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Commit 641bd4f0 authored by Mitalee Parikh's avatar Mitalee Parikh
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update ed image links

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......@@ -39,7 +39,7 @@ Added components:
Pinout for Attiny44
![](./images/ed/pinout44.jpg)
![](./images/ed/ss/pinout44.jpg)
#### Creating the schematic
......@@ -49,7 +49,7 @@ I used [KiCad 5.1.6](https://kicad-pcb.org/) to design my PCB. KiCad is an open
First step was to import all of the symbol and footprint libraries adapted for SMD components. These libraries can be found [here.](http://academany.fabcloud.io/fabacademy/2020/labs/barcelona/site/local/#material/extras/week06/assets/kicad_libraries.zip)
![](./images/ed/libraries.jpg)
![](./images/ed/ss/libraries.jpg)
#### Designing schematic
......@@ -57,62 +57,62 @@ I placed the components listed above one by one, using the place component tool.
I also placed some tags using the tag tool - like GND and VCC, to make the schematic neat and clear.
![](./images/ed/schematic.jpg)
![](./images/ed/ss/schematic.jpg)
Finally, I generated a Netlist by pressing the green netlist symbol on the toolbar.
![](./images/ed/generate-netlist.jpg)
![](./images/ed/ss/generate-netlist.jpg)
However I got an error saying that component R1 did not have footprints defined.
![](./images/ed/error.jpg)
![](./images/ed/ss/error.jpg)
So I went back and assigned footprints to the missing part, by going to its properties again, and selecting the correct footprint from the newly installed libraries. And generated the netlist again.
![](./images/ed/addfootprint.jpg)
![](./images/ed/ss/addfootprint.jpg)
![](./images/ed/assign.jpg)
![](./images/ed/ss/assign.jpg)
#### Drawing traces
Then I opened the KiCad pcbnew part, and found the netlist created and stacked of all components in the middle of the board.
![](./images/ed/ratsnest.jpg)
![](./images/ed/ss/ratsnest.jpg)
I first editied the design rules in its menu and set the grid size.
![](./images/ed/designrules.jpg)
![](./images/ed/ss/designrules.jpg)
The components all have an indicative line connection, so I used that to rearrange them and then added the traces, using the trace tool.
![](./images/ed/arranged.jpg)
![](./images/ed/ss/arranged.jpg)
After connecting them all, I used the line tool to draw the outline like so.
![](./images/ed/drawoutline.jpg)
![](./images/ed/ss/drawoutline.jpg)
Next I exported this as svg with these settings:
![](./images/ed/exportsvg.jpg)
![](./images/ed/ss/exportsvg.jpg)
I opened the svg in Adobe Illustrator, made new layers for the traces and outline respectively.
![](./images/ed/ai.jpg)
![](./images/ed/ss/ai.jpg)
Then, after checking that the model is in mm, exported both layers separately at 150dpi in png.
![](./images/ed/exportpng.jpg)
![](./images/ed/ss/exportpng.jpg)
#### Creating Toolpaths
......@@ -121,7 +121,7 @@ I followed the same process as [Electronics Production](./Electronics Production
But this time I used [Mods](http://mods.cba.mit.edu/) instead of Fabmodules. Here's the process:
![](./images/ed/mods.gif)
![](./images/ed/ss/mods.gif)
I could not fabricate this board because did not have access to a lab.
......
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