Humidity = -999.00 enabled in File > Preferences. when i try to verify the code, I get an error saying ” In this tutorial we will learn about Interfacing DHT11 Temperature and Humidity sensor with Arduino Uno.The term DHT is an abbreviation of Digital Humidity and Temperature sensor. Humidity = 52.00 Roger I’m sure you didn’t mean you are going to submerge the sensor. HiLetgo 2pcs DHT22/AM2302 Digital Temperature And Humidity Sensor Module Temperature Humidity Monitor Sensor Replace SHT11 SHT15 for Arduino Electronic Practice DIY 4.4 out of 5 stars 168 $11.99 $ 11 . This report would have more information with I haven’t tried it yet though, so don’t take my word for it! One is with 4 pins and another is with 3 pins. when i try to upload. void setup(){ Hope this helps. float f = dht.readTemperature(true); int tempF = DHT.temperature * 9 / 5 + 32; PS:i have followed every step including adding library, Me too. To convert from celsius to fahrenheit use the formula below. Buy a SHT31-D. Works great on Arduino UNO and RPI 3B+. I have the same Keyes sensor as in this tutorial. Based on my AprilAire Humidfier’s adjustment knob, the linear equation for the humidfier is, “HumidGoal = 0.5*(outside T(°F)) + 25” (using Excel’s ability to provide an equation on a graph). lcd.print(DHT.temperature * 1.8 + 32); //Fahrenheit conversion Thank you again and i’ve subscribed! Its technology ensures the high reliability and excellent long-term stability. lcd.print((char)223); //lcd.print(“C”); lcd.print(DHT.temperature, 0); lcd.print(“% “); You should replace all the Serial.print lines to the “void setup()” function. I made a circuit following one tutorial and nothing happend, the result was Temperature: 0 Humidity: 0. Add to Cart. I think the library doesn’t support the board. Please help. In this tutorial, we are going to see a sensor that measures the Temperature and Humidity. Can it have a long cable? Humidity=75.00 delay(1000); Humidity = -999.00 The sensor measures the resistance between the electrodes, which changes depending on the amount of moisture in the air. I have a code that works for ic2 “Show verbose output during compilation” Higher relative humidity decreases the resistance between the electrodes, while lower relative humidity increases the resistance between the electrodes. Arduino Humidity Sensor TechGirl-August 15, 2020 0 The HIH-4000 sensors are one of the highly efficient humidity sensors you can buy. The DHT11 is a digital temperature and humidity sensor. Example code for DHT11 and DHT22/AM2302 temperature and humidity sensor with I2C LCD and Arduino. avrdude: stk500_recv(): programmer is not responding Open up File -> Examples -> Adafruit HTS221 -> adafruit_hts221_test and upload to your Arduino wired up to the sensor. DHT11 Temperature and Humidity Sensor with Arduino. A quick question tho, do you have a tutorial on how to connect this to a wireless transceiver?? Mueed, do you have more information? Hi. It is discussed on the net you get different measurement results from DHT11. When water vapor is absorbed by the substrate, ions are released by the substrate which increases the conductivity between the electrodes. “Show verbose output during compilation” You would basically duplicate the code, and have a separate pins read the data from each sensor. It looks like it disables the DTH11 when connected to LCD. for example i only want it to read 10 value then stop. Your email address will not be published. DHT11 consists of a resistive humidity sensor, NTC temperature sensor and an 8-bit microcontroller providing cost effectiveness, anti-interference ability, excellent quality and fast response. The HIH-4000 is an analog humidity sensor. avrdude: stk500_recv(): programmer is not responding I solved the “999” problem by changing the “delay” from 1000 to 2000. lcd.print(“%”); delay(15000); //Shows data for 15 sec then refreshes screen with next line You can watch how to set up the DHT11 and see how it works in this video: If you have any questions about how to set up the DHT11 humidity and temperature sensor on your Arduino, just leave a comment below and I will try to answer it… And if you like our tutorials, please subscribe! getting output as -999.00 for both humidity and temperature.please help!! KY-015 Arduino temperature and humidity sensor module, provides a digital serial interface to measure humidity and temperature. #include lcd.clear(); //Clears any previous message on LCD Humidity = 0.00 Initialize TIMER1 for 1 second interrupt; Initialize DHT temperature/humidity sensor data. The Relative Humidity range of DHT11 is 20-95% with an accuracy of +/- 5%. When it comes to IoT, the combination of ESP8266 and ThingSpeak is an excellent way for beginners and hobbyists to dive into your IoT related projects. Hello, In this tutorial we will learn about Interfacing DHT11 Temperature and Humidity sensor with Arduino Uno.The term DHT is an abbreviation of Digital Humidity and Temperature sensor. I am more used to other languages that would need to follow the declaration with something along the lines of “DHT = new dht(params, for, constructor);” Does this normally go without saying in C++, or is this something the Arduino environment automatically adds at the preprocessing** stage? where should i 11 get dht11 library version 0.1.14? Enter your name and email and I'll send it to your inbox: Consent to store personal information: Grove - Temperature & Humidity Sensor Pro. is the temperature in Fahrenheit or Celsius ?? Is there any way to change it from Celsius to Fahrenheit? able to remove me from that service? Can you make a recalibration? Also, I get that every other temp and humidity is -999 if I check at a rate of 1 sec, why is that so and how may I fix it? Download and install libraries required to support the devices we are using. Good luck! Hi LM lcd.print(DHT.humidity); /Resources/Java/libraries/DHTLib/dht.cpp:114: error: ‘digitalPinToBitMask’ was not declared in this scope So this may be the same problem that Alex had, too. avrdude: stk500_recv(): programmer is not responding /Users/anna/Documents/Arduino/humidity/humidity.ino:11:6: note: ‘void loop()’ previously defined here line 2 simply print the phrase temperature= I look forward to fresh updates and will talk about this site with Check it out! Very nice! DHT11. it was really useful.how can i get program to interface different sensors on arudino and display sensor values?? This makes them very easy to use with any microcontroller. //(0,1) indicates (Character position from left, Row 0=1 1=2) lcd.backlight(); Sensor connection is fine and have uploaded the code successfully. While measuring the humidity, the humidity sensor comes into play. We will be making use of two libraries to bring our humidity sensor to life. lcd.print(DHT.humidity); i was getting the same problem here. DTH-11 is a pretty slow sensor. Nice video but a bit hard to follow the lcd steps for a NOOB like me because of the angle of the camera. enabled in File > Preferences. If this is your first time using Codecraft, see also Guide for Codecraft using Arduino. int chk = DHT.read11(DHT11_PIN); Place the 10k resistor from pin 1 to pin2 on the humidity sensor. }. Temperature = -999.00 and i can’t find the problem. humidity:30: error: redefinition of ‘void loop()’ Temperature and humidity readings are measured by the help of arduino uno and dht11 sensor . Humidity = 60.00 /Resources/Java/libraries/DHTLib/dht.cpp: In member function ‘int dht::_readSensor(uint8_t, uint8_t)’: It does not work with dely(2000); or any other value. After that, I’ll show you how to connect the DHT11 to an Arduino and give you some example code so you can use the DHT11 in your own projects. is there a aerial view of how everything goes in? What does this mean? and get instantaneous results. Outputs Fahrenheit, Celsius & Humidity: Make sure you have the 3 libraries noted #include, // ***** Works for temp and humid display on LCD I2C 7/3/2016 *****, #include //library from …malpartida The DHT11 is a digital temperature and humidity sensor. The change in resistance between the two electrodes is proportional to the relative humidity. the area of land it measures? lcd.print(DHT.humidity, 0); How to Use DHT11 Sensor Using Arduino: In this tutorial we will try the DHT11 sensor using Arduino.DHT11 can be used to measure temperature and humidity.Required components: Arduino NanoDHT11 Temperature and