{"id":14450,"date":"2016-04-02T10:48:14","date_gmt":"2016-04-02T09:48:14","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=14450"},"modified":"2016-04-02T10:48:14","modified_gmt":"2016-04-02T09:48:14","slug":"using-the-dht11-humiditytemperature-sensor-with-the-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=14450","title":{"rendered":"Using the DHT11 humidity\/temperature sensor with the Raspberry Pi"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/i2.wp.com\/www.circuitbasics.com\/wp-content\/uploads\/2015\/12\/How-to-Set-Up-the-DHT11-Humidity-Sensor-on-the-Raspberry-Pi-DHT11-Output-to-LCD.jpg\" alt=\"\" width=\"3264\" height=\"2448\" \/><\/p>\n<p>The <a href=\"https:\/\/makersify.com\/products\/adafruit-dht11-basic-temperature-humidity-sensor-extras\" target=\"_blank\">DHT11 temperature and humidity sensor<\/a> is an inexpensive sensor. It has a +\/- 2 degree variance, so it&#8217;s not suitable for high-precision use-cases (for that you need the <a href=\"https:\/\/makersify.com\/products\/adafruit-dht22-temperature-humidity-sensor-extras\" target=\"_blank\">DHT22<\/a>). Over at Circuit Basics, they&#8217;ve written a <a href=\"http:\/\/www.circuitbasics.com\/how-to-set-up-the-dht11-humidity-sensor-on-the-raspberry-pi\/\" target=\"_blank\">tutorial<\/a> which will get you started with the sensor. They&#8217;ve included code for both C and Python (using an <a href=\"https:\/\/github.com\/adafruit\/Adafruit_Python_DHT\" target=\"_blank\">Adafruit library<\/a>) and also highlighted how to display it to a small LCD screen (as pictured). <a href=\"http:\/\/www.circuitbasics.com\/how-to-set-up-the-dht11-humidity-sensor-on-the-raspberry-pi\/\" target=\"_blank\">Read how to do it here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The DHT11 temperature and humidity sensor is an inexpensive sensor. It has a +\/- 2 degree variance, so it&#8217;s not suitable for high-precision use-cases (for that you need the DHT22). Over at Circuit Basics, they&#8217;ve written a tutorial which will&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=14450\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[62,51],"tags":[],"class_list":["post-14450","post","type-post","status-publish","format-standard","hentry","category-sensors","category-tutorials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Using the DHT11 humidity\/temperature sensor with the Raspberry Pi - Raspberry Pi Pod<\/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.recantha.co.uk\/blog\/?p=14450\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Using the DHT11 humidity\/temperature sensor with the Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"The DHT11 temperature and humidity sensor is an inexpensive sensor. It has a +\/- 2 degree variance, so it&#8217;s not suitable for high-precision use-cases (for that you need the DHT22). Over at Circuit Basics, they&#8217;ve written a tutorial which will&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=14450\" \/>\n<meta property=\"og:site_name\" content=\"Raspberry Pi Pod\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/recantha\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-04-02T09:48:14+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/i2.wp.com\/www.circuitbasics.com\/wp-content\/uploads\/2015\/12\/How-to-Set-Up-the-DHT11-Humidity-Sensor-on-the-Raspberry-Pi-DHT11-Output-to-LCD.jpg\" \/>\n<meta name=\"author\" content=\"Michael Horne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@recantha\" \/>\n<meta name=\"twitter:site\" content=\"@recantha\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michael Horne\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14450#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14450\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Using the DHT11 humidity\/temperature sensor with the Raspberry Pi\",\"datePublished\":\"2016-04-02T09:48:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14450\"},\"wordCount\":90,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14450#primaryimage\"},\"thumbnailUrl\":\"http:\/\/i2.wp.com\/www.circuitbasics.com\/wp-content\/uploads\/2015\/12\/How-to-Set-Up-the-DHT11-Humidity-Sensor-on-the-Raspberry-Pi-DHT11-Output-to-LCD.jpg\",\"articleSection\":[\"Sensors\",\"Tutorials\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=14450#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14450\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14450\",\"name\":\"Using the DHT11 humidity\/temperature sensor with the Raspberry Pi - 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The readings are then uploaded to online service ThingSpeak\u00a0so you can see trends and graphs etc. It's nothing new (as they\u2026","rel":"","context":"In &quot;Internet of things&quot;","block_context":{"text":"Internet of things","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=26"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/cdn.instructables.com\/FVS\/2GCA\/IBHS9GF1\/FVS2GCAIBHS9GF1.MEDIUM.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cdn.instructables.com\/FVS\/2GCA\/IBHS9GF1\/FVS2GCAIBHS9GF1.MEDIUM.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/cdn.instructables.com\/FVS\/2GCA\/IBHS9GF1\/FVS2GCAIBHS9GF1.MEDIUM.