To download the library we used and the sketch please check o. Hi, hello electronics lovers welcome to this tutorial, in this tutorial i will show you how to interface dht11 a very popular temperature and humidity sensor with arduino. Hs1101 capacitive humidity sensor is interfaced with pic16f877a microcontroller to measure humidity and lcd is used to display percentage humidity in the air. Arduino and hs1011 humidity sensor example the hs1101 humidity sensor is a costeffective solution for measuring relative humidity within 5% accuracy. For this, you need to include the dht11 library in your arduino code. After that, ill 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. Digital humidity sensor with lcd display is used to measure the relative percentage of water vapors in air. Based on a unique capacitive cell, these relative humidity sensors are designed for high volume, cost sensitive applications such as office automation, automotive cabin air control, home appliances, and industrial process control systems. Humirel, alldatasheet, datasheet, datasheet search site for electronic components and. Am2302 dht22 digital temperature and humidity sensor module for arduino uno r3. You can find the dht11 sensor of 2 types in the market. A library to interface to an ti fdc1004 capacitiv sensor. Hs1101 arduino turns on the exteranl 555 and counts the number of pulses on digital pin 5 also atmel input t1 using timer 1. Coding in the arduino language will control your circuit.
Arduino uno any uno will work, i have a geekcreit uno. Im using this to grow mushrooms and need the humidity to stay upwards of 90% which this unit achieves with no problem so i would like to set the alarm to a higher point, like 8085%. All the arduino 00xx versions are also available for download. Using the hs1101 humidity sensor with an arduino example mikro. This guide will cover how to use this sensor, complete with wiring diagrams and code examples. Hs1101 humidity sensor propeller arduino code parallax inc. Dht11 temperature and humidity sensor printing to an i2c 16x02 lcd. Hs1101 capacitive humidity sensor hygrometer arduino. Great for all of your environmental sensing projects. Dht11 temperature and humidity on i2c 1602 lcd arduino. I am using dht22 temperature and humidity sensor with arduino uno r3 and getting its data from arduino serial monitor.
Arduino and hs1011 humidity sensor example get micros. Crazy circuit diagram for a hs1101 humidity sensor page 1. Based on a unique capacitive cell, these relative humidity sensors are designed for high volume, cost. Before i go to next step i think i need to tell you some thing about dht22. New humirel humidity sensor hs1101 arduino hygrometer. This sensor contains a thermistor temperature sensor and a capacitive humidity sensor. Library code for hts221 capacitive digital sensor for relative humidity and. Arduino code am2315 encased i2c temperaturehumidity. Its humidity range is 0100% and temperature range is 40.
All of the source code is also available from the downloads section of the hs1101 relative humidity sensor product page at v you should obtain results similar to those shown in figure 3. It can be used as humidity sensor as well as the temperature sensor. Dht11 temperaturehumidity sensor arduino project hub. In the arduino ide, go to sketch include library add zip file. This means the library is compatible with any arduino compatible board. We will design a device that will be capable of measuring room temperature and environmental humidity. The sensor s design is based on a unique capacitive cell. Unlike lm35 this is a digital sensor which has only a single pin output and easily displayed humidity and temperature. This is an arduino library for the dht series of low cost temperature humidity sensors. No matter which product you are using, make sure that you have made the definition line of the sensor of your board into effect and commented out the definition lines of. In this project, we will use the ky015 arduino dht11 temperaturehumidity sensor and display it to the arduino ide serial monitor.
The sensor has been in storage for over a year but was working last time i used it. Hs1101 humidity sensor 2pin based on a unique capacitive cell, these relative humidity sensors are designed for high volume, cost sensitive applications such as office automation, automotive cabin air control, home appliances, and industrial process control systems. How to setup dht11 sensor with arduino electronics. Hs1101 humidity sensor hygrometer range 199%rh for. Hs1101 capacitive humidity sensor humidity capacitance 2pcsin. This tutorial shows how to use the dht11 and dht22 temperature and humidity sensors with the esp32 using arduino ide. The arduino ide can be used on windows, linux both 32 and 64 bits, and mac os x. The dht11 temperature and humidity sensor senses, measures and regularly reports the relative humidity in the. A library for communicating with the six axis shield. Relative humidity sensor, hs1101 datasheet, hs1101 circuit, hs1101 data sheet. This sensor has three pins, the first pin is the power pin vcc, the middle pin is the signal out or data pin and the last pin is gnd. This project is really simple and shouldnt take us very long.