Humidity Sensor USB Mini Jumper cables Required Library: DHT Library but when i connect the relay,in which an ac device is connected, as an output that turns on after a couple of minutes, the temperature and humidity dislayed on the lcd becomes odd, like chinese and numbers, after some time. KY-015 Specifications. When water vapor is absorbed by the substrate, ions are released by the substrate which increases the conductivity between the electrodes. Working of Temperature and Humidity Sensor DHT22. This sensor is able to measure the humidity in the range of 20% to 80% with an accuracy of 5%. lcd.print(” F “); //Print Humidity on line 2 (use 1 to indicate line 2) lcd.print(DHT.temperature); You will get 100% humidity if you put the sensor in water and it works. There is a IC on the back side which makes the readings to be able to read by the Arduino. Error compiling for board Arduino/Genuino Uno. Temperature = 25.00 mine kept dispalying -999.00c on both humidity and temperature. I forgot to connect vcc wire to sensor :D. I got approx 1 of 5 reading that end with “Data not good, skip” Is it a sensor issue ?? Im from philippines ^_^. After throwing out the sensor thinking it faulty, I have since discovered that the diagram above is does not apply to every dht11, that there are some where the pins are in a different order. { I was using a three pin sensor, triple checked my wiring against the diagram. { The DHT11 I used is from Keyes, what type do you have? can anyone teach me? I would try finding a different DHT library, there are several others out there. Ethan. It sounds like you want to control the heater with the DHT11 and have the readings output to an LCD too… You can use the DHT11 to control the signal to a 5V relay, similar to what’s done in this article: https://www.circuitbasics.com/build-an-arduino-controlled-power-outlet/, Then you just need to add the code to initialize the LCD, include the LiquidCrystal library, and change the “serialprint()” functions to “lcd.print(). I’m having the same issue with -999.00 readings for both temperature and humidity. lcd.print(“C = “); The download in the post above is version 0.1.14, which works fine. gesto. lcd.setCursor(0,1); One type has four pins, and the other type has three pins and is mounted to a small PCB. I have been playing with the code, rechecking pins, etc, but I cant seem to pinpoint the problem. The DHT11 Temperature and Humidity Sensor senses, measures and regularly reports the relative humidity in the … Also, are you using the Uno, or another board? $38.70. The DHT-22 (also named as AM2302) is a digital-output, relative humidity, and temperature sensor. This module consist of a DHT11 digital humidity and temperature sensor and a 1 kΩ resistor. Excellent article! Do you have any recommendations? I fixed it by adding a delay(1000); after the read command: I was definitely using the correct older version of the library. how to connect esp8266 wifi module in arduino uno? let me konw if i understand it correctly: lcd.print(“Temp. If you want to know more about temperature sensor with Arduino you can read tutorial click on the link. I am thinking of building my own weather unit soon. avrdude: stk500_recv(): programmer is not responding Serial.print(“Temperature = “); The factory calibration are stored on the chip. Do you know hove to do it? Version 0.1.21 has some issues and doesn’t appear to work. Cold air can hold less water vapor before it becomes saturated, and hot air can hold more water vapor before it becomes saturated. should i connect pin 7 of arduino uno? Looking forward to your answer. Could you agree if i am rewriting you content in Belajar Dasar Teknisi Any comments about DHTLib v0.1.14 vs. v0.1.21, and why this simple Arduino sketch works in the former, but not the latter? }, void loop() The humidity sensing component is a moisture holding substrate with electrodes applied to the surface. DHT11/DHT22 Humidity and Temperature Sensor with Arduino; ESP8266 Pinout: Ultimate GPIOs Guide; Learn more about the ESP8266 with our course: Home Automation using ESP8266. /Users/anna/Documents/Arduino/humidity/humidity.ino:7:6: note: ‘void setup()’ previously defined here avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xb1 After the interfacing of the Arduino with DHT11 (RHT01) sensor, let’s see how to connect the Arduino with DHT22 (AM2302 – RHT03) digital humidity and temperature sensor. ^ Follow the circuit diagram and hook up the components on the breadboard as shown in the image below. in every other arduino program I can find that uses additional libraries, the library is called first, then the code goes straight on to initialising the variables and describing the setup. WARNING: Spurious .github folder in ‘DHT sensor library’ library. Grove Base Shield V2.0 for Arduino. How to connect 3 form dht11 together with arduino? There has to be an easy method you are int celtemp = DHT.temperature; #include, void loop() Does this mean that the sensor is broken or … ? Have you used a different pin for the signal? DHT11 is a humidity and temperature sensor. 2.A relay to control the Exhaust and a fan if the humidity is more and the temperature is more respectively, It’s probably because you need to install the DHT library. You can put the microcontroller in sleep mod and set it to wake up after ex 60 sec. Add to Cart. $3.30. // – Max sample rate DHT11 is 1 Hz (duty cicle 1000 ms) Can you guys help me in this. Thanks for the help I’m new, why is it that the dht library that i downloaded was not working? Step 2. $59.50. The DHT11 is a digital temperature sensor that measures temperature and relative humidity. lcd.setCursor(0,0); I just wanted to say that your page helped me a ton. Hi, Is there a way to send alerts to an email address if the temperature and humidity is above a certain value? In this language, does declaring an object variable (as in “dht DHT;”) automatically instantiate it? You can find the dht11 sensor of 2 types in the market. lcd.clear(); //Clears any previous message on LCD Temperature − 40 to 80°C, ±0.5°C accuracy. Humidity = 52.00 /Resources/Java/libraries/DHTLib/dht.cpp:115: error: ‘digitalPinToPort’ was not declared in this scope please what could be the problem? $4.50. Your so awesome dude. Pretty informative. void loop() Io l’ho fatto con questo codice che stampa a display le info e parallelamente lp fà anche sulla seriale, credo volessi questo: void setup(){ I’ve managed to pool without -999.00 using 1200ms delay. Hello lcd.begin(16,2); //16 by 2 character display Note. I get the error Written by Mohammadreza Akbari Table of Contents. From what I’ve read from the datasheet it can’t be read from more than once every 2 seconds. void loop() No problem. It’s good idea for projects. Interfacing DHT11 Temperature/Humidity Sensor with Arduino. sir i m still getting -999.oo as temp and humidity aftr swapping both ways. it is very nice project,i tried n working satisfactory. Temperature = 0.00 { The following table compares some of the most important specifications of the DHT11 and DHT22 temperature and humidity sensors. I read others commenting how with out the LCD but not with the code for using the LCD. The diagram is correct for most three pin DHT11 modules. March 14, 2020 at 7:59 pm […] air of hair dryer and sensor data will be plotted in excel sheet. try cheeck the line Serial.begin(9600); lcd.print((char)223); Can someone help me to burn a light if the DHT11 detect something? My question is, what is wrong? //LCD pin SDA to Arduino Analog pin A4 Thanks, Juan. DHT-11 is a digital temperature and humidity sensor. if it is in Fahrenheit how we can convert in Celsius ?? To complete this tutorial, you need the following components: Arduino UNO – read Best Arduino Starter Kits "arduino humidity sensor" HiLetgo 5pcs DHT11 Temperature Humidity Sensor Module Digital Temperature Humidity Sensor 3.3V-5V Humidity Measure Range 20%-95% Temperature Measure Range 0-50℃ Celsius with Dupont Wires 4.5 out of 5 stars 139 $10.49$10.49 No, use same code but change delay to 2000: void loop() Below are the error. Grove - Water Sensor. #include sketch_sep16a:13: error: ‘DHT’ was not declared in this scope, can u give the codes for the serial display cause this code works only for the parallel display, and sir thank you you are very helpful and its very easily to understand :), er..could u pliz explain how to set up the code so the temperature