{"id":37597,"date":"2020-10-27T17:47:24","date_gmt":"2020-10-27T09:47:24","guid":{"rendered":"\/blog\/?p=37597"},"modified":"2020-10-27T17:47:26","modified_gmt":"2020-10-27T09:47:26","slug":"thermistors-ntc-and-ptc-thermistors-explained","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2020\/10\/27\/thermistors-ntc-and-ptc-thermistors-explained\/","title":{"rendered":"Thermistors: NTC and PTC Thermistors Explained"},"content":{"rendered":"\n<p>The thermistor is one of many options to measure and detect temperature, from transportation to manufacturing, it is nothing new to utilize a thermistor to collect temperature data! But have you ever wondered what are the different variants of thermistors and their applications? Today we shall answer that question!<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/10\/Thermistors_-NTC-and-PTC-Thermistors-Explained-1030x579.png\" alt=\"Thermistors: NTC and PTC Thermistors Explained\" class=\"wp-image-37615\" width=\"530\" height=\"298\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Thermistors_-NTC-and-PTC-Thermistors-Explained-1030x579.png 1030w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Thermistors_-NTC-and-PTC-Thermistors-Explained-300x169.png 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Thermistors_-NTC-and-PTC-Thermistors-Explained-768x432.png 768w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Thermistors_-NTC-and-PTC-Thermistors-Explained-1536x864.png 1536w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Thermistors_-NTC-and-PTC-Thermistors-Explained-2048x1152.png 2048w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Thermistors_-NTC-and-PTC-Thermistors-Explained-1024x576.png 1024w\" sizes=\"(max-width: 530px) 100vw, 530px\" \/><\/figure><\/div>\n\n\n\n<p>Before we can jump right into our main dish today, you are recommended to read these articles on basic concepts related to thermistors:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.seeedstudio.com\/blog\/2020\/09\/22\/resistors-pull-up-and-pull-down-resistors\/\">Resistors <\/a><\/li><li><a href=\"https:\/\/www.seeedstudio.com\/blog\/2020\/09\/22\/what-happens-in-an-electric-circuit-voltage-vs-current\/\">Electricity<\/a>: Current, Voltage<\/li><li><a href=\"https:\/\/www.seeedstudio.com\/blog\/2020\/09\/25\/electronics-circuit-voltage-dividers\/\">Circuits<\/a><\/li><li><a href=\"https:\/\/blog.seeedstudio.com\/blog\/2020\/09\/25\/electronics-circuit-voltage-dividers\/\">Voltage Divider<\/a><\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>Putting that aside, we can now talk about Thermistors! Let&#8217;s look at what will be covered in this article:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Overview of Thermistors <\/li><li>NTC vs PTC Thermistors<\/li><li>Relationships and Calculations<\/li><li>Applications of Thermistors <\/li><li>Projects with Thermistors<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Overview of Thermistors<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What is a Thermistor?<\/h3>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>A <strong>thermistor<\/strong> is an amalgamation of two words: Thermal and Resistor, which literally makes it a temperature-sensitive resistor! It&#8217;s that simple, it is basically a resistor but it&#8217;s a special kind of resistors.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/epci.eu\/wp-content\/uploads\/2019\/10\/NTC-Thermistor.jpg\" alt=\"\" width=\"370\" height=\"208\"\/><figcaption>Ref:<a href=\"https:\/\/epci.eu\/wp-content\/uploads\/2019\/10\/NTC-Thermistor.jpg\"> epci<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">How does Thermistor work?<\/h3>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Just like its name, thermistors are temperature-dependent resistors. Which means it would react to the slightest change in temperature. So how does it react to temperature? <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/circuitglobe.com\/wp-content\/uploads\/2017\/08\/thermistor-bead.jpg\" alt=\"\"\/><figcaption>Ref: <a href=\"https:\/\/circuitglobe.com\/wp-content\/uploads\/2017\/08\/thermistor-bead.jpg\">Circuit globe<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>A thermistor is made with a semiconductor and an insulator, where resistance could be found between the insulator and conductor. A sintered mixture of metallic oxides, such as iron, uranium, copper etc is typically chosen, along with an insulator coating the semiconductor. It is available in different forms as well! Usually in the form of bead, disk and rod.