Contactless tachometer using pic microcontroller: 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 rev/sec. The tachometer use an optical pickup scheme for picking . Buy Digital Photo Laser Tachometer Non Contact Tach RPM Meter: Tachometers – ✓ FREE DELIVERY possible on eligible purchases.

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I have a problem in the optical pick up assembly. There was a problem completing your request. Fulfillment by Amazon FBA is a service we offer sellers that lets them store their products in Amazon’s fulfillment centers, and we directly pack, ship, and provide customer service for tachomeetr products.

Powered by 4 x AA Battery. Contactlesz is a device used for measuring the number of revolutions of an object in a given interval of time. Every time the collector voltage of the photo transistor goes below 3.

See all customer images. IR photo transistor is a type of photo transistor which responds to infra-red waves only. C remotes use IR sensors to operate. Please try again later.

Have one to sell? Digital tachometer using arduino plus speed control.

Each time this happens a counter is initiated. I returned this unit without any hassle as the laser dot was cut off at the upper side of the round laser dot by percent.


High intensity class II laser measures from 2. This item can be shipped to select countries outside of the U. Showing of reviews. Page 1 of 1 Start over Page 1 of 1. Controlling the speed of motor. Your email address will not contactlesss published. The screen is refreshed after each second.

In real time applications an IR transceiver module can be used instead of the transmitter receiver pair.

This is for my study and teaching the program how to srite Thanks a lot for the Originators. This article is about a contactless digital tachometer using arduino. The job of this comparator unit is contacctless convert the spiky collector wave form into a neat square pulse train so that it can be applied to the microcontroller.

Next part is the signal conditioning unit based on the opamp LM IC1.

Technical Details

If possible would u please furnish me with the PCB layout of the circuit of tachometer using given. Amazon Drive Cloud storage from Amazon. You may also like: Contactless digital tachometer using This current makes a voltage drop in the resistors connected in the circuit. Previous post Next post.

The output is given in rpm revolutions per minute and the number of digits are increased from 3 to 5. You have to test and tachoketer your sensors based on application. It looks to be made by a different company. For sending the light across directly max distance is about 10m or more with a very high sensitivity photo detector and high intensity IR LED.


: Digital Photo Laser Tachometer Non Contact Tach RPM Meter: Automotive

I want to ask whether the mechanism in this project counts the pulses for 60 seconds and then display it if so then how to configure to delay time for 60 sec and at the same time count the pulses in that duration?

Amazon Advertising Find, attract, and engage customers. Contacctless circuit of our paper was designed and implemented. I pointed it tachometee my CNC machine’s spindlewhich already has a piece of reflective tape on it, and I could not get a consistent RPM read-out.

The photo transistor and IR diode are aligned side by side. However, for most situations, as long as the little reflective tape is the one and contactlews thing–it works like a champ. This is done just because to save my time but not a text book method.

Image Unavailable Image not available for Color: I used it to confirm the speed of a three phase blower fan in a transmitter after reinstalling it after having the bearings replaced to make sure I had all three phases wired in the right order.