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<!--Page_Content--> | <!--Page_Content--> | ||
<div class="container content"> | <div class="container content"> | ||
− | + | <div class="headstyle"> | |
+ | <h1 class="head">pH Meter</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/f2/T--NCKU_Tainan--pH_sensor.jpg"> | ||
<p class="pcontent"> | <p class="pcontent"> | ||
About this section, we are showing how to use the pH meter in arduino. | About this section, we are showing how to use the pH meter in arduino. | ||
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<ul> | <ul> | ||
− | <li>Because the buffer solution wouldn’t change too much in the | + | <li class="none">Because 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 be the same every time.</li></br> | ensure that the deviation would be the same every time.</li></br> | ||
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</br> | </br> | ||
− | <li>Write the offset value into code, upload the code into Arduino | + | <li>Write the offset value into code, and then upload the code into Arduino |
again.</li> | again.</li> | ||
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</br> | </br> | ||
− | <li>After rinsing the pH meter, insert it into pH 4 buffer | + | <li>After rinsing the pH meter, we will insert it into pH 4 buffer |
solution.</li></br> | solution.</li></br> | ||
− | <li>If it is found to be too different from the error of pH | + | <li>If it is found to be too different from the error of pH 4, you |
should adjust the knob. | should adjust the knob. | ||
− | After inserting pH | + | After inserting pH 4, it is found that the error with pH 4 is very |
large.</li> | large.</li> | ||
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<li>Purpose</li></br> | <li>Purpose</li></br> | ||
<ul> | <ul> | ||
− | <li>We assume that pH 4 to 7 is linear, so we want to verify | + | <li class="none">We assume that pH 4 to 7 is linear, so we want to verify |
whether it is linear between pH | whether it is linear between pH | ||
4 to 7. By measuring the solution of pH 4.7, compare its | 4 to 7. By measuring the solution of pH 4.7, compare its | ||
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<ul> | <ul> | ||
− | <li> | + | <li class="none">Mix a solution with pH=4.7 and measure with a calibrated pH |
meter.</li></br> | meter.</li></br> | ||
</ul> | </ul> | ||
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<ul> | <ul> | ||
− | <li>After inserting the solution with pH=4.7, we found that the | + | <li class="none">After inserting the solution with pH=4.7, we found that the |
value was stable at pH 4.83 | value was stable at pH 4.83 | ||
with an error of about 0.13, which roughly met the error of | with an error of about 0.13, which roughly met the error of | ||
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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 21:30, 17 October 2018