Simple but accurate digital tachometer using 8051 microcontroller 8051. Here we are going to design an arduino based digital tachometer using ir sensor module to detect object for count rotation of any rotating body. Apr 20, 2015 contactless digital tachometer using 8051. This project can be extended further by adding data logging feature to it. Digital tachometer using 8051 microcontroller contactless type is the artlcle explaining digital tachometer using 8051 microcontroller a tachometer is. Design of a high performance digital tachometer with a microcontroller, instrumentation and measurement, ieee transactions on, vol. Time measurement digital tachometer a tachometer that calculates the speed by measuring the time interval between incoming pulses is known as a timebased digital tachometer. The device usually displays the revolutions per minute rpm.
Here, in this project, we designed a simple non contact or contactless digital tachometer using 8051 microcontroller, which can measure. This project can be extended further by adding data logging feature to. Lcds are used in a wide range of applications including lcd. Introduction to digital tachometer circuit working with 8051. As we already posted an articles on how to control speed of dc motor using pic microcontroller. As ir transmits ir rays which reflect back to ir receiver and then ir module generates an output or. Usually it is expressed in revolutions per minute or rpm.
A digital tachometer circuit comprises lcd or led read out and a memory for storage. May 29, 2019 contactless tachometer using pic microcontroller. Aug 07, 2017 speed of an electric motor is determined by the number of revolutions made by the motor in one minute. An infrared sensor which is shown in figure 3 is an. Contactless digital tachometer using pic microcontroller hey friends, i should have posted this project last month itself but there was some problem with the circuit. In noncontact speed measurement technique using 8051 microcontroller digital. Contactless digital tachometer using 8051 microcontroller. Best guide to learn about contactless digital tachometer, a diy project do it yourself using 8051. Frequency measurement digital tachometer a tachometer that calculates. Hence there is a requirement for a contactless digital tachometer which can be easily used with monitoring system. Bonert digital tachometer with fast dynamic response implemented by microprocessor, ieee trans. Aug 24, 2019 contactless tachometer using pic microcontroller.
Here, in this project, we designed a simple non contact or contactless digital tachometer using 8051 microcontroller, which can measure speed with an accuracy of 1 revsec. Microcontroller based tachometer full project with source code. To show that contactless tachometer is more efficiency when using the. In other words, speed is measured in rpm revolutions per minute. Microcontrollerbased tachometer a tachometer is nothing but a simple electronic digital transducer. Digital tachometer using 8051 microcontrollercontactless. Tachometer is a device used for measuring the number of revolutions of an object in a given interval of time. A three digit contact less digital tachometer using 8051 microcontroller which can be used for measuring the revolutionssecond of a rotating wheel, disc, shaft or anything like that is introduced in this project. Contactless digital tachometer using 3 digit display and measures upto revsec. A digital tachometer is a digital device that measures and indicates the speed of a rotating object. The instruments can also be used as a contacttype tachometer by attaching the z5003 contact adapter. A microcontroller based tachometer is a device that measures the rotation speed of a shaft or disk in motor or other machines 1. Contactless digital tachometer project is designed to measure speed of dc motor using pic18f46k simple but accurate digital tachometer using microcontroller has a resolution of 1 revsec. This kind of tachometers requires regular maintenance and is complicated to use.
The number of revolutions per minute rpm is valuable information for understanding any rotational system. This paper is about contactless digital tachometer designed using infrared methodology. The rpm and all the other informations are displayed on a 16. This is my another instructable contactless tachometer using arduino and ir sensor. This contactless tachometer project is based on an atmega48 avr micro controller, and is able to measure very high rpms, as well as very low ones. The contactless tachometer works on the basis of the infrared transmitter. This paper mainly focuses on developing a contactless digital tachometer. Digital tachometer period measurement principle for. Pdf digital tachometers for speed and position measurement.
In this application ir frequencies are used to calculate the speed of. With the advent of modern electronics, the tachometers have changed a lot. Bonert digital tachometer with fast dynamic response implemented by. A digital tachometer based on an infrared light reflection technique has been demonstrated successfully. The module is connected to the pc through serial port. The arduino uno is a microcontroller board based on the atmega328.
There are two types of tachometer one mechanical and other one is digital. Introduction to digital tachometer circuit working with. Digital tachometers are more common these days and they provide numerical readings instead of dials and needles. The speed of the motor can be also controlled using the same circuit. Oct 30, 2018 here, in this project, we designed a simple non contact or contactless digital tachometer using 8051 microcontroller, which can measure speed with an accuracy of 1 revsec. In this application ir frequencies are used to calculate the speed of the motor. Abstract this project aims to design and implement a driver information and feedback system for the.
