commit d48ed4ddfd090cc27d98a9de06db757f87266da8 parent 5a6cd78a02c22b6a5d4e5e4d7fbe698a4fea6e2e Author: Martin Kloeckner <mjkloeckner@gmail.com> Date: Fri, 1 Nov 2024 23:34:34 -0300 update `README.md` Diffstat:
| M | README.md | | | 16 | +++++++++++++++- |
1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md @@ -6,7 +6,7 @@ This is a simple [Pulse-width Modulation](https://en.wikipedia.org/wiki/Pulse-width_modulation) Driver that can drive LED strips or other DC loads up to at least `18v 3A`. -## 3D Models +## 3D Models used on the PCB The majority of 3D Models used are from the official KiCAD 3d library. The ones missing are: @@ -15,6 +15,20 @@ missing are: - [Screw terminal DG-301 5mm](https://grabcad.com/library/screw-terminal-dg-301-5mm-1) - TO-220 with trimmed legs: A modification of the default KiCAD TO-220 model +## Case + +The case for the projects has been developed using FreeCAD. + +### Considerations + +- Fully parametric design: The majority of the values used in the design can be + easily changed by modifying the contents of the `param` spreadsheet +- No threaded holes: Even tho FreeCAD offers an option to thread the holes, + considering that the screws used have a diameter that is less than `3.5 mm` + and the majority of 3D printers don't have that level of detail, I considered + not doing the thread on holes and doing it later with the physical screw at + the time of the build. + ## Resources Consulted This are some web resources that I consulted during the build