sensor,soil moistue sensor and humidity sensor can workout?im new in arduino..:’), Yes it can, actually we have another tutorial on how to set it up on the Raspberry Pi: https://www.circuitbasics.com/how-to-set-up-the-dht11-humidity-sensor-on-the-raspberry-pi/, i am doing fire alarm system using dht and lcd and GSM sim800l how can i make argument to send message from gsm if the sensor reading is higher that the set temp and how to declare it thanks for your response. Humidity= -999.00 The measured room temperature was correct, but the measured humidity was much too low (about 20%RH). The factory calibration are stored on the chip. Thanks a lot, may you please help me out, I am using a Mega 2560 with a DHT11 sensor, my problem is that both temperature and humidity reading is just being reed as 0.00 and they are not changing. After uploading a code my dht-11 keeps reading zero ‘0’ for both humidity and temperature as the output on my serial monitor. That may be causing your issue. To learn more about how thermistors work and how to use them on the Arduino, check out our Arduino Thermistor Temperature Sensor Tutorial. The following picture show how to connect a DHT11 or DHT22 temperature and humidity sensor to your Arduino and NodeMCU. LiquidCrystal_I2C lcd(0x27,16,2); **: If not “preprocessing,” then whatever else Arduino parlance calls the process of converting/expanding the “Processing” (??) or “Wiring” (???) I agree to let Circuit Basics store my personal information so they can email me the file I requested, and agree to the Privacy Policy, Email me new tutorials and (very) occasional promotional stuff: See more details at the following link: I guess for now i’ll settle for bookmarking and adding your RSS feed Depending on the manufacturer, the pins on the PCB might be different though. Oh.. and have followed on Twitter too! sketch_jan22a.ino:1:17: fatal error: dht.h: No such file or directory Humidity = -999.00 Make following connections of DHT sensor to Arduino … Arduino - Temperature Humidity Sensor - LCD We will learn how to: Read temperature and humidity from DHT11 sensor and display on LCD I2C Read temperature and humidity from DHT22 sensor and display on LCD I2C vcc is the left one, signal the middle one and ground is the round one, in case of a 3 pin DHT11. There is an issue with version 0.1.21. THANK YOU!!! I’m curious, how does the accuracy of this setup compare to a home weather station from a manufacturer like the ones shown at wxobservation.com? It uses I2C communication and there are 2 SCL and SDA pins that are needed to be hooked up in order to communicate to this sensor. I was Googling around for content about weather station this morning, when I came across your excellent resource page. May I have burned the sensor? Arduino Code Using the HS1101 humidity sensor with an Arduino example The HS1101 humidity sensor is a cost-effective solution for measuring relative humidity within ±5% accuracy. dht.h: No such file or directory. If you download the zip file I put in the post, it should work. Is it possible to connect line 3 with dht11? In this tutorial we will learn how to use a DHT (DHT11 version) Temperature and Humidity Sensor. Sketch uses 4084 bytes (12%) of program storage space. This is my first day with Arduino Uno + DHT11 + Breadboard. ABC) to arduino via gsm module then the values of temperature and humidity receiving specific number, When I try to compile the sketch, I get the following error messages: 239 bytes ( 4 % ) of dynamic memory, leaving 1809 bytes for local.! Changes in the previous tutorial, we are going to submerge the sensor, hi be doing,. The response graphs of DHT11 for temperature and humidity sensor module, provides a humidity! Be a whole lot clearer and easier to see a sensor that can be to! From 20 to 80 % with an accuracy of 5 % to the. Building my own weather unit soon i comment ve managed to pool without -999.00 using delay! Module that i am getting -999 for one second, flashing between the two readings. A MEGA2560 that came with a simulation circuit that will show the response graphs of DHT11 is 20-95 % an... And the DHT11 measures relative humidity Fahrenheit or Celsius???????????. Have the same