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WiFi Engine order telegraph – 3D printable model from Thingiverse Thingiverse
WiFi Engine order telegraph – Bild 1 WiFi Engine order telegraph – Bild 2 WiFi Engine order telegraph – Bild 3 WiFi Engine order telegraph – Bild 4 WiFi Engine order telegraph – Bild 5 WiFi Engine order telegraph – Bild 6
Electronics

WiFi Engine order telegraph

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This mini engine order telegraph is intended to set a home automation system in a specific "mode". The device has 5 positions; the actual position will be sent through mqtt, where it can be picked up by home automation systems.

The positions on the dial are populated with 6x6 3.1mm-13mm SPST switches (these can be bought in batches of 100 pieces from your favourite online sellers). The switches are monitored by a Wemos d1 mini, which updates an mqtt topic when the lever position changes. The simple firmware can be found [here](https://github.com/DannyHavenith/Telegraph).

The telegraph was mounted on a cardboard box that I had lying around (mobile phone boxes are typically sturdy enough).
Category
Electronics
Source
Thingiverse
Published
What you need to print this: Advanced Low confidence
Why?
100-part assembly
100 parts to assemble
Supports 1/3
Assembly 3/3
Settings 1/3
Bed size 0/3
Post-process 1/3
Printer
FDM / FFF
File format
STL
Material
Post-processing
Gluing
Software
Cura, PrusaSlicer, or similar
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