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Types of Thermistors<\/h3>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>We have listed quite a few types of thermistors here, but NTC and PTC are moer commonly utilised:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Negative Temperature Coefficient (NTC) Thermistor<\/h4>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-thermistor.png\" alt=\"\" width=\"208\" height=\"208\"\/><figcaption>Ref: <a href=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-thermistor.png\">electronics-tutorial<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>The NTC is the most commonly used thermistor, especially the 10K\u03a9 NTC thermistor. It is also popular due to its reliability and quick response. Some of the characteristics it possesses are:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Resistance decreases as temperature increases.<\/li><li>Resists current to produce heat as the byproduct.<\/li><li>Correction can be applied to sensed values to maintain accuracy.<\/li><li>Has a self-heating effect at low temperatures.<\/li><\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Positive Temperature Coefficient (PTC) Thermistor<\/h4>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/5.imimg.com\/data5\/OY\/KD\/KE\/ANDROID-84033806\/product-jpeg-500x500.jpg\" alt=\"\" width=\"219\" height=\"219\"\/><figcaption>Ref:<a href=\"https:\/\/5.imimg.com\/data5\/OY\/KD\/KE\/ANDROID-84033806\/product-jpeg-500x500.jpg\"> indiamart<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>The PTC has a totally opposite usage than an NTC, though they are not as commonly used, they are usually used for self-regulating heating elements\/self-resetting purposes. Some of the characteristics it possesses are:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Resistance increases as the temperature increases.<\/li><li>Acts as a throttle in a circuit.<\/li><li>Exhibits a sudden increase in resistance above a defined temperature.<\/li><\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Thermocouple<\/h4>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/images-na.ssl-images-amazon.com\/images\/I\/81S%2BM9K2hBL._SX342_.jpg\" alt=\"\" width=\"284\" height=\"284\"\/><figcaption>Ref: <a href=\"https:\/\/images-na.ssl-images-amazon.com\/images\/I\/81S%2BM9K2hBL._SX342_.jpg\">amazon<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>Thermocouple is a temperature sensor that has two wires of different metals connected at two points. They also have the widest temperature rang amongst all the temperature sensors! <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Low accuracy: 0.5 \u00b0C to 5 \u00b0C<\/li><li>Nonlinear, requires conversion<\/li><li>Wide temperature range: -200 \u00b0C to 1750 \u00b0C<\/li><li>Used as temperature sensors in thermostats, safety device for gas-powered appliances<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">NTC vs PTC Thermistors<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"\"><tbody><tr><td><strong>Thermistors<\/strong><\/td><td><strong>NTC<\/strong><\/td><td><strong>PTC<\/strong><\/td><\/tr><tr><td><strong>Temperature coefficient<\/strong><\/td><td>Negative (-ve)<\/td><td>Positive (+ve)<\/td><\/tr><tr><td><strong>Metal Oxides<\/strong><\/td><td>Nickel, iron, manganese, titanium, cobalt<\/td><td>Strontium titanate, barium-, lead-<\/td><\/tr><tr><td><strong>Temperature Range<\/strong><\/td><td>-55\u00b0C to 200\u00b0C <\/td><td>60\u00b0C to 120\u00b0C<\/td><\/tr><tr><td><strong>Applications<\/strong><\/td><td>Temperature sensing and control,  flow measurement etc.<\/td><td>Over-current protection, self-regulating heater etc.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Relationships and Calculations<\/h2>\n\n\n\n<p>Since we&#8217;ve talked about NTC and RTC resistors earlier, let&#8217;s look at their relationship using a graph to represent:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/enercorp.com\/wp-content\/uploads\/2020\/07\/NTC-vs-PTC-Thermistors-graph.jpg.webp\" alt=\"\"\/><figcaption>Ref: <a href=\"https:\/\/enercorp.com\/wp-content\/uploads\/2020\/07\/NTC-vs-PTC-Thermistors-graph.jpg.webp\">enercorp<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>As you can tell from the graph, they have opposing curves which show their temperature coefficient. For NTC, the resistance decreases when the temperature increases. For PTC, the resistance increases when the temperature increases.