{"id":29718,"date":"2020-02-23T22:13:34","date_gmt":"2020-02-23T14:13:34","guid":{"rendered":"\/blog\/?p=29718"},"modified":"2020-02-23T22:13:35","modified_gmt":"2020-02-23T14:13:35","slug":"how-to-use-mcp9808-i2c-temperature-sensor-with-arduino","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2020\/02\/23\/how-to-use-mcp9808-i2c-temperature-sensor-with-arduino\/","title":{"rendered":"How to use MCP9808 I2C Temperature Sensor with Arduino"},"content":{"rendered":"\n<p>When it comes to temperature sensors for Arduino, we tend to think of DS18B20. However, the MCP9808 is one of the more accurate\/precise temperature sensing options we&#8217;ve ever seen as well thanks to its wide operating range and precision of +0.0625\u00b0C. Additionally, this temperature sensor works great with Arduino with its I2C communication protocol! <\/p>\n\n\n\n<p>Hence, it&#8217;s safe to say that we&#8217;ll have to check out what it&#8217;s all about in today&#8217;s post, alongside an Arduino guide to help you get started immediately!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Introduction to MCP9808<\/strong><\/h2>\n\n\n\n<p>We&#8217;ve established earlier that the MCP9808 I2C Temperature Sensor is a precise\/accurate option, but there&#8217;s more that it has to offer. It comes with user-programmable registers, that allow for user-selectable settings (E.g. Low-power or Shutdown modes), providing flexibility for your temperature sensing applications. <\/p>\n\n\n\n<p>Being a digital temperature sensor, it easily converts temperature of  -20\u00b0C and +100\u00b0C  to a digital word for easy microcontroller readings.<\/p>\n\n\n\n<p><strong>For its features, you have:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Reading accuracy of:<ul><li>\u00b10.25 (typical) from -40\u00b0C to +125\u00b0C <\/li><li>\u00b10.5\u00b0C (maximum) from -20\u00b0C to 100\u00b0C<\/li><li>\u00b11\u00b0C (maximum) from -40\u00b0C to +125\u00b0C <\/li><\/ul><\/li><li>As mentioned user-selectable measurement resolution:<ul><li>+0.5\u00b0C, +0.25\u00b0C, +0.125\u00b0C, +0.0625\u00b0C <\/li><\/ul><\/li><li>User-programmable temperature limits:<ul><li>Temperature window and critical temperature limits<\/li><\/ul><\/li><li>Typical operating voltage range of  2.7V to 5.5V <\/li><li>Typical operating current of  200\u00b5A  <\/li><\/ul>\n\n\n\n<p><strong>For its applications, you can use the MCP9808 for:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>General temperature sensing projects<\/li><li>Industrial usages such as freezers, refrigerators, food processing units<\/li><li>Personal computers and servers<\/li><li>Consumer electronics<\/li><li>Handheld\/Portable Devices <\/li><li>PC Peripherals<\/li><\/ul>\n\n\n\n<p style=\"background-color:#f4fff4\" class=\"has-background\">If you&#8217;re interested to find out the full features and schematics of the MCP9808, you can refer to the datasheet <a href=\"https:\/\/github.com\/SeeedDocument\/Grove-I2C_High_Accuracy_Temperature_Sensor-MCP9808\/raw\/master\/res\/MCP9808_datasheet.pdf\">here!<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Getting Started with MCP9808<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/media-cdn.seeedstudio.com\/media\/catalog\/product\/cache\/ab187aaa5f626ad16c8031644cd2de5b\/h\/t\/httpsstatics3.seeedstudio.comseeedfile2018-08bazaar896473_img_0079a.jpg\" alt=\"\" width=\"397\" height=\"297\"\/><figcaption> <strong><a href=\"https:\/\/www.seeedstudio.com\/Grove-I2C-High-Accuracy-Temperature-Sensor-MCP9808.html?utm_source=blog&amp;utm_medium=blog\">Grove &#8211; I2C High Accuracy Temperature Sensor(MCP9808)<\/a><\/strong> <\/figcaption><\/figure><\/div>\n\n\n\n<p>In order to get started with the MCP9808 sensor, you\u2019ll first need a module that\u2019s based on it. There are a number of breakout boards, modules, etc. on the market but today, I\u2019ll be recommending the  <strong><a href=\"https:\/\/www.seeedstudio.com\/Grove-I2C-High-Accuracy-Temperature-Sensor-MCP9808.html?utm_source=blog&amp;utm_medium=blog\">Grove &#8211; I2C High Accuracy Temperature Sensor(MCP9808)<\/a><\/strong> here at Seeed!