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diff --git a/blog/index.html b/blog/index.html index 28bb01f..433141a 100644 --- a/blog/index.html +++ b/blog/index.html @@ -186,13 +186,7 @@ pulse a few tens of milliseconds long that is enough to actuate the solenoid.</p <div class="document"> -<p>After the multichannel LED driver was completed, I was just getting used to controlling LEDs at 14-bit resolution. I liked the board we designed in this project, but at 32 channels it was a bit large for most use cases. Sometimes I just want to pop a piece of LED tape or two somewhere, but I don't need a full 32 channels of control. I ended up thinking that a smaller version of the 32-channel driver that didn't require a separate control computer would be handy. So I sat down and designed a variant of the design with only 8 channels instead of 32 and an on-board ESP8266 module instead of the <a href="#system-message-1"><span class="problematic" id="problematic-1">RS485_</span></a> transceiver for WiFi connectivity.</p> -<div class="system-messages section"> -<h2>Docutils System Messages</h2> -<div class="system-message" id="system-message-1"> -<p class="system-message-title">System Message: ERROR/3 (<tt class="docutils"><stdin></tt>, line 1); <em><a href="#problematic-1">backlink</a></em></p> -Unknown target name: "rs485".</div> -</div> +<p>After the multichannel LED driver was completed, I was just getting used to controlling LEDs at 14-bit resolution. I liked the board we designed in this project, but at 32 channels it was a bit large for most use cases. Sometimes I just want to pop a piece of LED tape or two somewhere, but I don't need a full 32 channels of control. I ended up thinking that a smaller version of the 32-channel driver that didn't require a separate control computer would be handy. So I sat down and designed a variant of the design with only 8 channels instead of 32 and an on-board ESP8266 module instead of the RS485 transceiver for WiFi connectivity.</p> </div> <a href="http://jaseg.de/blog/wifi-led-driver/">Read more</a> </div> @@ -204,13 +198,7 @@ Unknown target name: "rs485".</div> <div class="document"> -<p>Recently, I have been working on a <a href="#system-message-1"><span class="problematic" id="problematic-1">`small driver`_</span></a> for ambient lighting using 12V LED strips like you can get inexpensively from China. I wanted to be able to just throw one of these somewhere, stick down some LED tape, hook it up to a small transformer and be able to control it through Wifi. When I was writing the firmware, I noticed that when fading between different colors, the colors look <em>all wrong</em>! This observation led me down a rabbit hole of color perception and LED peculiarities.</p> -<div class="system-messages section"> -<h2>Docutils System Messages</h2> -<div class="system-message" id="system-message-1"> -<p class="system-message-title">System Message: ERROR/3 (<tt class="docutils"><stdin></tt>, line 1); <em><a href="#problematic-1">backlink</a></em></p> -Unknown target name: "small driver".</div> -</div> +<p>Recently, I have been working on a small driver for ambient lighting using 12V LED strips like you can get inexpensively from China. I wanted to be able to just throw one of these somewhere, stick down some LED tape, hook it up to a small transformer and be able to control it through Wifi. When I was writing the firmware, I noticed that when fading between different colors, the colors look <em>all wrong</em>! This observation led me down a rabbit hole of color perception and LED peculiarities.</p> </div> <a href="http://jaseg.de/blog/led-characterization/">Read more</a> </div> |