Dht11 datasheet, dht11 pdf, dht11 data sheet, dht11 manual, dht11 pdf, dht11, datenblatt, electronics dht11, alldatasheet, free, datasheet, datasheets, data sheet. The wiring diagramsschematics below shows you how to connect 3 or 4 pin temperature and humidity sensors to the arduino uno. This little sensor looks an awful lot like the popular dht11dht22 temperature and humidity sensors, but unlike classic. To measure the surrounding air this sensor uses a thermistor and a capacitive humidity sensor. Power the sensor with 5v and connect ground to ground. Etc2, alldatasheet, datasheet, datasheet search site for electronic components and. Dht12 digital temperature and humidity sensor is a calibrated digital output record of temperature and humidity, dht11 the upgrade product.
The sensor is also factory calibrated and hence easy to. Click here this is a simple, inexpensive temperature and humidity sensor. A collection of arduino libraries and code examples. The difference between this sensor and module is the pullup resistor and a poweron led. Etc2, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Contribute to adidaxdht11 development by creating an account on github. Etc2 temperature humidity module,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
You can find si7021 breakout boards for very cheap in asia. Temperature and humidity module dht11 product manual. Applying the dht11 sensor beyond its working range stated in this datasheet can result in 3%rh signal shiftdiscrepancy. After power on dht11 dht11 on after power to wait 1s across the unstable state during this period can not send any instruction, the test environment temperature and humidity data, and record the data. At this point youre all set and ready to start reading the temperature and humidity. Dht11 digital temperature and humidity sensor is a composite sensor contains a calibrated digital signal.
Its technology ensures high reliability and excellent longterm stability. Wiring connecting dht11 and dht22am2302 to arduino uno. Etc2 temperature humidity module,alldatasheet, datasheet, datasheet search site for electronic. Luckily, it is trivial to connect dht11, dht22 sensors to arduino. Arduinolibrariesdhtxx at master dimirceaarduino github. One of the biggest down sides is you can only collect data once every 2 seconds. For more details you can download datasheet from below given link. Aug 01, 2016 the dht22 is a basic, lowcost digital temperature and humidity sensor. Dht11 datasheet, dht11 pdf, dht11 pinout, equivalent, replacement humidity and temperature sensor sunrom, schematic, circuit, manual. Want to be notified of new releases in adidaxdht11. 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.
Want to be notified of new releases in winlinvipsimpledht. Aug 15, 2017 in real life dht11 can be used at several different places e. Dht22 datasheetpdf list of unclassifed manufacturers. Dht11, dht22 and am2302 sensors adafruit industries. Sen07 introduction dht22 capacitive humidity sensing digital temperature and humidity module is one that contains the compound has been calibrated digital signal output of the temperature and humidity sensors. The sensor comes with a dedicated ntc to measure temperature and an 8bit. Finding the datasheet is as easy as a few clicks of your mouse. Its fairly simple to use, but requires careful timing to grab data. Continue to output the low 50 microseconds after dht11 the data pin output 40 data, and changed the input state, along with pullup resistor goes high. Dht11 is a commonly used temperature and humidity sensor. Dht22 utilizes exclusive digital signal collecting technique and humidity sensing technology and can ouptut calibrated digital signal.
Downloads adafruit feather m0 wifi with atwinc1500. The datasheet mentions it has 3% humidity accuracy and 0. Sensor readings temperature and humidity as well as computed values heat indexes are printed to the serial monitor. Nov 04, 2016 this module consist of a dht11 digital humidity and temperature sensor and a 1 k. Please refer to 3 of conditions minimum typical maximum.
Dht11 is an electronic device which is used to measure the temperature and humidity in real environment. From the above image which i took from the specification, we can concluded that it can be measured only up to 50c of temperature and the maximum of 90% of rh of the humidity. Dht11 arduino interfacing the engineering projects. You can use any micrcontroller that can do microsecond timing, but since its a little tricky to code it up, we suggest verifying the wiring and sensor work with an arduino to start. It can be used as humidity sensor as well as the temperature sensor. The dht11 is a commonly used temperature and humidity sensor. This page downloads was last updated on oct 28, 2019. Dht11 temperature and humidity sensor tayda electronics. It detects water wapor and measure the the resistance between two electrodes. Downloads dht11, dht22 and am2302 sensors adafruit. When power is supplied to the sensor, do not send any instruction to the sensor in within one second in order to pass the unstable status. Sensor readings temperature and humidity as well as computed values heat indexes could be accessed via a minimalist webpage hosted on a sd card. Below you can find dht11 arduino code and dht11 library.