<\/p>\n\n\n\n<p>Their respective symbols can also be represented this way:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/10\/Add-a-subheading-1030x579.png\" alt=\"\" class=\"wp-image-37610\" width=\"389\" height=\"219\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Add-a-subheading-1030x579.png 1030w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Add-a-subheading-300x169.png 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Add-a-subheading-768x432.png 768w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Add-a-subheading-1536x864.png 1536w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Add-a-subheading-2048x1152.png 2048w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/10\/Add-a-subheading-1024x576.png 1024w\" sizes=\"(max-width: 389px) 100vw, 389px\" \/><figcaption>Ref: <a href=\"https:\/\/eepower.com\/resistor-guide\/resistor-types\/thermistor\/#\">eepower<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">How to measure temperature using a Thermistor?<\/h3>\n\n\n\n<p>As we all know till this point, thermistors are resistive devices and a tool to measure temperatures. So how do we go about using it? It&#8217;s pretty simple, you can actually use thermistor in a voltage divider circuit! <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-io109.gif\" alt=\"\" width=\"225\" height=\"204\"\/><figcaption>Ref: <a href=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-io109.gif\">electronics-tutorials<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>For instance, if you use a standard 10k\u03a9 thermistor with a series resistor of 10k\u03a9, the output voltage at the base temperature of 25-degree celsius will be half the supply voltage as 10\u03a9\/(10\u03a9+10\u03a9) = 0.5.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Steinhart-Hart Equation <\/h3>\n\n\n\n<p>The Steinhart-Hart equation helps to model thermistor temperatures easily and accurately. It was generally used in the past before the existence of computers, nowadays it can be calculated automatically using the software!<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>The equation is as shown:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-io105.gif\" alt=\"\"\/><figcaption>Ref: <a href=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-io106.gif\">electronics-tutorials<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>Where,<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>T1 = First temperature point in Kelvin (SI Unit of Temperature)<\/li><li>T2 = Second temperature point in Kelvin<\/li><li>R1 = Resistance of thermistors at T1 in Ohms<\/li><li>R2 = Resistance of thermistors at T2 in Ohms<\/li><\/ul>\n\n\n\n<p>To help you understand how to utilise it manually, let&#8217;s look at an example!<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Question<\/strong>: A 10k\u03a9 NTC thermistor has a B value of 3455 between the temperature range of 25oC and 100oC. Calculate its resistive value at 25-degree celsius and again at 100oC.<\/p>\n\n\n\n<p>Now, the info we have is B = 3455, R1 = 10k\u03a9 at 25-degree celsius. However, we need kelvin instead of degree celsius, so adding 273.15k to the original 25-degree celsius. Slot in all the values and it should look as such:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-io106.gif\" alt=\"\" width=\"439\" height=\"370\"\/><figcaption>Ref: <a href=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-io106.gif\">electronics-tutorials<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>With the answer, you can then plot a two-point characteristics graph: <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-io107.gif\" alt=\"\"\/><figcaption>Ref: <a href=\"https:\/\/www.electronics-tutorials.ws\/wp-content\/uploads\/2018\/05\/io-io107.gif\">electronics-tutorials<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>Note: Even though only two-points are plotted, but in actual experiments, the more temperature points you plot, the more accurate your reading is going to be!<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Applications of Thermistors<\/h2>\n\n\n\n<p>Though thermistors are a very specific type of resistors, and mainly helps to regulate temperatures, some of us actually use them every day!<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Microwave<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hips.hearstapps.com\/hmg-prod.s3.amazonaws.com\/images\/610ptyvekxl-sl1000-1563196528.jpg?crop=1.00xw:0.502xh;0,0.200xh&amp;resize=640:*\" alt=\"\" width=\"506\" height=\"253\"\/><figcaption>Ref: <a href=\"https:\/\/hips.hearstapps.com\/hmg-prod.s3.amazonaws.com\/images\/610ptyvekxl-sl1000-1563196528.jpg?crop=1.00xw:0.502xh;0,0.200xh&amp;resize=640:*\">Good housekeeping<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>I&#8217;m sure this is a very common home applicant and we often use it to reheat overnight or microwavable foods before! Thermistors (or specifically PTCs) are used in microwaves in order to determine and maintain its internal temperature. Without it, overheating may occur and could lead to fire hazards!