Abstract this paper presents the design and implementation of microcontroller based automatic fan speed regulator using temperature sensor. In this circuit, pin 3 noninverting terminal of op amp 741 is connected with the potentiometer and pin 2 inverting terminal is connected in between of r2 and rt1 thermistor which is making a voltage divider circuit. May 26, 2017 in this arduino based project, we are going to control dc fan speed according to the room temperature and show these parameter changes on a 16. Pdf design and implementation of automatic room temperature. Temperature controlled fan using arduino elementzonline. Mar 27, 2017 here we are going to make a temperature controlled dc fan. The idea was to use some kind of comparator or schmitt trigger to trigger the fan to go on at certain. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Temperature controlled dc fan using atmega8 microcontroller. Dht22 sensor is used to sense the room temperature and then we adjust speed of a dc fan motor accordingly using pwm pulse width modulation. Keywords microcontroller, oil temperature indicator, octocoupler i. Are you interested to get detailed information about the working and applications of this project. Temperature controlled fan using arduino hobby project.
I want to start off by apologizing for my bad english its not my first language. An arduino program is used to program the microcontroller based on the desired function. Automatic temperature controlled fan using arduino 8. Temperature controlled dc motor using microcontroller eeweb.
Microcontroller based temperature monitoring and control pdf. Temperature controlled dc fan using microcontroller. Pwm is a technique by using which we can control voltage. This project will display the configuration, development, advancement, control and assessment of an automatic switching speed electric fan. Circuit diagram construction and working this circuit constructed with arduino uno board as a main part and lm35 as a temperature sensor. Automatic temperature control using pic microcontroller has the ability to monitor and control the temperature of a specified space without human intervention. In order to implement a temperature control system, we need a. This is to certify that the work in the thesis entitled temperature controlled dc fan using microcontroller by ghana shyam soren, bearing roll number 111ee0236, and ram ashish gupta, bearing roll number 111ee0211, is a record of an original research work carried out by them under my. This project is used to control the speed of a ceiling. Dht22 sensor is used to sense the room temperature and then we adjust speed of a dc fanmotor accordingly using pwm pulse width modulation.
Automatic fan speed control system using microcontroller. Sep 25, 2017 project build a temperature andor humidity controlled fan with a picaxe 08m2 microcontroller september 25, 2017 by raymond genovese a picaxe 08m2 microcontroller and an hih6030 sensor team up to easily control a ventilation fan using temperature or humidity or both. The project temperature controlled fan using arduino is simply fabricated around arduino uno board and temperature sensor lm35. The arduino language is an open source project that creates microcontroller based kit for building digital device and interactive objects that can.
Temperature based fan speed control and monitoring using arduino. This embedded system works in a similar concept where we are about to control the speed of a dc motor using based on the external temperature. Microcontroller based transformer cooling control system. The rise in temperature will result in increase in speed. Working of temperature controlled dc fan using thermistor.
The projects are good example of embedded system basically designed using closedlooped feedback control system. Build a temperature andor humidity controlled fan with a. Temperature based speed control of fan using microcontroller 10. Arduino uno is the heart of this project and a l293d driver ic is used to drive the dc fanmotor. With this single chip integrated circuit design of the microcontroller the size of control board is reduced and power consumption is low. We commonly use temperature control systems in air conditioners, refrigerators, geysers, etc. The circuit can also be used in cpu to reduce the heat.
Aug 15, 2017 temperature controlled dc fan using atmega8 microcontroller circuit diagram circuit principle the main principle of the circuit is to switch on the fan connected to dc motor when the temperature is greater than a threshold value. Introduction transformer is a static device which is used to step up and step down the voltage working on the. The arduino language is an open source project that creates. Temperature controlled dc fan using microcontroller youtube. This temperature controlled fan circuit is highly efficient as it uses thyristors for power control. The block diagram includes power supply, rst circuit, 8051 microcontroller, lm35 temperature sensor, 8 bit adc, l293d motor driver, dc motor, 7segment display, ip switches. Mar 05, 20 this is a simple automatic temperature controlled fan circuit using ntc thermistor. You might have come across several applications where we need to control a specific device based on analog parameter. The fans are generally available with speed control, depending on the.
Automatic fan controller for air conditioning system. Automatic temperature controlled fan circuit using thermistor. Nov 24, 2016 automatic room temperature controlled fan using arduino uno microcontroller 1. Temperature controlled fan at89s52 free microcontroller.
Circuit diagram of the temperature fan speed control and monitoring is shown in fig. Resistors that are not thermistors are designed to have a as close to 0 as possible, so that their resistance remains nearly. Temperature based fan speed controller 12 temperature sensor. Vref and avcc for the adc are applied externally to the microcontroller. Moreover, the fan speed will increase automatically if the temperature room is. Now microcontroller is advanced among all above circuits therefore we are using microcontroller for air conditioning. Alternatively, the same circuit can be used for automatic temperature controlled ac power control. In this paper, an automatic control solution is suggested to control the fan speed. The circuit mainly consists of atmega8 microcontroller, temperature sensor, dc motor, driver ic. Pin 20 and 21 are aref and avcc pins connected to the supply voltage of 5v. Construction of a temperature controlled fan using a. Microcontroller based fan speed regulator with continuous ijoart.
