add hardware design: AWS IoT ExpressLink Demo Badge

README.md

@@ -10,6 +10,9 @@ Information about AWS IoT ExpressLink and partner's hardware modules can be foun
 
 The user guides can be found under the folder [cloud_templates/user_guides](cloud_templates/user_guides).
 
+## Hardware Designs
+
+The **AWS IoT ExpressLink Demo Badge hardware design**, with full schematics and PCB layout files, is available under the [hardware designs folder](./hardware-designs/).
 
 ## Security
 

hardware-designs/DemoBadge/.gitignore

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+# For PCBs designed using KiCad: http://www.kicad-pcb.org/
+# Format documentation: http://kicad-pcb.org/help/file-formats/
+
+# Temporary files
+*.000
+*.bak
+*.bck
+*.kicad_pcb-bak
+*.kicad_sch-bak
+*.kicad_pro-bak
+*.kicad_prl
+*.sch-bak
+*~
+_autosave-*
+*.tmp
+*-save.pro
+*-save.kicad_pcb
+fp-info-cache
+*-backups/
+\#auto_saved_files#
+
+# Netlist files (exported from Eeschema)
+*.net
+
+# Autorouter files (exported from Pcbnew)
+*.dsn
+*.ses
+
+######
+
+Generated/

hardware-designs/DemoBadge/README.md

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+# AWS IoT ExpressLink Demo Badge
+
+This device was designed and created for the [AWS IoT ExpressLink Demo Badge Workshop](https://catalog.workshops.aws/aws-iot-expresslink-demo-badge/), which was run at re:Invent 2022.
+
+The Demo Badge features an RP2040 microcontroller, an Espressif ESP32-C3-MINI-1-A AWS IoT ExpressLink module, various sensors, buttons, RGB LEDs, and a color display.
+
+You can find more information about the device itself, and its components, as part of the [workshop appendix](https://catalog.workshops.aws/aws-iot-expresslink-demo-badge/en-US/7-appendix).
+
+![AWS IoT ExpressLink Demo Badge frontside and backside of fully assembled device](demo-badge.png)
+
+## Schematic
+
+The schematic for the Demo Badge is available as KiCAD 6 project. You can access a [PDF version of the single-sheet schematic here](./snapshot/Schematic/aws-iot-expresslink-demo-badge-schematic.pdf).
+
+## PCB Layout
+
+The PCB layout for the Demo Badge is available as KiCAD 6 project, including all footprints (publicly available ones, and custom ones).
+
+You can access the [production Gerber files here](./snapshot/Manufacturers/JLCPCB/).
+
+## Re-generate Gerbers and other files
+
+If you made any changes to the PCB layout, you have to re-generate the Gerbers files before sending them to your PCB manufacturer. You can use [KiBot](https://github.com/INTI-CMNB/KiBot) to generate Gerbers and other files in a repeatable way using the `kibot.yaml` configuration file.
+
+You can follow the KiBot installation guide, or use a Docker container:
+
+```bash
+docker run --rm -v "$PWD":/kicad -w /kicad setsoft/kicad_auto:ki6 kibot -c kibot.yaml
+```
+
+All KiBot-generated files are available under `Generated/`.
+
+## License
+
+This hardware design is licensed under the MIT-0 License. Imported footprints and 3D models might contain different licenses.