{"id":14772,"date":"2016-05-18T09:19:45","date_gmt":"2016-05-18T08:19:45","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=14772"},"modified":"2016-05-18T09:31:20","modified_gmt":"2016-05-18T08:31:20","slug":"use-an-analog-to-digital-converter-to-get-analog-sensor-readings-on-the-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=14772","title":{"rendered":"Use an analog to digital converter to get analog sensor readings on the Raspberry Pi"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/pimylifeup.com\/wp-content\/uploads\/2016\/05\/Raspberry-Pi-ADC.jpg?resize=560%2C421&#038;ssl=1\" width=\"560\" height=\"421\" \/><\/p>\n<p>Gus over at <a href=\"https:\/\/pimylifeup.com\/\" target=\"_blank\">PiMyLifeUp<\/a>\u00a0has done a great tutorial on using the &#8220;famous&#8221; MCP3008 analog-to-digital converter chip to read values from a light-dependent resistor. He goes through wiring it up and programming it using the spidev Python library. I prefer the <a href=\"http:\/\/gpiozero.readthedocs.io\/en\/v1.2.0\/api_spi.html#analog-to-digital-converters-adc\" target=\"_blank\">GPIO Zero way of doing things<\/a> now, but Gus&#8217; way teaches you a little more about getting the values out. He also goes through setting up the MCP3008 inside <a href=\"http:\/\/www.cayenne-mydevices.com\/\" target=\"_blank\">MyDevices Cayenne, a great IoT platform<\/a>.\u00a0<a href=\"https:\/\/pimylifeup.com\/raspberry-pi-adc\/\" target=\"_blank\">Read how Gus\u00a0does it here<\/a>.<\/p>\n<p>If you want to get into analog sensors, and don&#8217;t want to bother with all that wiring (!), keep an eye out for a Kickstarter coming soon featuring <a href=\"https:\/\/www.recantha.co.uk\/blog\/?p=14709\" target=\"_blank\">Alex Eames&#8217; Analog Zero board<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gus over at PiMyLifeUp\u00a0has done a great tutorial on using the &#8220;famous&#8221; MCP3008 analog-to-digital converter chip to read values from a light-dependent resistor. He goes through wiring it up and programming it using the spidev Python library. I prefer the&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=14772\">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":[50,39,62,51],"tags":[],"class_list":["post-14772","post","type-post","status-publish","format-standard","hentry","category-making","category-programming","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>Use an analog to digital converter to get analog sensor readings on 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=14772\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Use an analog to digital converter to get analog sensor readings on the Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Gus over at PiMyLifeUp\u00a0has done a great tutorial on using the &#8220;famous&#8221; MCP3008 analog-to-digital converter chip to read values from a light-dependent resistor. He goes through wiring it up and programming it using the spidev Python library. I prefer the&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=14772\" \/>\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=\"2016-05-18T08:19:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-05-18T08:31:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pimylifeup.com\/wp-content\/uploads\/2016\/05\/Raspberry-Pi-ADC.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\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\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=14772#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14772\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Use an analog to digital converter to get analog sensor readings on the Raspberry Pi\",\"datePublished\":\"2016-05-18T08:19:45+00:00\",\"dateModified\":\"2016-05-18T08:31:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14772\"},\"wordCount\":130,\"commentCount\":3,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14772#primaryimage\"},\"thumbnailUrl\":\"https:\/\/pimylifeup.com\/wp-content\/uploads\/2016\/05\/Raspberry-Pi-ADC.jpg\",\"articleSection\":[\"Making\",\"Programming\",\"Sensors\",\"Tutorials\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=14772#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14772\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14772\",\"name\":\"Use an analog to digital converter to get analog sensor readings on the Raspberry Pi - 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Now, we have the Raspberry Pi Pico which gives us the ability to read analog signals using its\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\/mcp3008-loopback_bb.png?fit=876%2C666&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/mcp3008-loopback_bb.png?fit=876%2C666&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/mcp3008-loopback_bb.png?fit=876%2C666&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/02\/mcp3008-loopback_bb.png?fit=876%2C666&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":5783,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=5783","url_meta":{"origin":14772,"position":1},"title":"#RaspberryPi