In this arduino based project, we are going to control dc fan speed according to the room temperature and show these parameter changes on a 16x2 lcd display. Apr 03, 2016 share on tumblr speed of fan can be varied by changing the input supply, if w need to change the fan speed depends on temperature changes means we can implement the following application note with arduino and temperature sensor lm 35. Temperature controlled fan using arduino temperature controlled fan using microcontroller temperature controlled fan using lm35 and arduino automated fan control depending on temperature description. In this circuit, the temperature sensor used is an ntc thermistor, i.
The system will get the temperature from the ic ds1820 and it will control the speed according the values stored by the user. So this heat should be reduced in order to protect the device. Design an automatic temperature control system for smart electric fan using pic october 20 international journal of science and research ijsr 29. The main components of this temp control fan circuit is a negative temperature coefficient thermistor ntc which detects the temperature, a comparator which is used to compare the preset temperature value and a relay circuit to drive the fan. Temperature controlled fan using arduino use arduino for. Project report for temperature control system eceprojects eceprojects. The system starts and shows the temperature, if the temperature reaches 25 degrees, then the green led is activated and the room starts to cool until the temperature drops to 23 degrees, the air conditioner turns off red led until the temperature rises again. A circuit with lm35dz temperature sensor, pic16f877a microcontroller, brush. Temperature controlled dc fan using microcontroller ethesis. Automatic room temperature controlled fan using arduino uno. Aug 21, 2017 here we are going to make a temperature controlled dc fan. Jan 21, 2015 the circuit mainly consists of atmega8 microcontroller, temperature sensor, dc motor, driver ic. Temperature controlled dc fan using microcontroller project. Pdf automatic fan speed control system using microcontroller.
There are different types of microcontroller, this project focus only on the arduino uno microcontroller where its pin diagram is shown in fig. Temperature controlled fan speed microtronics technologies. Temperature controlled dc motor using microcontroller. Automatic temperature control with pic microcontroller. The primary purpose is to manage the temperature of a given area based on settings by a user of the system. Arduino based automatic temperature controlled fan speed. Most of the available fans today are controlled manually by voltage regulators which have different stages of speed. This is to certify that the work in the thesis entitled temperature controlled dc fan using microcontroller by ghana shyam soren, bearing roll number 111ee0236, and ram ashish gupta, bearing roll number. The automatic air conditioning system can be done by using electronic circuit using microprocessor or microcontrollers. Temperature controller can be done by using electronic circuit, microprocessor or microcontroller.
A circuit with lm35dz temperature sensor, pic16f877a microcontroller, brush less dc. Lm 35 is a precision temperature sensor whose output is linearly proportional to celsius temperature. The circuit is using a microcontroller to control the fan. This project presents the designs and the simulation of a dc fan control. Automatic temperature controlled fan full circuit diagram. Temperature controlled fan using arduino engineering projects. Circuit diagram of the temperature based fan speed control and monitoring using arduino. In a microcontroller in a temperature control system primitive way of using a fan by. It is accomplished by the data communications between arduino, lcd, dht11 sensor module and dc fan that is controlled by using pwm. Jun 02, 2007 this project is used to control the fan speed according to the temperature and it also indicates the temperature. In this project, microcontroller 89s51 forms the processing part, which firstly receives data from adc.
Pdf automatic room temperature controlled fan speed. Automatically control the fan speed by sensing the room temperature. The aim of this project is to design a temperature controlled fan using 8051 microcontroller, in which the fan is automatically turned on or off according to the temperature. Project report for temperature control system eceprojects. Im trying to build an automatic fan controller for a psu project im working on. Temperature controlled dc fan using microcontroller project posted june 30 2014 12.
Sep 09, 20 temperature control system project report is useful for electronics and communication students for developing this project as final year major project. Pdf nowadays technology is running with time, it completely occupied the life style of. Now microcontroller is advanced among all above circuits therefore we are using microcontroller for temperature controlling. Jul 19, 2017 a temperature controlled system is a type of control system that automatically controls the temperature of an object or an area. A circuit with lm35dz temperature sensor, pic16f877a microcontroller. Using an analog temperature lm35 interfaced to the built in adc of a programmed arduino to develop varying duty cycle of pwm output for a driver ic to run a dc motor automatically according to the sensed temperature at different speed based on the temperature sensed. In this circuit, the lm35 temperature sensor will give continuous analog output corresponding to the temperature sensed by it. Temperature controlled fan using 8051 microcontroller. Similar work was done on automatic fan speed control using pic microcontroller. Design an automatic temperature control system for smart. The project does a temperature control, we model the following situation. The block diagram of the temperature controlled fan using microcontroller is shown in the above figure.
1117 1087 743 416 1282 865 853 393 948 459 342 793 847 1014 1095 1567 793 1384 1322 1368 99 1533 1425 652 1063 226 863 227 172 598 251 1013 343 790