Chip-dat/NXP-dat/PCA9685-dat/PCA9685-dat.md
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@@ -39,6 +39,9 @@ The PCA9685 is an I²C-bus controlled 16-channel LED controller optimized for Re
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- [[servo-dat]]
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+## demo code
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+
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+- https://github.com/adafruit/Adafruit-PWM-Servo-Driver-Library
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## ref
Chip-dat/chip-dat.md
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@@ -12,7 +12,9 @@
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[[MCU-dat]] - [[STC-dat]] - [[nuvoton-dat]]
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-- [[fairchild-dat]] - [[NXP-dat]]
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+- [[fairchild-dat]]
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+
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+- [[NXP-dat]] - [[PCA9685-dat]]
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[[TI-dat]] - [[ti-motor-dat]] - [[ti-audio-dat]] - [[ti-logic-dat]]
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mechanics-dat/CAD-dat/drawing-dat/drawing-dat.md
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@@ -3,7 +3,11 @@
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![](2025-06-16-12-56-05.png)
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+to export readable drawings, you can use the following formats:
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+
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- DWG
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- DXF
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+And note to export ratio 1:1 to avoid misreading
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+
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service-dat/fab-dat/fab-dat.md
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@@ -7,9 +7,11 @@
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- [[fab-stencil-dat]]
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-- [[fab-mech-dat]] - [[sheet-metal-fab-dat]] - [[3d-print-dat]] - [[CNC-dat]] - [[case-dat]]
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+- [[fab-mech-dat]] - [[3d-print-dat]] - [[CNC-dat]] - [[case-dat]]
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+- [[sheet-metal-fab-dat]]
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+- [[CAD-dat]] - [[onshape-dat]] - [[drawing-dat]] - [[assembly-dat]] - [[step-dat]]
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## ref
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service-dat/fab-dat/sheet-metal-fab-dat/sheet-metal-fab-dat.md
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@@ -6,12 +6,17 @@
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- If there are assembly relationships between parts, it is strongly recommended that you upload an assembly STEP file.
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-## Examples
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+## Examples Stainless Steel 201
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- the following bending rack price == 20RM == 3 USD
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![](2025-06-16-12-38-08.png)
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+## Example Plastic PP PE Sheet
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+
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+
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+
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+unit == mm, color == black
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## ref
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