{"id":620,"date":"2018-01-20T10:37:16","date_gmt":"2018-01-20T09:37:16","guid":{"rendered":"http:\/\/stigern.net\/blog\/?p=620"},"modified":"2018-01-21T11:37:43","modified_gmt":"2018-01-21T10:37:43","slug":"using-wemos-d1-mini-sht30-sensor-shield","status":"publish","type":"post","link":"https:\/\/stigern.net\/blog\/using-wemos-d1-mini-sht30-sensor-shield\/","title":{"rendered":"Using Wemos D1 Mini with SHT30 Sensor Shield"},"content":{"rendered":"<p>SHT30 is a temperature and humidity sensor, almost the same as DHT22 only much smaller. They also measure a larger range, from -40 to 125 C.<\/p>\n<p><a href=\"https:\/\/stigern.net\/blog\/wp-content\/uploads\/2018\/01\/WemosD1SHT30.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-622\" src=\"https:\/\/stigern.net\/blog\/wp-content\/uploads\/2018\/01\/WemosD1SHT30-300x205.jpg\" alt=\"\" width=\"300\" height=\"205\" srcset=\"https:\/\/stigern.net\/blog\/wp-content\/uploads\/2018\/01\/WemosD1SHT30-300x205.jpg 300w, https:\/\/stigern.net\/blog\/wp-content\/uploads\/2018\/01\/WemosD1SHT30-768x524.jpg 768w, https:\/\/stigern.net\/blog\/wp-content\/uploads\/2018\/01\/WemosD1SHT30.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>Parts:<\/strong><\/p>\n<p>What we need is a Wemos D1 Mini board, which can be found on Aliexpress for around 5$. And of course the SHT30 shield can also be found on Aliexpress for a few dollars.<\/p>\n<p><a href=\"https:\/\/www.aliexpress.com\/wholesale?catId=0&amp;initiative_id=SB_20180120011604&amp;SearchText=SHT30\" target=\"_blank\" rel=\"noopener\">SHT30 @ Aliexpress<\/a><\/p>\n<p><a href=\"https:\/\/www.aliexpress.com\/wholesale?catId=0&amp;initiative_id=SB_20180120011646&amp;SearchText=wemos+d1+mini\" target=\"_blank\" rel=\"noopener\">Wemos D1 Mini @ Aliexpress<\/a><\/p>\n<p><strong>Code:<\/strong><\/p>\n<p>Next up is installing the <a href=\"https:\/\/github.com\/wemos\/WEMOS_SHT3x_Arduino_Library\" target=\"_blank\" rel=\"noopener\">Arduino Library<\/a> for the SHT30, unzip in libraries folder and restart Arduino IDE.<\/p>\n<p>Then in Arduino IDE select the example called SHT30_SHIELD, or use example code below,\u00a0 just to verify that our sensor is working correctly.<\/p>\n<div id=\"wpshdo_1\" class=\"wp-synhighlighter-outer\"><div id=\"wpshdt_1\" class=\"wp-synhighlighter-expanded\"><table border=\"0\" width=\"100%\"><tr><td align=\"left\" width=\"80%\"><a name=\"#codesyntax_1\"><\/a><a id=\"wpshat_1\" class=\"wp-synhighlighter-title\" href=\"#codesyntax_1\"  onClick=\"javascript:wpsh_toggleBlock(1)\" title=\"Click to show\/hide code block\">Basic Example<\/a><\/td><td align=\"right\"><a href=\"#codesyntax_1\" onClick=\"javascript:wpsh_code(1)\" title=\"Show code only\"><img decoding=\"async\" border=\"0\" style=\"border: 0 none\" src=\"https:\/\/stigern.net\/blog\/wp-content\/plugins\/wp-synhighlight\/themes\/default\/images\/code.png\" \/><\/a>&nbsp;<a href=\"#codesyntax_1\" onClick=\"javascript:wpsh_print(1)\" title=\"Print code\"><img decoding=\"async\" border=\"0\" style=\"border: 0 none\" src=\"https:\/\/stigern.net\/blog\/wp-content\/plugins\/wp-synhighlight\/themes\/default\/images\/printer.png\" \/><\/a>&nbsp;<a href=\"https:\/\/stigern.net\/blog\/wp-content\/plugins\/wp-synhighlight\/About.html\" target=\"_blank\" title=\"Show plugin information\"><img decoding=\"async\" border=\"0\" style=\"border: 0 none\" src=\"https:\/\/stigern.net\/blog\/wp-content\/plugins\/wp-synhighlight\/themes\/default\/images\/info.gif\" \/><\/a>&nbsp;<\/td><\/tr><\/table><\/div><div id=\"wpshdi_1\" class=\"wp-synhighlighter-inner\" style=\"display: block;\"><pre class=\"c\" style=\"font-family:monospace;\"><span class=\"co2\">#include &lt;WEMOS_SHT3X.h&gt;<\/span>\n&nbsp;\nSHT3X sht30<span class=\"br0\">&#40;<\/span>0x45<span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n&nbsp;\n<span class=\"kw4\">void<\/span> setup<span class=\"br0\">&#40;<\/span><span class=\"br0\">&#41;<\/span> <span class=\"br0\">&#123;<\/span>\n&nbsp;\n  Serial.