<?xml version="1.0" encoding="UTF-8" ?>
<?xml-stylesheet type="text/xsl" href="https://community.element14.com/cfs-file/__key/system/syndication/atom.xsl" media="screen"?><feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en-US"><title type="html">Blog</title><subtitle type="html" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/atom</id><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog" /><link rel="self" type="application/atom+xml" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/atom" /><generator uri="http://telligent.com" version="12.1.9.35025">Telligent Community (Build: 12.1.9.35025)</generator><updated>2020-08-24T00:48:25Z</updated><entry><title>Fire Extinguisher Car</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/fire-extinguisher-car" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/fire-extinguisher-car</id><published>2020-10-15T10:11:45Z</published><updated>2020-10-15T10:11:45Z</updated><content type="html">Hello Everyone,My name is Harji Nagi.I am currently a second year student studying electronics and communication engineering from Pranveer Singh Institute Of Technology,Kanpur(UP).I have a keen interest in robotics,arduino,Artificial Intelligence and...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/fire-extinguisher-car"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=10058&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>harjinagi</name><uri>https://community.element14.com/members/harjinagi</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /></entry><entry><title>Smart Solar Lighting Project - LED Intensity Control System</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/smart-solar-lighting-project---led-intensity-control-system" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/smart-solar-lighting-project---led-intensity-control-system</id><published>2020-10-14T21:37:15Z</published><updated>2020-10-14T21:37:15Z</updated><content type="html">I have been blogging on a smart solar lighting system that I have been developing for the past two months (&lt;a class="jive-link-blog-small" href="https://www.element14.com/community/people/genebren/blog/2020/08/11/smart-solar-lighting-porject"&gt;Smart Solar Lighting Project - Initial design ideas&lt;/a&gt; , &lt;a class="jive-link-blog-small" href="https://www.element14.com/community/people/genebren/blog/2020/08/12/smart-solar-lighting-project-detailed-design"&gt;Smart Solar Lighting Project - Detailed design&lt;/a&gt; , &lt;a class="jive-link-blog-small" href="https://www.element14.com/community/people/genebren/blog/2020/08/20/smart-solar-lighting-project-meachanical-designs"&gt;Smart Solar Lighting Project - Mechanica...&lt;/a&gt;(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/smart-solar-lighting-project---led-intensity-control-system"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=10044&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>genebren</name><uri>https://community.element14.com/members/genebren</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /></entry><entry><title>What's cooking with that reflow oven of yours (part 2)</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/what-s-cooking-with-that-reflow-oven-of-yours-part-2" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/what-s-cooking-with-that-reflow-oven-of-yours-part-2</id><published>2020-10-14T17:00:19Z</published><updated>2020-10-14T17:00:19Z</updated><content type="html">This blog is a continuation from Part 1.&amp;nbsp;&lt;a class="jive-link-blog-small" href="/challenges-projects/project14/controlsystems/b/blog/posts/what-s-cooking-with-that-reflow-oven-of-yours-part-1"&gt;What&amp;#39;s cooking with that reflow oven of yours (part 1)&lt;/a&gt;&amp;nbsp;
&lt;a class="jive-link-anchor-small" href="#jive_content_id_Let_the_experimentation_begin"&gt;Let the experimentation begin&lt;/a&gt;

&lt;a class="jive-link-anchor-small" href="#jive_content_id_Insulating_to_reduce_energyheat_loss"&gt;Insulating to reduce energy/heat loss&lt;/a&gt;


&lt;a class="jive-link-anchor-small" href="#jive_content_id_Using_a_Solid_State_relay_SSR_for_Halogen_Lamp_control"&gt;Using a Solid State relay (SSR) for Halogen Lamp control&lt;/a&gt;


