{"product_id":"dht11-basic-temperature-humidity-sensor-extras-discontinued","title":"DHT11 basic temperature-humidity sensor + extras [Discontinued]","description":"\u003cp\u003eThe DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so when using our library, sensor readings can be up to 2 seconds old.\u003cbr\u003e\u003cbr a=\"\" although=\"\" an=\"\" and=\"\" arduino=\"\" br=\"\" connect=\"\" dallas=\"\" data=\"\" each=\"\" example=\"\" first=\"\" ground.=\"\" have=\"\" if=\"\" input=\"\" is=\"\" it=\"\" its=\"\" left=\"\" library=\"\" most=\"\" multiple must=\"\" not=\"\" own=\"\" pin=\"\" right=\"\" second=\"\" send=\"\" simply=\"\" single-wire=\"\" the=\"\" to=\"\" uses=\"\" want=\"\" we=\"\" wire=\"\" with=\"\" written=\"\" you=\"\" your=\"\" on=\"\" one=\"\"\u003e\u003cbr\u003eCompared to the DHT22, this sensor is less precise, less accurate and works in a smaller range of temperature\/humidity, but its smaller and less expensive\u003c\/p\u003e\u003cp\u003eWe have a Adafruit Learning System guide with schematics, Arduino \u0026amp; CircuitPython code, datasheets and more!\u003c\/p\u003e\u003cp\u003e\u003cbr a=\"\" although=\"\" an=\"\" and=\"\" arduino=\"\" br=\"\" connect=\"\" dallas=\"\" data=\"\" each=\"\" example=\"\" first=\"\" ground.=\"\" have=\"\" if=\"\" input=\"\" is=\"\" it=\"\" its=\"\" left=\"\" library=\"\" most=\"\" multiple must=\"\" not=\"\" own=\"\" pin=\"\" right=\"\" second=\"\" send=\"\" simply=\"\" single-wire=\"\" the=\"\" to=\"\" uses=\"\" want=\"\" we=\"\" wire=\"\" with=\"\" written=\"\" you=\"\" your=\"\" on=\"\" one=\"\"\u003eComes with a 4.7K or 10K resistor, which you will want to use as a pullup from the data pin to VCC.\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e\n\u003cul\u003e\n\u003cli\u003eLow cost\u003c\/li\u003e\n\u003cli\u003e3 to 5V power and I\/O\u003c\/li\u003e\n\u003cli\u003e2.5mA max current use during conversion (while requesting data)\u003c\/li\u003e\n\u003cli\u003eGood for 20-80% humidity readings with 5% accuracy\u003c\/li\u003e\n\u003cli\u003eGood for 0-50°C temperature readings ±2°C accuracy\u003c\/li\u003e\n\u003cli\u003eNo more than 1 Hz sampling rate (once every second)\u003c\/li\u003e\n\u003cli\u003eBody size 15.5mm x 12mm x 5.5mm\u003c\/li\u003e\n\u003cli\u003e4 pins with 0.1\" spacing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe have a Adafruit Learning System guide with schematics, Arduino \u0026amp; CircuitPython code, datasheets and more!\u003c\/p\u003e\n\u003c\/div\u003e \u003c\/div\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":52217286361376,"sku":"vjx1787257511378","price":3.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/3231\/3120\/files\/dht11-basic-temperature-humidity-sensor-extras-discontinued_1.jpg?v=1787257515","url":"https:\/\/www.elmwoodbasket.shop\/products\/dht11-basic-temperature-humidity-sensor-extras-discontinued","provider":"My Store","version":"1.0","type":"link"}