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<!--Page_Content--> | <!--Page_Content--> | ||
<div class="container content"> | <div class="container content"> | ||
− | + | <div class="headstyle"> | |
+ | <h1 class="head">Thermometer DS18B20</h1> | ||
+ | </div> | ||
+ | <div class="righttitle"> | ||
+ | <h6 class="subtitle"></h6> | ||
+ | </div> | ||
<div class="navbar-example"> | <div class="navbar-example"> | ||
<div class="row"> | <div class="row"> | ||
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<div data-spy="scroll" data-target="#sidelist" data-offset="0" class="scrollspy-example"> | <div data-spy="scroll" data-target="#sidelist" data-offset="0" class="scrollspy-example"> | ||
<div class="container"> | <div class="container"> | ||
− | + | <img class="contentimg col-12" src="https://static.igem.org/mediawiki/2018/f/fa/T--NCKU_Tainan--temp_sensor.jpg"> | |
− | + | <p class="pcontent"> | |
+ | In this section, we are showing how to use DS18B20 one wire water proof | ||
+ | thermometer. | ||
+ | </p> | ||
<div id="Motivation"> | <div id="Motivation"> | ||
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<h3>Motivation</h3></br> | <h3>Motivation</h3></br> | ||
<div id="pt"> | <div id="pt"> | ||
<p class="pcontent"> | <p class="pcontent"> | ||
− | + | <I>E. coli</I> is temperature sensitive. According to the | |
experiment, it grows the best in 37°C (99°F), and its acceptable range is about | experiment, it grows the best in 37°C (99°F), and its acceptable range is about | ||
− | + | 22°C to 40°C (72°F to 104°F). Therefore, we need a thermometer to monitor the medium's temperature to ensure the <i>E. coli</i> works well in the reactor. | |
− | + | ||
</p> | </p> | ||
</div> | </div> | ||
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<div id="Experiments"> | <div id="Experiments"> | ||
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<h3>Experiments</h3></br> | <h3>Experiments</h3></br> | ||
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<ul> | <ul> | ||
− | <li> | + | <li class="none">As the buffer solution wouldn’t change too much in the |
environment, we used the buffer solution to calibrate the pH meter to | environment, we used the buffer solution to calibrate the pH meter to | ||
− | ensure that the deviation would the same every time.</li></br> | + | ensure that the deviation would be the same every time.</li></br> |
</ul> | </ul> | ||
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<ul> | <ul> | ||
− | <li>We put our | + | <li class="none">We put our thermometer into the incubator. We wire the sensor |
with the LCD to keep it closed.</li></br> | with the LCD to keep it closed.</li></br> | ||
</ul> | </ul> | ||
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<li>Result</li></br> | <li>Result</li></br> | ||
<ul> | <ul> | ||
− | <li>We placed the sensor in an environment of incubator 37 degrees, and the | + | <li class="none">We placed the sensor in an environment of incubator 37 degrees celsius, and the |
− | temperature measured by the LCD display sensor was 37.06 degrees. The | + | temperature measured by the LCD display sensor was 37.06 degrees celsius. The |
error is | error is | ||
− | 0.06 degrees, which we think | + | 0.06 degrees celsius, which we think it's not a big error. But in order to make the |
− | + | measure | |
− | temperature more | + | temperature more accurately, we designed Experiment 2 - Temperature |
experimental | experimental | ||
curve fitting.</li></br> | curve fitting.</li></br> | ||
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<li>Purpose</li></br> | <li>Purpose</li></br> | ||
<ul> | <ul> | ||
− | <li>Since the error value of the temperature sensing device is not | + | <li class="none">Since the error value of the temperature sensing device is not |
necessarily, we use multiple sampling methods, and then average the | necessarily, we use multiple sampling methods, and then average the | ||
values measured in each temperature interval to reduce the error value | values measured in each temperature interval to reduce the error value | ||
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<ul> | <ul> | ||
− | <li>We use the above method to take 150 strokes as training data, and use | + | <li class="none">We use the above method to take 150 strokes as training data, and use |
the basic accessories of MATLAB to find the appropriate nine | the basic accessories of MATLAB to find the appropriate nine | ||
temperature model formulas.</li></br> | temperature model formulas.</li></br> | ||
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<ul> | <ul> | ||
− | <li>We found a | + | <li class="none">We found a temperature curve of 7th order to reduce its error. (You can |
see more | see more | ||
information in <a href="https://2018.igem.org/Team:NCKU_Tainan/Software#Temperature" | information in <a href="https://2018.igem.org/Team:NCKU_Tainan/Software#Temperature" | ||
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<li>Arduino UNO</li></br> | <li>Arduino UNO</li></br> | ||
− | <li>DS18B20 | + | <li>DS18B20 thermometer</li> |
<ol type="a"> | <ol type="a"> | ||
<li>Power supply range is 3.0V to 5.5V</li> | <li>Power supply range is 3.0V to 5.5V</li> | ||
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<div id="Wiring"> | <div id="Wiring"> | ||
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<h3>Wiring</h3></br> | <h3>Wiring</h3></br> | ||
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<div class="reference" id="Reference"> | <div class="reference" id="Reference"> | ||
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<h3>Reference</h3></br> | <h3>Reference</h3></br> | ||
<ol> | <ol> | ||
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</div> | </div> | ||
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</div> | </div> | ||
</div> | </div> | ||
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<style> | <style> | ||
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.head { | .head { | ||
− | width: | + | width: 60% !important; |
} | } | ||
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.list-group-item { | .list-group-item { | ||
margin: 10px 0 !important; | margin: 10px 0 !important; | ||
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$(document).ready(function () { | $(document).ready(function () { | ||
$(window).scroll(function () { | $(window).scroll(function () { | ||
− | if ($(this).scrollTop() >= | + | if ($(this).scrollTop() >= 500) { |
var position = $("#sidelist").position(); | var position = $("#sidelist").position(); | ||
if (position == undefined) {} else { | if (position == undefined) {} else { |
Latest revision as of 21:31, 17 October 2018
Thermometer DS18B20