&lt;a class="jive-link-anchor-small" href="#jive_content_id_Some_prelim_testing_to_develop_some_heating_profile_control_logic"&gt;Some prelim t...&lt;/a&gt;(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/what-s-cooking-with-that-reflow-oven-of-yours-part-2"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=10047&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>BigG</name><uri>https://community.element14.com/members/bigg</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /></entry><entry><title>Yummy yogurt with temperature control</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/yummy-yogurt-with-temperature-control" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/yummy-yogurt-with-temperature-control</id><published>2020-10-14T14:44:36Z</published><updated>2020-10-14T14:44:36Z</updated><content type="html">&lt;a href="/challengesprojects/project14/"&gt;&lt;/a&gt;&lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/project14/sensors/"&gt;Sensors&lt;/a&gt;Enter Your Electronics &amp;amp; Design Project for a chance to win a $200 shopping cart!&lt;a class="" href="https://www.element14.com/community/blog/create-post!input.jspa?containerType=37&amp;amp;containerID=18104&amp;amp;tags=sensorsch" title="Submit an Entry"&gt;Submit an Entry&lt;/a&gt;&lt;a class="" href="https://www.element14.com/community/create-account.jspa?ICID=p14DCH-nanorama-doc" title="Submit an Entry"&gt;Submit an Entry&lt;/a&gt;&lt;a href="/challengesprojects/project14/"&gt;&amp;nbsp; Back to homepage &lt;/a&gt;&lt;a class="jive-link-community-small" href="/challengesprojects/project14/"&gt;Project14 Home&lt;/a&gt;&lt;a class="jive-link-wiki-small" href="/challenges-projects/project14/w/documents/3370/project14-project-competition-events-trophies-timetable-projected-and-historical-timelines"&gt;Monthly Themes&lt;/a&gt;&lt;a class="jive-link-wiki-small" href="/challenges-projects/project14/w/documents/20670/project14-you-decide-the-next-monthly-project-competition"&gt;Monthly Theme Poll&lt;/a&gt;&amp;nbsp;&lt;a href="https://community.element14.com/resized-image/__size/980x400/__key/communityserver-blogs-components-weblogfiles/00-00-00-02-70/3286.contentimage_5F00_145949.png"&gt;&lt;/a&gt;&amp;nbsp;IntroductionThis project aims to create a yogu...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/yummy-yogurt-with-temperature-control"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=10013&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>redcharly</name><uri>https://community.element14.com/members/redcharly</uri></author><category term="ntc" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/ntc" /><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /><category term="sensorsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/sensorsch" /><category term="arduino mega" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/arduino%2bmega" /></entry><entry><title>OpenWindow: open-source car electric window controller</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/openwindow-open-source-car-electric-window-controller" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/openwindow-open-source-car-electric-window-controller</id><published>2020-10-13T09:53:00Z</published><updated>2020-10-13T09:53:00Z</updated><content type="html">Introduction:
Some time ago, I replaced the electric window mechanism in the driver&amp;#39;s door of my car.&amp;nbsp; The new part was of a different design to the old, and had no controller - just a 2-wire motor. Universal electric window controllers that do ...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/openwindow-open-source-car-electric-window-controller"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=10037&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>apreed</name><uri>https://community.element14.com/members/apreed</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /><category term="car" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/car" /><category term="autohacksch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/autohacksch" /><category term="controlsystem" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystem" /><category term="electric window" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/electric%2bwindow" /><category term="efm8bb2" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/efm8bb2" /><category term="controlsystemch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemch" /><category term="efm8" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/efm8" /></entry><entry><title>What's cooking with that reflow oven of yours (part 1)</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/what-s-cooking-with-that-reflow-oven-of-yours-part-1" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/what-s-cooking-with-that-reflow-oven-of-yours-part-1</id><published>2020-10-08T19:53:00Z</published><updated>2020-10-08T19:53:00Z</updated><content type="html">



&lt;a class="jive-link-anchor-small" href="#jive_content_id_Introduction"&gt;Introduction&lt;/a&gt;
&lt;a class="jive-link-anchor-small" href="#jive_content_id_Measuring_what_needs_to_be_controlled"&gt;Measuring what needs to be controlled&lt;/a&gt;

&lt;a class="jive-link-anchor-small" href="#jive_content_id_Slow_cooker_test_results"&gt;Slow cooker test results&lt;/a&gt;
&lt;a class="jive-link-anchor-small" href="#jive_content_id_The_Specific_Heat_Capacity_of_a_Slow_Cooker"&gt;The Specific Heat Capacity of a Slow Cooker&lt;/a&gt;


&lt;a class="jive-link-anchor-small" href="#jive_content_id_Introducing_another_heat_source"&gt;Introducing another heat source&lt;/a&gt;