<span class=\"me1\">begin<\/span><span class=\"br0\">&#40;<\/span>115200<span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n&nbsp;\n<span class=\"br0\">&#125;<\/span>\n&nbsp;\n<span class=\"kw4\">void<\/span> loop<span class=\"br0\">&#40;<\/span><span class=\"br0\">&#41;<\/span> <span class=\"br0\">&#123;<\/span>\n&nbsp;\n  <span class=\"kw1\">if<\/span><span class=\"br0\">&#40;<\/span>sht30.<span class=\"me1\">get<\/span><span class=\"br0\">&#40;<\/span><span class=\"br0\">&#41;<\/span><span class=\"sy0\">==<\/span><span class=\"nu0\">0<\/span><span class=\"br0\">&#41;<\/span><span class=\"br0\">&#123;<\/span>\n    Serial.<span class=\"me1\">print<\/span><span class=\"br0\">&#40;<\/span><span class=\"st0\">&quot;Temperature in Celsius : &quot;<\/span><span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n    Serial.<span class=\"me1\">println<\/span><span class=\"br0\">&#40;<\/span>sht30.<span class=\"me1\">cTemp<\/span><span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n    Serial.<span class=\"me1\">print<\/span><span class=\"br0\">&#40;<\/span><span class=\"st0\">&quot;Temperature in Fahrenheit : &quot;<\/span><span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n    Serial.<span class=\"me1\">println<\/span><span class=\"br0\">&#40;<\/span>sht30.<span class=\"me1\">fTemp<\/span><span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n    Serial.<span class=\"me1\">print<\/span><span class=\"br0\">&#40;<\/span><span class=\"st0\">&quot;Relative Humidity : &quot;<\/span><span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n    Serial.<span class=\"me1\">println<\/span><span class=\"br0\">&#40;<\/span>sht30.<span class=\"me1\">humidity<\/span><span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n    Serial.<span class=\"me1\">println<\/span><span class=\"br0\">&#40;<\/span><span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n  <span class=\"br0\">&#125;<\/span>\n  <span class=\"kw1\">else<\/span>\n  <span class=\"br0\">&#123;<\/span>\n    Serial.<span class=\"me1\">println<\/span><span class=\"br0\">&#40;<\/span><span class=\"st0\">&quot;Error!&quot;<\/span><span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n  <span class=\"br0\">&#125;<\/span>\n  delay<span class=\"br0\">&#40;<\/span>1000<span class=\"br0\">&#41;<\/span><span class=\"sy0\">;<\/span>\n&nbsp;\n<span class=\"br0\">&#125;<\/span><\/pre><\/div><\/div>\n<p>Then open up the serial monitor and you should see it reporting temperature and humidity:<\/p>\n<p><a href=\"https:\/\/stigern.net\/blog\/wp-content\/uploads\/2018\/01\/SerialMonitorSHT30.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-626 size-full\" src=\"https:\/\/stigern.net\/blog\/wp-content\/uploads\/2018\/01\/SerialMonitorSHT30.jpg\" alt=\"\" width=\"644\" height=\"193\" srcset=\"https:\/\/stigern.net\/blog\/wp-content\/uploads\/2018\/01\/SerialMonitorSHT30.jpg 644w, https:\/\/stigern.net\/blog\/wp-content\/uploads\/2018\/01\/SerialMonitorSHT30-300x90.jpg 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><\/a><\/p>\n<p>Thats it! Now play around with it. Hope this short guide was helpful.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SHT30 is a temperature and humidity sensor, almost the same as DHT22 only much smaller. They also measure a larger range, from -40 to 125 C. Parts: What we need is a Wemos D1 Mini board, which can be found on Aliexpress for around 5$. And of course the SHT30 shield can also be found [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[14,4],"tags":[16,140,368,45,369,367],"class_list":["post-620","post","type-post","status-publish","format-standard","hentry","category-arduino-electronics","category-electronics","tag-arduino","tag-electronics-2","tag-esp8266","tag-programming","tag-sht30","tag-wemos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Using Wemos D1 Mini with SHT30 Sensor Shield - Stigern.Net<\/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:\/\/stigern.net\/blog\/using-wemos-d1-mini-sht30-sensor-shield\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Using Wemos D1 Mini with SHT30 Sensor Shield - Stigern.Net\" \/>\n<meta property=\"og:description\" content=\"SHT30 is a temperature and humidity sensor, almost the same as DHT22 only much smaller. 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