wifi-tally_Oostendam/wifi-tally/documentation/docs/tally.md
Eljakim Herrewijnen 50b5fc1824 Initial commit
2021-09-27 21:52:27 +02:00

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# Tally
## tally-settings.ini Reference
| setting name | default | description |
| --- | --- | --- |
| `station.ssid` | **(required)** |The name of the WiFi that the Tally should connect to |
| `station.password` | (none) | The password to connect to the WiFi. If the WiFi has no password, leave it empty. |
| `hub.ip` | **(required)** | The IP address the hub is running on |
| `hub.port` | `{{ tally_default_port }}` | The port where the hub listens. |
| `tally.name` | (chip id) | How you want _this_ tally to be labeled in the hub. This name needs to be unique amongst all tallies in your network. It must not be longer than `26` characters. Use of ASCII characters is recommended. |
| `operator.type` | `grb+` | How the pins for the operator light are driven. Use `grb+` when a `high` state signalizes _off_ and `grb-` when a `low` state signalizes _off_. |
| `operator.ws2812` | `5` | Number of WS2812 like LEDs in a strip that serve as operator lights. Has to be a number between `0` and `10`. The operator lights are the first in the strip, followed by the stage lights. |
| `stage.type` | `grb+` | How the pins for the stage light are driven. Use `grb+` when a `high` state signalizes _off_ and `grb-` when a `low` state signalizes _off_. |
| `stage.ws2812` | `0` | Number of WS2812 like LEDs in a strip that serve as stage lights. Has to be a number between `0` and `10`. The stage lights come right after the operator lights in the strip. |
## Using WS2812, NeoPixel, etc
WS2812-compatible LED strips come with many names. Most common are `WS2812b` and `NeoPixel`. If you have
anything that says it is compatible with either of those, it will probably work.
Connect the strip to pin `D4`, the `+5V` and `GND` respectively.
![connection of a WS2812 strip](images/tally-schematics-ws2812.png)
By default the first `5` pixels in the strip will work as Operator Lights, the others stay dark.
The number of LEDs you want to use as Operator Lights and Stage Lights can be configured in
`tally-settings.ini` with the `operator.ws2812` and `stage.ws2812` settings.
In the example above, the correct configuration to drive 4 Operator Lights and 4 Stage Lights
would be
````ini
operator.ws2812 = 4
stage.ws2812 = 4
````
!!! info "Order of LED lights"
When wiring, please note, that the Operator Lights always come _before_ the Stage Lights.
It is also possible to combine WS2812 strips and RGB Leds in one setup as all pins are driven
simultaneously. You could, for instance use a single RGB LED as the operator light and a
WS2812 strip for the stage light.
![connection of a WS2812 strip](images/tally-schematics-ws2812-rgb.png)
The configuration for this example would be
````ini
operator.ws2812 = 0
stage.ws2812 = 4
````
## Using LEDs with common cathode
You can use an LED with a common cathode with the tally. First connect the common pin
to `GND` instead of `3V3` and then configure `tally-settings.ini` to drive the pins correctly.
If you skip this step the colors that should be on are off, and vice versa.
````ini
operator.type = grb-
stage.type = grb-
````
You can also mix different RGB Led types for the Operator and Stage Light.