moisture sensor tutorial","author":"Michael Horne","date":"7 September 2013","format":false,"excerpt":"Jeremy Blythe has written an excellent, in-depth tutorial to help you read moisture levels using an analog sensor. Particularly of interest to me is the wiring up of a MCP3008 analog-to-digital converter. It will come in most useful when I decouple the Nwazet Key Lime Pi and replace it with\u2026","rel":"","context":"In &quot;Geeky Techiness&quot;","block_context":{"text":"Geeky Techiness","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=22"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":14709,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=14709","url_meta":{"origin":14772,"position":2},"title":"Analog adventures &#8211; the RasPiO Analog Zero &#8211; a quick preview","author":"Michael Horne","date":"9 May 2016","format":false,"excerpt":"Today has been all about trying new things. I tried out a great UPS board from Germany and then moved on to a new board from Alex Eames over at RasPiO. The Analog Zero is a Pi Zero-sized board that will work with any 40-pin Raspberry Pi. 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He has fixed solar panels to the top for power and the sensors include ones for\u00a0wind\u00a0speed and direction, rain, temperature, pressure, and dew point. He's using the popular BMP180 for\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\/github.com\/masneyb\/weather-station\/raw\/master\/images\/weather-station-complete.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/github.com\/masneyb\/weather-station\/raw\/master\/images\/weather-station-complete.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/github.com\/masneyb\/weather-station\/raw\/master\/images\/weather-station-complete.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/github.com\/masneyb\/weather-station\/raw\/master\/images\/weather-station-complete.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/github.com\/masneyb\/weather-station\/raw\/master\/images\/weather-station-complete.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":14122,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=14122","url_meta":{"origin":14772,"position":4},"title":"Read analog sensors with the MCP3008 and GPIO Zero on the Raspberry Pi","author":"Michael Horne","date":"3 February 2016","format":false,"excerpt":"Alex Eames recently announced\u00a0a new reward level for his RasPiO Pro Hat Kickstarter - it includes an MCP3008 analog-to-digital chip and an analog temperature sensor (TMP36). Alex has now written a tutorial to show you how to use the chip and sensor to display temperature readings. The tutorial features the\u2026","rel":"","context":"In &quot;Crowdfunding&quot;","block_context":{"text":"Crowdfunding","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=13"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/02\/ProHat-MCP3008-TMP36c.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/02\/ProHat-MCP3008-TMP36c.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/02\/ProHat-MCP3008-TMP36c.png?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/02\/ProHat-MCP3008-TMP36c.png?resize=700%2C400 2x"},"classes":[]},{"id":9403,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=9403","url_meta":{"origin":14772,"position":5},"title":"Use an analog joystick with the #RaspberryPi and an MCP3008","author":"Michael Horne","date":"20 April 2014","format":false,"excerpt":"Matt Hawkins' site Raspberry Pi Spy has been a constant source of reference for me when creating the Picorder, my box-with-sensors. Many of those sensors provide analog outputs (which I read using an MCP3008) and Matt has now written a tutorial in which he uses an analog joystick to provide\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.raspberrypi-spy.co.uk\/wp-content\/uploads\/2014\/04\/analogue_joystick_01.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.raspberrypi-spy.co.uk\/wp-content\/uploads\/2014\/04\/analogue_joystick_01.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.raspberrypi-spy.co.uk\/wp-content\/uploads\/2014\/04\/analogue_joystick_01.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.raspberrypi-spy.co.uk\/wp-content\/uploads\/2014\/04\/analogue_joystick_01.jpg?resize=700%2C400 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14772","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=14772"}],"version-history":[{"count":2,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14772\/revisions"}],"predecessor-version":[{"id":14774,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14772\/revisions\/14774"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}