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Consists of:

- Seagate Dockstar (because the raspberry pi SD-cards died several times)
- Arduino
- RGB 16x2 LCD
- OneWire (iButton suport)
- 1 Button
- a 6-Port Network Switch


dockstar linux distro from usb stick

Node.js Server / Database

Arduino code (because there was a spare arduino laying around..)


Hardware documentation

Breadboard aufbau (made with fritzing)
The hall effect sensor + Preamp

There is a hall effect sensor placed right over the valve of the airassist.

This valve is opened to enable a static airflow as soon as a laserjob starts and is disabled when the job ends.

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All states are now handled by the embedded system.

The Arduino only displays what the ELS sends it.

The arduino sends ibutton scans and pushbutton events.


  1. GIT - Arduino source
  2. GIT - Dockstar linux mods +scripts
  3. GIT - Node.js application