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--- projects:jansonntag [2021/02/07 11:06]
jan
+++ projects:jansonntag [2021/03/13 14:03] (current)
jan
@@ Line 15: / Line 15: @@
 Use a circuit board coil to measure how far the key is pressed by measuring the inductance of the underlying coil. This should work because the Cherry MX has a metal spring inside. Also, it has been done before but without good documentation. [[https://imgur.com/gallery/ImrH7nO|See here]]\\
 \\
-[[JanSonntag:attempt1|**Attempt 1**]]\\
+[[JanSonntag:attempt1|Attempt 1]]\\
+I tried using a milled single-sided circuit board and a simple circuit by electronoobs for measuring the inductance of the milled coils. Didn't work tho. But I learned some stuff about PCB coils and especially single-sided coils.
 \\
-[[JanSonntag:attempt2|**Attempt 2**]]\\
 \\
-[[JanSonntag:attempt3|**Attempt 3 (WIP)**]]\\
+[[JanSonntag:attempt2|Attempt 2]]\\
+Here I tried designing a new circuit for the milled coils. I didn't even bother trying it out because it seems too complicated. But therefore I got into circuit-design.
+\\
+\\
+[[JanSonntag:attempt3|Attempt 3]]\\
+This has the first useable results! I made my first PCB and programmed an Arduino library. Seems very promising to me and I can feel I´m on the right track.
+\\
+\\
+[[JanSonntag:attempt4|Attempt 4 (WIP)]]\\
+This is still work in progress.
+\\
+\\
+[[JanSonntag:relatedLinks|Links]]\\
+Here you can find some links, for which I could not find a place inside of the attempts. These may be used during development or just as a source of inspiration.
-Directly related links:\\
+<WRAP center round tip 60%>
-https://www.sciencedirect.com/science/article/pii/S1877050918310135\\
+This project isn't documented all at once. I keep adding stuff on the go.
-https://www.cherrymx.de/en/mx-original/mx-red.html#techSpecs\\
+</WRAP>
-https://www.cherrymx.de/en/dev.html\\
-http://fabmodules.org/\\
-https://www.radiolocman.com/shem/schematics.html?di=162628\\
-Related links:\\
-https://git.hsrw.eu/ferdinand.meier/fablab/-/wikis/FabAc_woche04\\
-https://www.autodesk.com/products/eagle/overview\\
-https://kicad-pcb.org/\\
-https://cnc.js.org/\\
-http://academy.cba.mit.edu/classes/input_devices/index.html\\
-http://fab.cba.mit.edu/classes/863.12/people/calisch/14/foot.html\\
-http://archive.fabacademy.org/archives/2016/fablabbcn2016/students/20/jekyll/update/2016/04/19/week-eleven.html

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