<\/p>\n\n\n\n<p><strong>First, a look at its features:<\/strong><\/p>\n\n\n\n<p>Since it\u2019s an MCP9808 integrated module, you\u2019ll see similarities:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>High Accuracy\u00b10.25 (typical) from -40\u00b0C to +125\u00b0C\u00b10.5\u00b0C (maximum) from -20\u00b0C to 100\u00b0C\u00b11\u00b0C (maximum) from -40\u00b0C to +125\u00b0C<\/li><li>User-Selectable Measurement Resolution+0.5\u00b0C, +0.25\u00b0C, +0.125\u00b0C, +0.0625\u00b0C<\/li><li>User-Programmable Temperature Alert Output<\/li><li>I<sup>2<\/sup>C interface<\/li><\/ul>\n\n\n\n<p><strong>Why pick this MCP9808 module instead of other breakout boards?<\/strong><\/p>\n\n\n\n<p style=\"background-color:#f2fff3\" class=\"has-background\"><strong>Ease of pairing MCP9808 with Arduino through Seeed\u2019s very own\u00a0<a href=\"https:\/\/www.seeedstudio.com\/document\/pdf\/Introduction%20to%20Grove.pdf\">Grove system<\/a><\/strong><\/p>\n\n\n\n<p>Grove system is Seeed very own initiative, mainly aimed at helping users like yourself to easily use different modules, through our plug and play system!<\/p>\n\n\n\n<p><strong>This means no more using messy and complicated jumper wires, soldering, breadboard, or debugging electronic circuits!<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/02\/adafruit_products_wiring.jpg\" alt=\"\" data-id=\"29720\" data-full-url=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/02\/adafruit_products_wiring.jpg\" data-link=\"\/blog\/?attachment_id=29720\" class=\"wp-image-29720\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/adafruit_products_wiring.jpg 800w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/adafruit_products_wiring-300x225.jpg 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/adafruit_products_wiring-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"blocks-gallery-item__caption\">MCP9808 Breakout Board Wiring with Arduino<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" width=\"1024\" height=\"760\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/02\/Grove-product-wiring.jpg\" alt=\"\" data-id=\"29719\" data-link=\"\/blog\/?attachment_id=29719\" class=\"wp-image-29719\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/Grove-product-wiring.jpg 1024w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/Grove-product-wiring-300x223.jpg 300w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/Grove-product-wiring-768x570.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"blocks-gallery-item__caption\">Grove MCP9808 Sensor Wiring with Arduino<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>Like how our Grove &#8211;  <strong>I2C High Accuracy Temperature Sensor(MCP9808)<\/strong> offers a much simpler pairing with Arduino as compared to the breakout board option on the left? <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Well, All you need is a\u00a0<a href=\"https:\/\/www.seeedstudio.com\/Base-Shield-V2.html?utm_source=blog&amp;utm_medium=blog\">Grove Base Shield<\/a>\u00a0alongside your Arduino and you\u2019re good to go! Switch to using grove today!<\/strong><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Grove &#8211; I2C High Accuracy Temperature Sensor(MCP9808) Arduino Guide<\/strong><\/h2>\n\n\n\n<p>Now that you&#8217;ve seen how simple the pairing it is with Arduino, Here&#8217;s the step-by-step tutorial to help you get started!