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":15208,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=15208","url_meta":{"origin":14450,"position":1},"title":"Send humidity &#038; temperature sensor readings to Initial State from a Raspberry Pi","author":"Michael Horne","date":"4 August 2016","format":false,"excerpt":"Rich Plakas has written a great tutorial on using the simple DHT22 temperature\/humidity sensor with the Raspberry Pi in which he sends the readings to online IoT dashboard provider Initial State. He borrows a lot from other code (which he acknowledges) but the results are excellent and the sensor is\u2026","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=54"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.wemustbegeeks.com\/wp-content\/uploads\/2016\/08\/Frtizing-IoT-Temperature-Humidity-to-Initial-State-Using-a-Raspberry-Pi-DHT22-1024x835.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.wemustbegeeks.com\/wp-content\/uploads\/2016\/08\/Frtizing-IoT-Temperature-Humidity-to-Initial-State-Using-a-Raspberry-Pi-DHT22-1024x835.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.wemustbegeeks.com\/wp-content\/uploads\/2016\/08\/Frtizing-IoT-Temperature-Humidity-to-Initial-State-Using-a-Raspberry-Pi-DHT22-1024x835.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.wemustbegeeks.com\/wp-content\/uploads\/2016\/08\/Frtizing-IoT-Temperature-Humidity-to-Initial-State-Using-a-Raspberry-Pi-DHT22-1024x835.jpg?resize=700%2C400 2x"},"classes":[]},{"id":17656,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=17656","url_meta":{"origin":14450,"position":2},"title":"Monitoring the environment of a snake with a Raspberry Pi &#8211; the Pivarium","author":"Michael Horne","date":"28 September 2017","format":false,"excerpt":"Richard Hayler recently acquired a new pet snake which he's called The Kernel. The Kernel is housed inside a tank and Richard wanted to monitor the temperature and humidity of the environment. So, he used a\u00a0DS18B20 waterproof temperature sensor (like you might get in the CamJam EduKit 2) and also\u2026","rel":"","context":"In &quot;3D printing&quot;","block_context":{"text":"3D printing","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/09\/pivarium_snake.jpg?fit=640%2C478&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/09\/pivarium_snake.jpg?fit=640%2C478&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/09\/pivarium_snake.jpg?fit=640%2C478&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":20891,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=20891","url_meta":{"origin":14450,"position":3},"title":"Using a DS18B20 one-wire temperature sensor with a Raspberry Pi Pico","author":"Michael Horne","date":"28 February 2021","format":false,"excerpt":"I've just found this simple tutorial for using a \"one-wire\" temperature sensor with the Pico. The author has used a breakout module that includes the necessary resistor to stabilise the signal, but has also given instructions for wiring up the sensor if you don't happen to have the module. They've\u2026","rel":"","context":"In &quot;Programming&quot;","block_context":{"text":"Programming","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=39"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/pico-and-ds18b20_bb.jpg?fit=951%2C633&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/pico-and-ds18b20_bb.jpg?fit=951%2C633&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/pico-and-ds18b20_bb.jpg?fit=951%2C633&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/pico-and-ds18b20_bb.jpg?fit=951%2C633&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4911,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=4911","url_meta":{"origin":14450,"position":4},"title":"Picorder, version 2 &#8211; #RaspberryPi has sensor-y overload","author":"Michael Horne","date":"2 July 2013","format":false,"excerpt":"Pardon the pun in the title, couldn't resist. Here is a two-part video I've just shot of the Picorder version 2. I'm just about to work on version 3, so it seemed the perfect time to document my work so far. Part 1: Part 2 Here's a list of the\u2026","rel":"","context":"With 8 comments","block_context":{"text":"With 8 comments","link":"https:\/\/www.recantha.co.uk\/blog\/?p=4911#comments"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":13175,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=13175","url_meta":{"origin":14450,"position":5},"title":"Basement storage temperature and humidity monitor with a Raspberry Pi","author":"Michael Horne","date":"17 August 2015","format":false,"excerpt":"A basement full of old books but no way to monitor humidity and temperature. Enter a Raspberry Pi. This hacker has put together a DHT22 sensor and an LCD screen with the Pi in order to monitor environmental conditions in his basement. The collected data is then output to a\u2026","rel":"","context":"In &quot;Environment&quot;","block_context":{"text":"Environment","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=69"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/i.imgur.com\/DBxmraI.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14450"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14450\/revisions"}],"predecessor-version":[{"id":14451,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14450\/revisions\/14451"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}