Board-dat/OPM/OPM1192-dat/OPM1192-dat.md
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@@ -8,14 +8,18 @@ default output 3.3V, customized 5V
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![](34-30-16-15-08-2023.png)
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+Pin Definitions:
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+- Top left: Input ground
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+- Bottom Left: Input power supply
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+- Top right: Output ground
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+- Bottom Left: Ouput power supply
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## Output Setup
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-R2 = 0.6/(V-0.6)*R1
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-
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-R2 = 0.6/(3.3-0.6) * R1 = 22K
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-
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-R2 = 0.6/(5-0.6) * R1 = 13.6K
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+- R2 = 0.6/(V-0.6)*R1
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+- for 3.3V, R2 = 0.6/(3.3-0.6) * R1 = 22K
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+- for 5V, R2 = 0.6/(5-0.6) * R1 = 13.6K
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+- for 12V, R2 = 0.6/(12-0.6) * R1 = 5.26K
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## ref
service/EDA-dat/eaglecad-dat/2024-04-02-14-24-27.png
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service/EDA-dat/eaglecad-dat/2024-04-02-14-24-54.png
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service/EDA-dat/eaglecad-dat/eaglecad-dat.md
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- https://github.com/Edragon/Eagle-CAD-dat
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- ~~https://github.com/Edragon/CAD-Eagle-part~~
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+
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+## Tips
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+
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+### oval, or oblong shapes
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+
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+Unfortunately there is still no option for creating a plated slot in the library editor with the ease you can an SMD or PAD. However, you can do as @millingm suggested or the variation I prefer which is a PAD on each end of the slot and then draw each of the inner/outer layer pad areas with a polygon on each of the 16 routing layers. The also draw the slot as a line on the Milling layer. You end up with something like this in your library:
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+
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+![](2024-04-02-14-24-27.png)
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+And when it is in the board you end up with:
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+
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+![](2024-04-02-14-24-54.png)
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+
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+https://forums.autodesk.com/t5/eagle-forum/slotted-pads/td-p/7487203
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+
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+
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+## ref
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+
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- [[eagle-cad]]
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