&amp;nbsp;
&amp;nbsp;
Introduction
Now that I&amp;#39;ve passed the design-a-PCB-and-get- it-made phase,...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/what-s-cooking-with-that-reflow-oven-of-yours-part-1"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=9996&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>BigG</name><uri>https://community.element14.com/members/bigg</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /></entry><entry><title>Running in circles ? Make it perfect circles with regulators</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/running-in-circles-make-it-perfect-circles-with-regulators" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/running-in-circles-make-it-perfect-circles-with-regulators</id><published>2020-10-07T00:20:00Z</published><updated>2020-10-07T00:20:00Z</updated><content type="html">
Try to run a 2 motor robot in a perfect circle by itself.......It wont&amp;nbsp; :-(
&amp;nbsp;
There are many variables that prevent perfection:
wheel friction, wheel motor speed mismatches, gear backlash, wheel slip,
wheel diameter mismatches, varying bat...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/running-in-circles-make-it-perfect-circles-with-regulators"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=9976&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>robogary</name><uri>https://community.element14.com/members/robogary</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /></entry><entry><title>Compressor Air Pressure Regulator Control</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/compressor-air-pressure-regulator-control" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/compressor-air-pressure-regulator-control</id><published>2020-09-14T22:13:00Z</published><updated>2020-09-14T22:13:00Z</updated><content type="html">
&lt;a href="https://community.element14.com/resized-image/__size/1200x899/__key/communityserver-blogs-components-weblogfiles/00-00-00-02-70/5148.contentimage_5F00_143372.jpg"&gt;&lt;/a&gt;
&amp;nbsp;
The other day I came across this interesting circuit board in one of my bins. It is the electronic control board for a dental operatory delivery system. The Operatory Delivery System is where the drills and tools are hanging. A control like ...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/compressor-air-pressure-regulator-control"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=9867&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>jw0752</name><uri>https://community.element14.com/members/jw0752</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /></entry><entry><title>Exploring Linear Voltage Regulation</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/exploring-linear-voltage-regulation" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/exploring-linear-voltage-regulation</id><published>2020-09-12T03:13:00Z</published><updated>2020-09-12T03:13:00Z</updated><content type="html">
Recently I have been trying to follow a thread where John Wiltrout is providing advice on how to fix a broken power supply without access to the schematic and equipment.&amp;nbsp; How he does this I do not know.&amp;nbsp; He may have a database of power sup...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/exploring-linear-voltage-regulation"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=9852&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>fmilburn</name><uri>https://community.element14.com/members/fmilburn</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /><category term="op-amp" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/op_2D00_amp" /><category term="power supply" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/power%2bsupply" /><category term="zener" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/zener" /><category term="project14" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/project14" /><category term="dc power supplies" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/dc%2bpower%2bsupplies" /><category term="power supplies" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/power%2bsupplies" /></entry><entry><title>Simple Electronic Control Systems - Current Control with 1 JFET</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/simple-electronic-control-systems---current-control-with-1-jfet" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/simple-electronic-control-systems---current-control-with-1-jfet</id><published>2020-09-11T10:38:00Z</published><updated>2020-09-11T10:38:00Z</updated><content type="html">




This is a second post for the Project14 &lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/project14/controlsystems/"&gt;Control Systems&lt;/a&gt; theme. Probably also the simplest possible entry: a Constant Current Driver with one (1) other active element. &lt;a class="jive-link-blog-small" href="/challenges-projects/project14/controlsystems/b/blog/posts/simple-electronic-control-systems---current-control-with-1-transistor"&gt;In the previous post&lt;/a&gt; it was a bipolar transistor. This time a JFET.
&amp;nbsp;
The...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/simple-electronic-control-systems---current-control-with-1-jfet"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=9854&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>Jan Cumps</name><uri>https://community.element14.com/members/jancumps</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /><category term="artofelectronics" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/artofelectronics" /></entry><entry><title>Auto-tuning high current dual-channel motor control unit.</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/auto-tuning-high-current-dual-channel-motor-control-unit" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/auto-tuning-high-current-dual-channel-motor-control-unit</id><published>2020-09-11T10:30:00Z</published><updated>2020-09-11T10:30:00Z</updated><content type="html">
Hi folks, We developed a single module that performs the tasks of dual motor control and thereby making it simpler by implementing auto-tuning and motor control algorithms that support high current drive applications. The module is designed to suppo...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/auto-tuning-high-current-dual-channel-motor-control-unit"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=9855&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>shreyasborse</name><uri>https://community.element14.com/members/shreyasborse</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /><category term="arduino-ide" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/arduino_2D00_ide" /><category term="matlab" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/matlab" /><category term="hardwarehackingch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/hardwarehackingch" /><category term="system control" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/system%2bcontrol" /><category term="project14" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/project14" /><category term="pid" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/pid" /><category term="simulink" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/simulink" /><category term="current sensor" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/current%2bsensor" /><category term="system" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/system" /></entry><entry><title>Home Air Quality Control System</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/home-air-quality-control-system" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/home-air-quality-control-system</id><published>2020-09-08T03:19:00Z</published><updated>2020-09-08T03:19:00Z</updated><content type="html">