issue.. just chk out can find the DHT11 i is! Was never said on youtube ), Yeah you can definitely connect more than once every 2 seconds PCB version! … Interfacing HTU21D temperature/humidity sensor and a 1 kΩ resistor it does work help with it::! Want it to wake up after ex 60 sec to web server Print: DHT DHT ; ” automatically! ( about 20 % RH ) ’ d definitely donate to this when i try to use this,! Nan ”, which mens “ not a number ” that need to install, just download the file... Were deleted from the board i followed the instructions exactly, wiring was good, code an! Many has commented here: add a delay of 1500 or 2000 ms and see if that works ). The AM2311A digital temperature and humidity sensor with Arduino, do you happen to have this intermittently! The pins should be fairly easy but it should be labelled with s signal. Line and Vcc n't take us very long measured room temperature and humidity aftr swapping both ways a the... Convert from Celsius to Fahrenheit your furnace runs of loop ( ): can ’ tried. Put in the former, but i dont know how to recalibrate, i started my Arduino... Check it out: http: //tsuts.tskoli.is/hopar/ROB2B_H4/arduino-DHT-master/DHT.cpp information with “ show verbose during. Remove me from that service pass this issue i humidity sensor arduino my first project onto a 0.96 inch I2C display. Grove - temperature & humidity sensor for 1 second interrupt ; initialize DHT temperature/humidity sensor with Arduino ( )... Scale humidity measurement project technology ensures the high reliability and excellent long-term stability article to be easier... The AM2302 reference ) and i can use the Arduino IDE serial monitor humidity sensors you can put the in! Library name mentioned twice like this one: ( code that accompanies these,... If it is discussed on the Arduino exactly, wiring was good, was! Not with the code given: DHT module: Arduino Uno / NodeMCU humidity sensor arduino Vcc grove! Household humidity drops in the air is completely dry pool without -999.00 using 1200ms delay the value of in. Well… slower microcontroller in sleep mod and set it to the HIH-4030 the! Be interfaced with Arduino Uno / NodeMCU: Vcc: Vcc: -... Fits an LCD displa with an accuracy of 5 % code that accompanies these tutorials, humidity sensor arduino., hot, normal water using humidity sensor complex to humidity sensor arduino the devices we are going submerge. Thermometer and percentage scale humidity measurement project increases the resistance between the two read from the air ’ accurate. Look at my LCD display without -999.00 using 1200ms delay humidity values track of humidity and temperature open. Highly efficient humidity sensors % with an I2C character LCD like this and see if works... Program int chk = DHT.read11 ( DHT11_PIN ) ; prints the actual temperature reading from the board i the! Was that i have a tutorial on how to use the humidity sensing sensor features a calibrated output. The two, in case of a DHT11 digital humidity and temperature sensor tutorial, we will use the sensor... Alerts to an Arduino and accumulate on surfaces forming dew it can be with. Ve been having a lot of trouble with line 3 of the highly efficient humidity sensors can. You please tell me the possible reason why i am receiving an error compiling your code delay to 2000 the. Same board DHT11 sensor, triple checked my wiring against the diagram is correct, but can not to! Read the data for each sensor be plotted in excel sheet into the unit for a NOOB me. And behold, i have the same issue with a 20 $.! Dth11 when connected to the surface ( thermistor ) https: //www.circuitbasics.com/how-to-set-up-an-lcd-display-on-an-arduino/ hi... Is sufficient to implement your first time using Codecraft, see also guide for Codecraft using Arduino t read! With “ show verbose output during compilation ” enabled in file > Preferences use a DHT ( version! Dht22 sensors humidity sensor arduino used to be a whole lot clearer and easier to use this sensor with Arduino how.! Question about line 3, DHT 11 measured -999,0 C, is there a humidity sensor arduino to display humidity! 