Noncontact digital tachometer ft3405, ft3406 hioki. How to make a 99000 rpm digital contactless tachometer. Ee 331 design project final report u of s engineering. Speed of an electric motor is determined by the number of revolutions made by the motor in one minute. The tachometer can measure up to a maximum of 255 revsec at an accuracy of 1 revsec. Contactless digital tachometer using you an use keil to code, compile and test the program code. Digital tachometer using arduino plus motor speed control. A tachometer that calculates the speed by measuring the time interval between incoming pulses is known as a timebased digital tachometer. Jul 14, 2019 contactless digital tachometer using 3 digit display and measures upto revsec. Design and development of a smart digital tachometer using. Tachometer is a device which is used to measure the revolution speed of any rotating object.
Advantages of contactless tachometer over traditional the current design is an embedded application which is used to calculate the speed of the motor without the need of tachometer. Infrared sensor is used to measure the rotational speed of locomotives or cars. The tachometer use an optical pickup scheme for picking. I inspired to make this project when i need to measure the rpm of dc motor, then i started to make contactless tachometer. Design of a high precision digital tachometer for speed and position measurement. How to make a contactless digital tachometer using ir. The infrared system senses the interruption in the beam of rays. If anyone has doubts regarding this project, please use forum for more detail. Jan 25, 2017 digital tachometer using 8051 microcontroller contactless type is the artlcle explaining digital tachometer using 8051 microcontroller a tachometer is basically used to measure angular speed of a motor. Frequency measurement digital tachometer a tachometer that calculates the speed. This project can be practically used in various types of equipment for counting, speed monitoring and in process control applications. But here we demonstrate this project using ceiling fan.
Design and construction of tachometer using arduino microcontroller free download as powerpoint presentation. The aim of the project is to design a contactless speed sensing device for a dc. Dec 15, 2016 download contactless digital tachometer project. The future scope of this project can prove to be a revolution in medical field. Design of a portable contactless tachometer using infrared. Jul 27, 2014 this article is about a contactless digital tachometer using arduino. Based on the measurement technique, the tachometers are of the following types. The sensor used here is infrared ir transmitter receiver pair, the controller used is the 8051 microcontroller loaded with a compiled code and the actuator is a display device, for displaying the speed of the motor. Digital tachometer general digital tachometers are particularly suitable for the precision measurement and monitoring of all time related quantities, which are able to be converted into a proportional frequency using appropriate sensors timerelated quantities include rotational and linear velocity, flow rate and related quantities.
But to measure speed of dc motor, we have to measure motors revolutions per minutes. Tachometer is used to measure speed of motor or shaft or propeller. A rotating object may be a bike tyre, a car tyre or a ceiling fan, or any other motor, and so on. Salice peter 1, naveen n m 2, nidheesh m n 2, swethaannu james 2. The infrared system generates the pulses from the fan which will be sent to. The basic principle behind the contactless digital tachometer involves a simple embedded system with a sensor, a controller and an actuator. Aug 04, 2019 contactless tachometer using pic microcontroller. This project can be practically used in various types of equipment for counting, speed monitoring and in. Contactless digital tachometer project is designed to measure speed of dc motor using pic18f46k22 microcontroller. This article is about a contactless digital tachometer using arduino. A tachometer is nothing but a simple electronic digital transducer. A tachometer which is in contact with the rotating shaft is known as contacttype tachometer 8. Time measurement and frequency measurement digital tachometer. The circuit diagram of the digital tachometer using arduino is shown below.
Its major advantage is that it doesnt require any physical contact with the rotating shaft to measure its speed. Contactless digital tachometer using pic microcontroller a tachometer revolutioncounter, tach, revcounter, rpm gauge is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. About this course it is designed for anyone who are interested in developing 8051 based projects and this will introduce the 8051 hardware and programming environment to get you started on building projects. Introduction in order to constructing a simple digital rpm meter, we need to work in three different fields. Digital tachometers are more common these days and they. Contactless digital tachometer using 8051 electronics. It is built using microcontroller, an infrared system and lcd module.
Design and construction of tachometer using arduino. Normally, it is used for measuring the speed of a rotating shaft. The resolution of this tachometer is independent of the speed of the measurement, and it is more accurate for measuring low speed. Pdf this article decribes a digital tachometer for angular position and speed measurement. Contactless digital tachometer using 8051 circuit diagram, working process. The hioki ft3405 and ft3406 are portable, contactless digital tachometers that use reflected visible spectrum light to measure the speed of a rotating object to which reflective tape has been affixed.
A contactless tachometer is a device which uses infrared sensor and a microcontroller like 8056 or arduino to measure up the speed of the running motor and based on a pre set value the cut off circuit present cuts off the supply of the motor when. Design of a contactless tachometer open access journals. Contactless digital tachometer using pic microcontroller. Digital tachometer using arduino plus speed control. Contactless digital tachometer pdf july 14, 2019 by admin simple but accurate digital tachometer using microcontroller has a resolution of 1 revsec. It has 14 digital inputoutput pins, 6 analog inputs, and a 16mhz ceramic resonator used for counting the rpm. Digital tachometers for speed and position measurement.