Esp32 with dht11dht22 temperature and humidity sensor. Based on a unique capacitive cell, these relative humidity sensors are designed for high. The circuit youve shown is a discharge time measurement circuit. Interfacing of dht11 temperature and humidity sensor with. Relative humidity measurement using the humirel hs1101 sensor. Sparkfun shtc3 humidity and temperature sensor library. Dht11 arduino interfacing the engineering projects. Download the previous version of the current release the classic arduino 1. Second, the humidity sensor is easily replaceable since it just plugs into the sensor lead but for whatever reason inkbird doesnt sell the replacement sensors. All of the source code is also available from the downloads section of the hs1101. In this tutorial, you will learn how dht11 and dht22am2302 digital temperature and humidity sensors work and how you can use them with arduino. Dht11 temperature and humidity sensor with arduino techzeero. Hs1101 humidity sensor code problem parallax forums. This sensor is precalibrated and dont require extra components so you can start measuring relative humidity and temperature right away.
Dht11dht22 sensor with arduino random nerd tutorials. They are a relative humidity sensor and absolute humidity sensor. Dht11 is a digital temperature and humidity sensor. The hs1101 humidity sensor is a costeffective solution for measuring relative humidity within 5% accuracy. Today, i am going to provide a detailed discussion on dht11 arduino interfacing.
Lm34dz temperature sensor, hs1101 humidity sensor, and a forcesensing resistor and. With the hih4030 breakout, all you need is three wires between your microcontroller and the breakout board. Hi everybody i have been expermenting with the hs1101 humidity sensor that i got from parallax. Then turns the 555 off to avoid the noise associated with this rail to rail oscillation. I hope you all will be absolutely fine and having fun. Dht11 is basically a temperature as well as humidity sensor. Here we also display those readings on an lcd display. Based on a unique capacitive cell, these relative humidity sensors. Simply we will design a digital humidity and temperature meter using arduino and dht11 sensor with the value displayed on lcd.
Hs1101 capacitive humidity sensor for arduino, raspberry pi etc. This is a simplified circuit that should only be used to get your humidity sensor up and running. Arduino weather station using dht11 electronicslab. Below you can find dht11 arduino code and dht11 library. Hs1101 humidity sensor propeller arduino code download summary arduino uno example sketch for the hs1101 humidity sensor. The humidity sensor is a variable capacitor, with its capacitance being proportional to humidity. In this example, you will learn how to use this sensor with arduino. This was putting a huge obstacle before me and it was taking a long time to get projects to work. In these tutorials, we will measure temperature and humidity by using dht11 with arduino. There are a couple of ways to do it, but it works like this. Humidity measurement determines the amount of moisture present in the gas that can be a mixture of water vapour, nitrogen, argon or pure gas etc humidity sensors are of two types based on their measurement units.
How to set up the dht11 humidity sensor on an arduino. My problem is that when i run the code the output is ok one time thru, then next tme through it is messed up. These sensors are very popular for diy electronics projects and are perfect for remote weather stations, home automation projects and plantgarden monitoring systems. Well go through a quick introduction to these sensors, pinout, wiring diagram, and finally the arduino sketch. Lets read some temperature and humidity with the help of this dht11 module and an arduino uno. The hs1101 humidity sensor is a costeffective solution for measuring. Dht11dht22 sensors with arduino tutorial 2 examples.
Digital humidity sensor with lcd display using microcontroller. Cheap humidity sensor, buy quality hs1101 humidity sensor directly from china sensor sensor suppliers. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and sends a digital signal on the data pin. Arduino uno and direct compatible boards, using the arduino 1. For humans, there is a certain limit for water vapors presence in the air. Using the hs1101 humidity sensor with an arduino example. You need to very quickly toggle the microcontrollers port pin between a digital output set at logical 1, and an analogue. Im using this sensor and the demo come it comes with on a seminew bs2 usb hw board. How to use bme280 temperature, humidity and pressure sensor.
In this tutorial, ill first go into a little background about humidity, then ill explain how the dht11 measures humidity. Complete guide for dht11dht22 humidity and temperature sensor with arduino this article is a guide for the popular dht11 and dht22 temperature and humidity sensors with the arduino. On both the debug terminal and lcd it is outputting a. Sparkx humidity sensor breakout shtc3 qwiic this arduino library allows you to take humidity and temperature readings using the shtc3 sensor from sensirion using the standard wire i2c library built into arduino. Well explain how it works, show some of its features and share an arduino project example that you can modify to use in your own projects. To distinguish hs1101 from hs1101lf, hs1101lf is designed with a black plastic cap.
1298 21 1065 723 750 44 1152 1238 660 645 1250 1502 1458 1107 1263 1120 967 754 1380 1200 1540 730 939 928 1069 555 957 351 1089 88 515 308