<\/p>\n\n\n\n<p>Note: This module is compatible with other microcontrollers but users have to write their own software library as it\u2019s not possible to provide software library\/demo code for all platforms<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What you&#8217;ll need:<\/h3>\n\n\n\n<figure class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/02\/seeeduino-v4.2-2.jpg\" alt=\"\" data-id=\"29721\" data-link=\"\/blog\/?attachment_id=29721\" class=\"wp-image-29721\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/seeeduino-v4.2-2.jpg 700w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/seeeduino-v4.2-2-300x225.jpg 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"blocks-gallery-item__caption\"><a href=\"http:\/\/www.seeedstudio.com\/Seeeduino-V4.2-p-2517.html?utm_source=blog&amp;utm_medium=blog\">Seeeduino V4.2<\/a><\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/02\/Grove-Base-Shield-2.jpg\" alt=\"\" data-id=\"29722\" data-link=\"\/blog\/?attachment_id=29722\" class=\"wp-image-29722\" srcset=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/Grove-Base-Shield-2.jpg 700w, https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/Grove-Base-Shield-2-300x225.jpg 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"blocks-gallery-item__caption\"><a href=\"https:\/\/www.seeedstudio.com\/Base-Shield-V2-p-1378.html?utm_source=blog&amp;utm_medium=blog\">Grove &#8211; Base Shield<\/a><\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"210\" height=\"157\" src=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/02\/grove-i2c-high-accuracy-temperature-sensor.jpg\" alt=\"\" data-id=\"29723\" data-full-url=\"https:\/\/blog.seeedstudio.com\/wp-content\/uploads\/2020\/02\/grove-i2c-high-accuracy-temperature-sensor.jpg\" data-link=\"\/blog\/?attachment_id=29723\" class=\"wp-image-29723\"\/><figcaption class=\"blocks-gallery-item__caption\"><a href=\"https:\/\/www.seeedstudio.com\/Grove-I2C-High-Accuracy-Temperature-Sensor%28MCP9808%29-p-3108.html?utm_source=blog&amp;utm_medium=blog\">Grove &#8211; I2C High Accuracy Temperature Sensor (MCP9808)<\/a><\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>Seeeduino is Seeed\u2019s very own Arduino board, built with relative benefits over the original<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>If you do not wish to purchase a Seeeduino, this tutorial is still applicable for the following Arduino boards: Arduino UNO, Arduino Mega, Arduino Leonardo, Arduino 101, Arduino Due<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Hardware Configurations:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>Step 1: Connect the Grove &#8211; I2C High Accuracy Temperature Sensor (MCP9808) to port I2C of Grove &#8211; Base Shield<\/li><li>Step 2: Plug the Grove &#8211; Base Shield into Seeeduino<\/li><li>Step 3: Connect Seeeduino to PC via a USB cable<\/li><\/ul>\n\n\n\n<p>It should look something like this after completing the above steps:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/github.com\/SeeedDocument\/Grove-I2C_High_Accuracy_Temperature_Sensor-MCP9808\/raw\/master\/img\/connect.jpg\" alt=\"\" width=\"379\" height=\"280\"\/><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Software Configurations with Arduino Code:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>Step 1: Download the <a href=\"https:\/\/github.com\/Seeed-Studio\/Grove_Temperature_sensor_MCP9808\">Grove MCP9808<\/a> library from Github<\/li><li>Step 2: Install Arduino Library<ul><li>If you&#8217;re unsure on how to install library,  refer to our guide <a href=\"http:\/\/wiki.seeedstudio.com\/How_to_install_Arduino_Library\">here<\/a><\/li><\/ul><\/li><li>Step 3: Restart the Arduino IDE, open example via the path: File -> Examples -> Grove Temperature Sensor MCP9808 -> MCP9808_demo_with_limit<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/github.com\/SeeedDocument\/Grove-I2C_High_Accuracy_Temperature_Sensor-MCP9808\/raw\/master\/img\/demo_path.jpg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Step 4: Upload the demo<ul><li>If you&#8217;re unsure on how to upload the code, do refer to our guide <a href=\"http:\/\/wiki.seeedstudio.com\/Upload_Code\/\">here<\/a><\/li><\/ul><\/li><li>Step 5: Open the Serial Monitor of Arduino IDE by clicking Tool -> Serial Monitor. Or click on CTRL+Shift+M key at the same time. <\/li><\/ul>\n\n\n\n<p>You should then achieve the following result:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sensor init!!