Laser/Lazzzorauth
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Hardware
Consists of:
- Raspberry Pi - Arduino - 16x2 LCD - OneWire (iButton suport) - 3 Leds for status indication - 1 Button - a 6-Port Network Switch
Software
2012-07-15-wheezy
Node.js
Arduino code
How
Hardware documentation
Datei:Lazzzorauth sensor.jpg
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.
Software documentation
- tbd (pitfalls, config, buildprocess)
Protocols
this is partially wrong and needs correction
Arduino SENDS:
| Code | Parameter | Expected reply | What does it mean | Example |
|---|---|---|---|---|
| I | <iButton ID> | A, N | IButton scanned | I:33-000000000000 |
| X | NONE | O | Lazzzor shutdown button hit (eXit) | X |
| P | NONE | P | Ping! /Heartbeat | P |
Raspberry sends:
| Code | Parameter | Expected reply | What does it mean | Example |
|---|---|---|---|---|
| A | <username> | NONE | Authenticated | A:OVERFLO |
| N | NONE | NONE | Not authenticated (invalid Button) | N |
| O | NONE | NONE | Off (in response to X) | O |
| P | NONE | NONE | Heartbeat / PING | P |
| E | <Error> | NONE | Some Error occured | E:Network down!
|
