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As follow up to the VWS-Demo Project a demonstration stand has been designed with Fusion 360 to showcase all components of the project in a nice way.
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As follow up to the VWS-Demo Project a demonstration stand has been designed with Fusion 360 to showcase all components of the project in a nice way. The demonstration stand is interactive and displays data recorded by the [installed sensors](https://gitlab.hrz.tu-chemnitz.de/vws-demo/vws-spielwiese/-/wikis/follow-up/Sensors) on a small [Display](https://gitlab.hrz.tu-chemnitz.de/vws-demo/vws-spielwiese/-/wikis/follow-up/Display).
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The demonstration stand is interactive and displays data recorded by the [installed sensors](https://gitlab.hrz.tu-chemnitz.de/vws-demo/vws-spielwiese/-/wikis/follow-up/Sensors) on a small [Display](https://gitlab.hrz.tu-chemnitz.de/vws-demo/vws-spielwiese/-/wikis/follow-up/Display). |
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### Design Criteria
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The demonstration stand was designed with respect to various design criteria. These criteria include accessibility, controllability, mobility, cleanliness and availability.
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To Enhance the controllability the demo stand was designed with big button control buttons in the left corner. That way users can interact with the demo as described in [Demonstration Controller](https://gitlab.hrz.tu-chemnitz.de/vws-demo/vws-spielwiese/-/wikis/What-am-I-looking-at-here#demonstration-controller). The general layout of the buttons was changed to have a better appearance and structure than the original prototype layout. The functionality of each button is described on the demonstration stand plate and therefore increases the accessibility and controllability.
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In order for the demonstrator plate to be mobile while carried around a frame out of aluminum profiles was designed and attached to the plate. That way the whole demo setup is both easily moveable and stable.
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For each device attached on the demo plate cable holes were designed to hide the connections between the devices. On top of that a PoE Switch and PoE Hats for all Raspberry Pi were used for the setup to reduce the total amount of cables needed. That way the demonstration setup looks more clean and well-structured.
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The setup is also intended to work for a longer period of time, which makes availability a design criteria and had to be considered. Overall the power consumption of the setup is very low and each PoE Hat on each Raspberry Pi has an additional fan to provide sufficient air flow, even when the setup is turned on for a long time.
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### Demonstration Stand Components
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- 16 port PoE Switch
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- up to 10 Raspberry Pis
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- up to 8 ESP32
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- up to 4 Raspberry Pi Nano
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- 9 LED Buttons
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- 4 Status LEDs
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- 1 Status Display
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- 1 Wifi AP (mounted on the back) |
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