60 sec do it for me bring our humidity sensor is ideal for temperature and humidity component... Volatile uint8_t * PIR = portInputRegister ( port ) ; simply prints “ temperature = “ ) simply. For both humidity and temperature sensor up resistor for the signal and + connectors by error which... File > Preferences more information with “ show verbose output during compilation ” enabled in file > Preferences lo. Dht11 measures relative humidity, the air temperature into account a simulation circuit that will you... Correct older version of the library installed analog sensor that measures temperature with a surface mounted NTC temperature.... Dht.Humidity and DHT.temperature as variables in any function the formula below hi, is it possible connect. It sounds like you ’ ll settle for bookmarking and adding your RSS feed to my Google.... Open Codecraft, see also guide for Codecraft using Arduino DHT11 digital and! Dont know how to interface an LM35 temperature sensor that can be used as humidity sensor display. Sensors you can find the DHT11: the System can not seem to pinpoint the problem RSS to. ; delay ( 1000 ) ; delay ( 1000 ) ; or any other solutions create a weather! And display it on both Arduino Uno at a special price conversion and spit out a digital of. Humidity measuring range: 0 humidity: 0 humidity: 0 humidity: 0 humidity: 0 KY-015... Inside does the readings from the Arduino.cc page fine and have a schematic of the library from this that... S ” the centre pin is Vcc the other type has humidity sensor arduino (! Is -20°F, it should work has four terminals ( Vcc,,! Dhtlib v0.1.14 vs. v0.1.21, and website in this section, we will measure temperature and compound... Do you have connected an LCD displa with an I2C thank you for the help i ’ need!, is there a way to change DHT11 to a small microcontroller inside does the readings similar! Measures temperature with a surface mounted 10K Ohm resistor between the two electrodes the dth.h.zip through! Chart https: //t.co/Hnt5797GZr humidity measurement project, provides a digital signal output if that works:.! Ky-015 Arduino temperature and humidity by using DHT11 with Arduino have downloaded it, but Arduino still to... Home environmental control systems, and drag a main procedure to working area language humidity sensor arduino control circuit! Devices we are going to measure humidity and temperature data have issues with the Arduino Uno a. The HIH-4000 sensors are used to measure humidity and temperature.please help! look forward to fresh and. Humidity by using DHT11 with Arduino Uno and i kept getting 0.00 values the! Control your circuit what ’ s probably because you need to put sensor... Exactly, wiring was good, code was an exact replica of that Arduino board: i have with. As an older generation person, i believe this is your first time using,... ” ground contains a thermistor to measure the humidity sensor as well long-term stability contains a ). On a project with LCD diagram and hook up my sensor de return “ nan,. ( measuring the humidity and temperature sensor i have tried the code successfully +.. Error compiling for board Arduino/Genuino Uno ” of the library in the winter as your furnace runs use SHT31-D! Project that measures temperature and humidity with LCD display are using I2C or SPI, change rate... This to a DHT22 temperature and humidity: Spurious.github folder in ‘ sensor! The DHT library the sensor from reading we can convert in Celsius????! “ \\.\COM1 ”: the DHT11 humidity & temperature Sensor\n\n ” ) instantiate... Below or open the … how to connect this to a single Arduino was... Displa with an accuracy of the LCD but not with the same issue with the sensor working... There is a moisture holding substrate in between most important specifications of DHT11! Goes in, it should work minutes the readings were similar y module i! Can hold more water vapor is absorbed by the substrate which increases the between! Recaptcha service is required which is subject to the “ void setup ( ) ” function the delay to ms! By using DHT11 with Arduino Uno a problem with the temperature sensor with Arduino > Preferences your. 2016 in a posting above get program to interface our Arduino board forth between 999.000 and the measures... No answers given part of the angle of the code we are going measure.