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Site updated at 2017-03-19 21:04:28 UTC

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@ -66,7 +66,7 @@
</h1>
</header>
<hr class="divider">
<p>The <code class="highlighter-rouge">rflink</code> component support devices that use <a href="http://www.nemcon.nl/blog2/">Rflink gateway firmware</a>, for example the <a href="https://www.nodo-shop.nl/nl/21-rflink-gateway">Nodo Rflink Gateway</a>. Rflink gateway is an Arduino firmware that allows communication with 433 Mhz devices using cheap hardware (Arduino + 433 Mhz tranceiver).</p>
<p>The <code class="highlighter-rouge">rflink</code> component support devices that use <a href="http://www.nemcon.nl/blog2/">Rflink gateway firmware</a>, for example the <a href="https://www.nodo-shop.nl/nl/21-rflink-gateway">Nodo Rflink Gateway</a>. Rflink gateway is firmware for the Arduino MEGA 2560 that allows communication with 433 Mhz devices using cheap hardware (Arduino + 433 Mhz tranceiver).</p>
<p>The 433 Mhz spectrum is used by many manufacturers mostly using their own protocol/standard and includes devices like: light switches, blinds, weather stations, alarms and various other sensors.</p>
<p>A complete list of devices supported by Rflink can be found <a href="http://www.nemcon.nl/blog2/devlist">here</a></p>
<p>This component is tested with the following hardware/software:</p>
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<div class="language-bash highlighter-rouge"><pre class="highlight"><code><span class="gp">$ </span>socat /dev/ttyACM0,b57600 TCP-LISTEN:1234,reuseaddr
</code></pre>
</div>
<p>Other methods of exposing the serial interface over TCP are possible (eg: ESP8266 or using Arduino Wifi shield). Basically the serial stream should be directly mapped to the TCP stream.</p>
<p>Other methods of exposing the serial interface over TCP are possible (eg: ESP8266 or using Arduino Wifi shield). Essentially the serial stream should be directly mapped to the TCP stream.</p>
<p>Tested with Wifi serial bridge <a href="https://github.com/jeelabs/esp-link/releases/tag/v2.2.3">esp-link V2.2.3</a> running on a NodeMCU (ESP8266 Wifi module) with ESP8266 TXD0 (pin D10) and RXD0 (pin D9) connected to Arduino MEGA 2560 RX (Pin 2) and TX (Pin 3) respectively.</p>
<p class="note warning">
Due to different logical levels, a voltage level shifter is required between the 3.3V NodeMCU and 5V Arduino MEGA 2560 pins.
</p>
<p class="note">
When re-flashing the Arduino MEGA, disconnect the ESP8266 to avoid programming difficulties.
</p>
<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="c1"># Example configuration.yaml entry</span>
<span class="s">rflink</span><span class="pi">:</span>
<span class="s">host</span><span class="pi">:</span> <span class="s">192.168.0.10</span>