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<!-- Attention authors: Do not edit directly. Please add your changes to the appropriate source repository -->
<h1 id="lg-tv-control-using-serial-protocol">LG TV control using serial protocol</h1>
<p>This binding can send some commands typically used by LG LCD TVs (and some used by projectors).</p>
<p>See below for a list of supported channels.
The binding does not support querying the current state from the TV, as this is not possible using the serial protocol.</p>
<h2 id="supported-things">Supported Things</h2>
<p>Supports one TV or projector per thing, also corresponding to a unique serial port.
The protocol supports daisy-chaining of serial devices, but this seems unlikely for home
applications, and this binding sends to the broadcast address.</p>
<p>The LG serial command set [1] appears to be similar on many models, but not all commands will work on all models.
Some TVs may have an alternative port type instead of a standard DB9 connector, and may thus require an adapter.
The serial port may be marked “Service only”.</p>
<p>Tested and developed for LG 55UF772V (with <a href="http://www.ebay.com/itm/DB9-9-Pin-Female-To-TRS-3-5mm-Male-Stereo-Serial-Data-Converter-Cable-1-8M-6Ft-/291541959764?">this cable adapter</a>).</p>
<h2 id="discovery">Discovery</h2>
<p>No discovery supported, manual configuration is required.
The thing may be configured through the Paper UI.</p>
<h2 id="thing-configuration">Thing Configuration</h2>
<p>It is necessary to specify the serial port device used for communication.
On Linux systems, this will usually be either <code class="highlighter-rouge">/dev/ttyS0</code>, <code class="highlighter-rouge">/dev/ttyUSB0</code> or <code class="highlighter-rouge">/dev/ttyACM0</code> (or a higher number than <code class="highlighter-rouge">0</code> if multiple devices are present).
On Windows it will be <code class="highlighter-rouge">COM1</code>, <code class="highlighter-rouge">COM2</code>, etc.</p>
<h2 id="channels">Channels</h2>
<ul>
<li>On/off</li>
<li>Input: Select video input: HDMI, Component, ect.</li>
<li>Volume</li>
<li>Mute</li>
<li>Backlight brightness: Supports 100 levels of brightness for LCD panels.</li>
<li>Color temperature: Choose among 3 color temperatures, Warm, Normal and Cool.</li>
</ul>
<h2 id="lg-protocol-references">LG protocol references</h2>
<p>[1]
64d0e42294