vtally
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An affordable and reliable Tally Light that works via WiFi based on NodeMCU / ESP8266. Supports multiple video mixers.
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Using WS2812, NeoPixel, etc
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<h1 id="tally">Tally<a class="headerlink" href="#tally" title="Permanent link">¶</a></h1>
<h2 id="tally-settingsini-reference">tally-settings.ini Reference<a class="headerlink" href="#tally-settingsini-reference" title="Permanent link">¶</a></h2>
<table>
<thead>
<tr>
<th>setting name</th>
<th>default</th>
<th>description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>station.ssid</code></td>
<td><strong>(required)</strong></td>
<td>The name of the WiFi that the Tally should connect to</td>
</tr>
<tr>
<td><code>station.password</code></td>
<td>(none)</td>
<td>The password to connect to the WiFi. If the WiFi has no password, leave it empty.</td>
</tr>
<tr>
<td><code>hub.ip</code></td>
<td><strong>(required)</strong></td>
<td>The IP address the hub is running on</td>
</tr>
<tr>
<td><code>hub.port</code></td>
<td><code>7411</code></td>
<td>The port where the hub listens.</td>
</tr>
<tr>
<td><code>tally.name</code></td>
<td>(chip id)</td>
<td>How you want <em>this</em> 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 <code>26</code> characters. Use of ASCII characters is recommended.</td>
</tr>
<tr>
<td><code>operator.type</code></td>
<td><code>grb+</code></td>
<td>How the pins for the operator light are driven. Use <code>grb+</code> when a <code>high</code> state signalizes <em>off</em> and <code>grb-</code> when a <code>low</code> state signalizes <em>off</em>.</td>
</tr>
<tr>
<td><code>operator.ws2812</code></td>
<td><code>5 grb</code></td>
<td>Number of WS2812 like LEDs in a strip that serve as operator lights. Has to be a number between <code>0</code> and <code>10</code>, followed by the order of the colors (<code>grb</code> or <code>rgb</code>). The operator lights are the first in the strip, followed by the stage lights.</td>
</tr>
<tr>
<td><code>stage.type</code></td>
<td><code>grb+</code></td>
<td>How the pins for the stage light are driven. Use <code>grb+</code> when a <code>high</code> state signalizes <em>off</em> and <code>grb-</code> when a <code>low</code> state signalizes <em>off</em>.</td>
</tr>
<tr>
<td><code>stage.ws2812</code></td>
<td><code>0 grb</code></td>
<td>Number of WS2812 like LEDs in a strip that serve as stage lights. Has to be a number between <code>0</code> and <code>10</code>, followed by the order of the colors (<code>grb</code> or <code>rgb</code>). The stage lights come right after the operator lights in the strip.</td>
</tr>
</tbody>
</table>
<h2 id="using-ws2812-neopixel-etc">Using WS2812, NeoPixel, etc<a class="headerlink" href="#using-ws2812-neopixel-etc" title="Permanent link">¶</a></h2>
<p>WS2812-compatible LED strips come with many names. Most common are <code>WS2812b</code> and <code>NeoPixel</code>. If you have
anything that says it is compatible with either of those, it will probably work.</p>
<p>Connect the strip to pin <code>D4</code>, the <code>+5V</code> and <code>GND</code> respectively.</p>
<p><img alt="connection of a WS2812 strip" src="images/tally-schematics-ws2812.png" /></p>
<p>By default the first <code>5</code> pixels in the strip will work as Operator Lights, the others stay dark.</p>
<p>The number of LEDs you want to use as Operator Lights and Stage Lights can be configured in
<code>tally-settings.ini</code> with the <code>operator.ws2812</code> and <code>stage.ws2812</code> settings.</p>
<p>In the example above, the correct configuration to drive 4 Operator Lights and 4 Stage Lights
would be</p>
<pre><code class="language-ini">operator.ws2812 = 4
stage.ws2812 = 4
</code></pre>
<div class="admonition info">
<p class="admonition-title">Order of LED lights</p>
<p>When wiring, please note, that the Operator Lights always come <em>before</em> the Stage Lights.</p>
</div>
<p>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.</p>
<p><img alt="connection of a WS2812 strip" src="images/tally-schematics-ws2812-rgb.png" /></p>
<p>The configuration for this example would be</p>
<pre><code class="language-ini">operator.ws2812 = 0
stage.ws2812 = 4
</code></pre>
<h2 id="using-leds-with-common-cathode">Using LEDs with common cathode<a class="headerlink" href="#using-leds-with-common-cathode" title="Permanent link">¶</a></h2>
<p>You can use an LED with a common cathode with the tally. First connect the common pin
to <code>GND</code> instead of <code>3V3</code> and then configure <code>tally-settings.ini</code> to drive the pins correctly.
If you skip this step the colors that should be on are off, and vice versa.</p>
<pre><code class="language-ini">operator.type = grb-
stage.type = grb-
</code></pre>
<p>You can also mix different RGB Led types for the Operator and Stage Light.</p>
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