\ntemperature value is: 29.31\ntemperature value is: 29.31\ntemperature value is: 29.31\ntemperature value is: 29.25\ntemperature value is: 29.25\ntemperature value is: 29.25\ntemperature value is: 29.25\ntemperature value is: 29.25\ntemperature value is: 29.19\ntemperature value is: 29.25<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong> Using the ALE\u00a0Pad <\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/github.com\/SeeedDocument\/Grove-I2C_High_Accuracy_Temperature_Sensor-MCP9808\/raw\/master\/img\/pin_map_back.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>This MCP9808 module has 3 sets of ALE pads on the back of the PCB as you can see from the pinout above. If you&#8217;re interested on how you can use it, do refer to our wiki page <a href=\"http:\/\/wiki.seeedstudio.com\/Grove-I2C_High_Accuracy_Temperature_Sensor-MCP9808\/\">here!<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Summary<\/strong><\/h2>\n\n\n\n<p>Overall, the MCP9808 sensor is an excellent choice for your temperature-sensing needs. Being a digital temperature sensor with high precision, you wouldn&#8217;t have to worry about not achieving accurate results for your Microcontroller Projects!<\/p>\n\n\n\n<p>However, to experience MCP9808, you\u2019ll need a module for pairings with an Arduino or Raspberry Pi. Hence, I highly recommend the\u00a0<strong><a href=\"https:\/\/www.seeedstudio.com\/Grove-I2C-High-Accuracy-Temperature-Sensor-MCP9808.html?utm_source=blog&amp;utm_medium=blog\">Grove &#8211; I2C High Accuracy Temperature Sensor(MCP9808)<\/a><\/strong> simply with its ease of pairing when compared to other MCP9808 breakout boards!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When it comes to temperature sensors for Arduino, we tend to think of DS18B20. However,<\/p>\n","protected":false},"author":2850,"featured_media":29727,"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":[6,1572,1239],"class_list":["post-29718","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-arduino","tag-ds18b20","tag-temperature-sensor"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to use MCP9808 I2C Temperature Sensor with Arduino - Latest News from Seeed Studio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.seeedstudio.com\/blog\/2020\/02\/23\/how-to-use-mcp9808-i2c-temperature-sensor-with-arduino\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to use MCP9808 I2C Temperature Sensor with Arduino - Latest News from Seeed Studio\" \/>\n<meta property=\"og:description\" content=\"When it comes to temperature sensors for Arduino, we tend to think of DS18B20. However,\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.seeedstudio.com\/blog\/2020\/02\/23\/how-to-use-mcp9808-i2c-temperature-sensor-with-arduino\/\" \/>\n<meta property=\"og:site_name\" content=\"Latest News from Seeed Studio\" \/>\n<meta property=\"article:published_time\" content=\"2020-02-23T14:13:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-02-23T14:13:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.seeedstudio.com\/blog\/wp-content\/uploads\/2020\/02\/mcp9808-guide.png\" \/>\n\t<meta property=\"og:image:width\" content=\"936\" \/>\n\t<meta property=\"og:image:height\" content=\"550\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Shawn\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Shawn\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.seeedstudio.com\/blog\/2020\/02\/23\/how-to-use-mcp9808-i2c-temperature-sensor-with-arduino\/\",\"url\":\"https:\/\/www.seeedstudio.com\/blog\/2020\/02\/23\/how-to-use-mcp9808-i2c-temperature-sensor-with-arduino\/\",\"name\":\"How to use MCP9808 I2C Temperature Sensor with Arduino - 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