{"id":9909,"date":"2025-10-12T18:54:15","date_gmt":"2025-10-12T18:54:15","guid":{"rendered":"https:\/\/www.diyipcb.com\/?post_type=product&#038;p=9909"},"modified":"2026-09-27T15:09:30","modified_gmt":"2026-09-27T15:09:30","slug":"scd40-scd41-gas-sensor-module-i2c-communication-4pin-high-precision-co2-temperature-and-humidity-2-in-1-detection-sensor","status":"publish","type":"product","link":"https:\/\/www.diyipcb.com\/ja\/product\/scd40-scd41-gas-sensor-module-i2c-communication-4pin-high-precision-co2-temperature-and-humidity-2-in-1-detection-sensor\/","title":{"rendered":"SCD40 SCD41 \u30ac\u30b9\u30bb\u30f3\u30b5\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb I2C\u901a\u4fe1 4\u30d4\u30f3 \u9ad8\u7cbe\u5ea6 CO2 \u6e29\u5ea6\u30fb\u6e7f\u5ea6 2in1\u691c\u51fa\u30bb\u30f3\u30b5\u30fc"},"content":{"rendered":"<div class=\"product-specs-list-container\">\n<p><span style=\"font-family: 'lucida sans unicode', 'lucida grande', sans-serif; font-size: 18px;\">SCD40 SCD41 \u30ac\u30b9\u30bb\u30f3\u30b5\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb I2C\u901a\u4fe1 4\u30d4\u30f3 \u9ad8\u7cbe\u5ea6 CO2 \u6e29\u5ea6\u30fb\u6e7f\u5ea6 2in1\u691c\u51fa\u30bb\u30f3\u30b5\u30fc<\/span><\/p>\n<\/div>\n<div>\n<p class=\"MsoPlainText\"><strong><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">SCD41:<\/span><\/strong><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">CO2 Measurement Accuracy: \u00b1 (40ppm+5%MV)<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Measurement range: 400-5000 ppm (low power)<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Accuracy: \u00b140 ppm<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Relative Humidity Measurement Range: 0-95%RH<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Typical RH accuracy: 6%RH<\/span><\/p>\n<div><\/div>\n<p class=\"MsoPlainText\"><strong><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">SCD40:<\/span><\/strong><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">CO2 Measurement Accuracy: \u00b1 (50ppm+5%MV)<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Measurement range: 400-2000 ppm (low power)<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Accuracy: \u00b150 ppm<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Relative humidity measurement range: 0-95%RH<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Typical RH Accuracy: 6%RH<\/span><\/p>\n<div><\/div>\n<p class=\"MsoPlainText\"><strong><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">\u88fd\u54c1\u8aac\u660e\uff1a<\/span><\/strong><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Carbon dioxide is a key indicator of indoor air quality impairing human cognitive ability and well-being, SCD40\/SCD41 is Sensirion&#8217;s next generation of miniature carbon dioxide sensors, the SCD40\/SCD41 boasts high accuracy and cost-effective performance, the module leads the power supply and communication pins out with a 2.54mm pitch row of pins interface. The on-chip temperature and humidity compensation is realized by the built-in temperature and humidity sensor for humidity and temperature measurement. SCD40\/SCD41 can realize intelligent adjustment of indoor ventilation system according to the carbon dioxide concentration, and the indoor air quality can help to maintain a healthy and efficient environment with low carbon dioxide concentration over a period of time.<\/span><\/p>\n<div><\/div>\n<p class=\"MsoPlainText\"><strong><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Characteristics:<\/span><\/strong><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">1. Reference accuracy, specified range,SCD40:400-2000 ppm SD41:400-5000 ppm<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">2. Supply voltage range: 2.4-5.5 V<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">3. High accuracy: \u00b1 (40 ppm + 5%)<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">4. Digital I2C interface<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">5. Integrated temperature and humidity sensors<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">6. Low power operation to &lt;0.4 mA averaged @ 5 V, 1 meas.