Technology used to produce the dht11 sensor grants high reliability, excellent longterm stability and very fast response time. Dht11 pdf, dht11 description, dht11 datasheets, dht11 view. China dht11 digital temperature and humidity sensor. Dht11 datasheet18 pages etc2 temperature humidity module.
This dht11 temperature and humidity sensor is a composite sensor which contains a calibrated digital signal output of the temperature and humidity. Within the warranty period, the product was confirmed that the quality is really defective. The setup allows periodic readings from a dht11 temperature and humidity sensor using an arduino uno development board and an ethernet shield. Dht11 digital temperature and humidity sensor is a composite sensor contains a calibrated. Sensors 8051microcontrollers free tutorials projects. You can do this by reading the temperature property which returns temperature in degrees celsius. Temperature humidity module, dht11 pdf download, dht11 download, dht11 down, dht11 pdf down, dht11 pdf download, dht11 datasheets, dht11 pdf, dht11 circuit. This little sensor looks an awful lot like the popular dht11 dht22 temperature and humidity sensors, but unlike classic dht sensors, it has an i2c interface. It uses dedicated digital module acquisition technology and temperature and humidity sensing. Applying the dht11 sensor beyond its working range stated in this datasheet can. How to set up the dht11 humidity sensor on an arduino. Temperature and humidity measurement with dht11 doitwireless. A 10k ohm pullup resistor is needed between the signal line and 5v line to make sure the signal level stays high by default see the datasheet for more info.
Dht12 with a single bus, and standards i 2c two kinds of. Applicationspecific digital temperature and humidity sensor module and semiconductor, ensure high reliability and excellent longterm stability. Basic setup allowing periodic readings from a dht11 temperature and humidity sensor using an arduino uno development board. High precision capacitive type full range temperature compensated relative humidity and temperature measurement c alibrated digital signal o utstanding longterm stability e xtra components not needed l ong transmission distance, up to 100 meters. After power on dht11 dht11 on after power to wait 1s across the unstable state during this period can not send any instruction, the test environment temperature and humidity data, and record the data, while dht11 the data data lines pulled by pullup resistor has been to maintainhigh. There are two different versions of the dht11 you might come across. Temperature and humidity module department of electrical and. Dht11 datasheetpdf list of unclassifed manufacturers. Here we offer most rated semiconductors datasheets pdf ready for download. Dec 28, 2019 download the dht11 datasheet from here.
A highperformance 8bit microcontroller is connected. Here i am providing complete information about how to setup the dht11 humidity sensor on an arduino board. For this, you need to include the dht11 library in your arduino code. Ks0034 keyestudio dht11 temperature and humidity sensor. Using a dhtxx sensor to test the sketch, well use an arduino. Were sorry but dcfrontend doesnt work properly without javascript enabled. The dht11 uses just one signal wire to transmit data to the arduino. Free tools for electronics designers, eagle libraries. Dht11 temperature humidity sensor tutorial august 6, 2018 when it comes to detect humidity and temperature for your diy projects then we need dht11 sensor, it. How dht11 detects humidity there are to important components in this sensor they are electrodes that detects water vapor. Our vast collection includes more than 900,000 datasheets that you can easily download for fast. How to setup dht11 sensor with arduino electronics.
The sensor comes with a dedicated ntc to measure temperature and an 8bit microcontroller to output the values of temperature and humidity as serial data. Dht11dht22 sensors with arduino tutorial 2 examples. The dht11 sensor can recover to the calibrated status gradually when it gets back to the normal operating condition and works within its range. One capacitor valued 100nf can be added between vdd and gnd for power filtering.
The sensor is also factory calibrated and hence easy to interface with other microcontrollers. Dht11 humidity and temperature digital sensor code. Dht11 datasheet pdf list of unclassifed manufacturers. Dht11 datasheet in chinese, so see the dht22 datasheet too. The dht11 uses an internal thermistor and a capacitive humidity sensor to determine environment conditions, an internal chip is responsible for converting readings to a serial digital signal. Ive tested it on the arduino duemilanove arduino ide v0022 and dht11 connected to analog0 works both with a0 and 14 and digital2, with and without 5k6 pullup resistor dont have 4k7 one atm and it works ok with all methods.
Dht11 datasheet pdf pinout humidity and temperature. Publishes the technical specifications of the product data sheet shall prevail. It spits out a basic digital signal on the data pin. If nothing happens, download github desktop and try again. Dht11 datasheet pdf pinout humidity and temperature sensor.