&lt;a class="jive-link-anchor-small" href="#jive_content_id_Introduction"&gt;Introduction&lt;/a&gt;
&lt;a class="jive-link-anchor-small" href="#jive_content_id_BOM"&gt;BOM&lt;/a&gt;
&lt;a class="jive-link-anchor-small" href="#jive_content_id_How_It_Works"&gt;How It Works&lt;/a&gt;
&lt;a class="jive-link-anchor-small" href="#jive_content_id_Acquire__Process_Sensor_Data"&gt;Acquire &amp;amp; Process Sensor Data&lt;/a&gt;
&lt;a class="jive-link-anchor-small" href="#jive_content_id_Communicate_with_ecobee"&gt;Communicate with ecobee&lt;/a&gt;
&lt;a class="jive-link-anchor-small" href="#jive_content_id_Test"&gt;Test&lt;/a&gt;
&lt;a class="jive-link-anchor-small" href="#jive_content_id_Reference"&gt;Reference&lt;/a&gt;



&amp;nbsp;
Introduction
&amp;nbsp;
This post is for Project14 September 2020 theme &lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/project14/controlsystems/"&gt;Control Systems&lt;/a&gt;. My project is a simple on/off control system. It...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/home-air-quality-control-system"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=9834&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>cmelement14</name><uri>https://community.element14.com/members/cmelement14</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /><category term="environment click board" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/environment%2bclick%2bboard" /><category term="bsec" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/bsec" /><category term="bme680" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/bme680" /><category term="controlsystemch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemch" /></entry><entry><title>Simple Electronic Control Systems - Current Control with 1 transistor</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/simple-electronic-control-systems---current-control-with-1-transistor" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/simple-electronic-control-systems---current-control-with-1-transistor</id><published>2020-09-06T14:42:00Z</published><updated>2020-09-06T14:42:00Z</updated><content type="html">




This post is for the Project14 &lt;a class="jivecontainerTT-hover-container jive-link-community-small" href="/challengesprojects/project14/controlsystems/"&gt;Control Systems&lt;/a&gt; theme. Probably the simplest possible entry: a Constant Current Driver with one (1) active element.
&amp;nbsp;
Control systems can be complex. With a number of analogue or digital components to keep a c...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/simple-electronic-control-systems---current-control-with-1-transistor"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=9832&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>Jan Cumps</name><uri>https://community.element14.com/members/jancumps</uri></author><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /><category term="artofelectronics" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/artofelectronics" /></entry><entry><title>Fresh Air - HVAC</title><link rel="alternate" type="text/html" href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/fresh-air---hvac" /><id>https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/fresh-air---hvac</id><published>2020-08-24T05:48:25Z</published><updated>2020-08-24T05:48:25Z</updated><content type="html">Fresh Air for a building due to Covid-19.&amp;nbsp;I would like to add fresh air to the furnace air return to improve the air quality within a building.&amp;nbsp; I would like to design the system to control CO2 using an incremental approach. Using a Raspber...(&lt;a href="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/posts/fresh-air---hvac"&gt;read more&lt;/a&gt;)&lt;img src="https://community.element14.com/aggbug?PostID=9773&amp;AppID=270&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</content><author><name>mfetting</name><uri>https://community.element14.com/members/mfetting</uri></author><category term="hvac" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/hvac" /><category term="controlsystemsch" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/controlsystemsch" /><category term="relay control" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/relay%2bcontrol" /><category term="motor control applications" scheme="https://community.element14.com/challenges-projects/project14/controlsystems/b/blog/archive/tags/motor%2bcontrol%2bapplications" /></entry></feed>