\/5 minutes<\/span><\/p>\n<div><\/div>\n<p class=\"MsoPlainText\"><strong><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">Interface Definitions:<\/span><\/strong><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">1.GND: Power negative input port<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">2.VDD: Power supply positive input port<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">3.SCL: I2C clock port<\/span><\/p>\n<p class=\"MsoPlainText\"><span style=\"font-size: 18px; font-family: 'lucida sans unicode', 'lucida grande', sans-serif;\">4.SDA: I2C data port<\/span><\/p>\n<div><\/div>\n<p class=\"MsoPlainText\"><img decoding=\"async\" data-no-lazy=\"1\" loading=\"lazy\" src=\"https:\/\/www.diyipcb.com\/wp-content\/uploads\/module-store-import\/2025\/description_images\/renamed_description_images_filtered\/scd40scd41_1.jpg\" \/><img decoding=\"async\" data-no-lazy=\"1\" loading=\"lazy\" src=\"https:\/\/www.diyipcb.com\/wp-content\/uploads\/module-store-import\/2025\/description_images\/renamed_description_images_filtered\/scd40scd41_2.jpg\" \/><img decoding=\"async\" data-no-lazy=\"1\" loading=\"lazy\" src=\"https:\/\/www.diyipcb.com\/wp-content\/uploads\/module-store-import\/2025\/description_images\/renamed_description_images_filtered\/scd40scd41_3.jpg\" \/><img decoding=\"async\" data-no-lazy=\"1\" loading=\"lazy\" src=\"https:\/\/www.diyipcb.com\/wp-content\/uploads\/module-store-import\/2025\/description_images\/renamed_description_images_filtered\/scd40scd41_4.jpg\" \/><\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5585.85px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 5585.85px; left: 14px; display: none;\"><\/div>\n<section class=\"module-customization\">\n<h3>\u88fd\u54c1\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/h3>\n<p>\u5f53\u793e\u306f\u88fd\u54c1\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002. <a href=\"https:\/\/www.diyipcb.com\/ja\/contact-us\/\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a> \u304a\u5ba2\u69d8\u306e\u3054\u8981\u671b\u306b\u3064\u3044\u3066\u8a71\u3057\u5408\u3046\u305f\u3081\u3002.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>SCD40 SCD41 Gas Sensor Module I2C Communication 4PIN High Precision CO2 Temperature and Humidity 2 in 1 Detection Sensor SCD41: CO2 Measurement Accuracy: \u00b1 (40ppm+5%MV) Measurement range: 400-5000 ppm (low power) Accuracy: \u00b140 ppm Relative Humidity Measurement Range: 0-95%RH Typical RH accuracy: 6%RH SCD40: CO2 Measurement Accuracy: \u00b1 (50ppm+5%MV) Measurement range: 400-2000 ppm (low power) Accuracy: \u00b150 ppm Relative humidity measurement range: 0-95%RH Typical RH Accuracy: 6%RH Product Description: Carbon dioxide is a key indicator of indoor air quality impairing human cognitive ability and well-being, SCD40\/SCD41 is Sensirion&#8217;s next generation of miniature carbon dioxide sensors, the SCD40\/SCD41 boasts high accuracy and cost-effective performance, the module leads the power supply and&#8230;<\/p>","protected":false},"featured_media":6861,"comment_status":"open","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[],"product_cat":[94,2098,96],"product_tag":[],"class_list":["post-9909","product","type-product","status-publish","has-post-thumbnail","product_cat-electronic-modules","product_cat-prototyping","product_cat-sensors-measurement","first","instock","shipping-taxable","purchasable","product-type-variable","entry","content-bg","loop-entry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/product\/9909","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/comments?post=9909"}],"version-history":[{"count":0,"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/product\/9909\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/media\/6861"}],"wp:attachment":[{"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/media?parent=9909"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/product_brand?post=9909"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/product_cat?post=9909"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.diyipcb.com\/ja\/wp-json\/wp\/v2\/product_tag?post=9909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}