<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Digital Thermometers <\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/images-na.ssl-images-amazon.com\/images\/I\/31cwn25NTEL._AC_SY400_.jpg\" alt=\"\" width=\"269\" height=\"237\"\/><figcaption>Ref: <a href=\"https:\/\/images-na.ssl-images-amazon.com\/images\/I\/31cwn25NTEL._AC_SY400_.jpg\">amazon<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>Speaking of thermistors, how can you not talk about thermometers? Well, specifically digital ones. The other type of thermometer is mercury thermometers, which uses mercury instead of a thermistor. Digital thermistors use NTCs which measures the temperature and displays the readings accurately!<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Projects with Thermistors<\/h2>\n\n\n\n<p>Now that we know how thermistors work, we can move on to some fun projects to utilize your thermistors!<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.electroschematics.com\/cold-sensor\/\">Cold Sensor Circuit<\/a><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.electroschematics.com\/wp-content\/uploads\/2010\/03\/TEMP-ALARM.png?w=200\" alt=\"\" width=\"306\" height=\"229\"\/><figcaption>Ref: <a href=\"https:\/\/www.electroschematics.com\/wp-content\/uploads\/2010\/03\/TEMP-ALARM.png?w=200\">electroschematics<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>Interested in a thermistor circuit to help you monitor the temperature of your fridge? This project would allow you to learn how thermistors monitor the temperature level in a controlled environment, with the help of other electronic components!<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>What you&#8217;ll need:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>NTC Thermistor<\/li><li>2 LEDs (Red and yellow)<\/li><li>Buzzer<\/li><li>Batteries<\/li><li>4 resistors<\/li><li>Wires<\/li><\/ul>\n\n\n\n<p>For a more detailed diagram and information, click <a href=\"https:\/\/www.electroschematics.com\/cold-sensor\/\">here<\/a>!<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/create.arduino.cc\/projecthub\/iasonas-christoulakis\/make-an-arduino-temperature-sensor-thermistor-tutorial-b26ed3\">Make an Arduino Temperature Sensor<\/a><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hackster.imgix.net\/uploads\/attachments\/1093728\/_4y4rsC9X6W.blob?auto=compress%2Cformat&amp;w=900&amp;h=675&amp;fit=min\" alt=\"\" width=\"449\" height=\"337\"\/><figcaption>Ref: <a href=\"https:\/\/hackster.imgix.net\/uploads\/attachments\/1093728\/_4y4rsC9X6W.blob?auto=compress%2Cformat&amp;w=900&amp;h=675&amp;fit=min\">Arduino<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>If you own an Arduino and would like to wire your thermistor, This basic thermistor tutorial is simple and beginner-friendly! Moreover, the tutorial also includes some of the basic knowledge of thermistors and calculations!<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>What you&#8217;ll need:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.seeedstudio.com\/Arduino-Uno-Rev3-p-2995.html\">Arduino UNO<\/a><\/li><li>Jumper wires<\/li><li><a href=\"https:\/\/www.seeedstudio.com\/Grove-LCD-RGB-Backlight.html\">LCD RGB Backlight <\/a><\/li><li>Resistor (100k Ohm)<\/li><li>Single turn potentiometer (100k Ohm)<\/li><\/ul>\n\n\n\n<p>Sounds interesting? Learn more <a href=\"https:\/\/create.arduino.cc\/projecthub\/iasonas-christoulakis\/make-an-arduino-temperature-sensor-thermistor-tutorial-b26ed3\">here<\/a>!<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Summary<\/h2>\n\n\n\n<p>And that&#8217;s all on thermistors! Did you learn something new? We talked about PTC and NTC thermistors, their relationships and Steinhart-hart equation. Hope that through this article, you&#8217;re able to utilise thermistors in your projects!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The thermistor is one of many options to measure and detect temperature, from transportation to<\/p>\n","protected":false},"author":3529,"featured_media":37615,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"iawp_total_views":0,"footnotes":""},"categories":[1],"tags":[142,1371,2076,1114],"class_list":["post-37597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-open-hardware","tag-resistors","tag-thermistor","tag-voltage-divider"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Thermistors: NTC and PTC Thermistors Explained - Latest News from Seeed Studio<\/title>\n<meta name=\"description\" content=\"The thermistor is one of many options to measure and detect temperature, from transportation to manufacturing, it is nothing new to utilize a thermistor to collect temperature data! 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