange.com/questions/573214/what-will-happen-to-an-led-if-the-forward-voltage-vf-is-greater-than-its-suppl) |