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Ultrasonic Range Measurement

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13 Threads found on Ultrasonic Range Measurement
I'm trying to design an ultrasonic based level measurement. which sensor should i use? which sensor is best in accuracy? please help.
I would suggest investigating a laser range finder/ruler as these have had the benefit of development for a mass market and are now low cost and robust. They are now routinely used for room measurements for house sales/marketing and the DIY industry. Other possible options are the robotic distance measuring sensors such as produced by Sharp. Ultr
Thank you for reply, Dear I want to build circuit for measuring accurate distance 1 meter to 4 meter by using LASER, ultrasonic sensor or IR Sensor, which of the more suitable for distance finding and I can program uC ATmega,PIC and Atmel 89c52.
For such short range ultrasonic range meters are easier to make. Doing it with light needs picosecond pulses and a very fast-response receiver. Check laser distance meters to see how it is done.
hi Iwant measured water level inside tank by the ultrasonic module The tank height is 8 meters please help me,
using Doppler effect u can find distance easily whether objects are moving or not Yes. But it's the answer to a different question. As an additional remark. Combining echo ranging (time of flight measurement) with doppler speed detection has some prerequisites in time and frequency resolution that are most likely hard to achieve
ultrasonic sensors is a good option at this range.
Hello I am using PIC16F887A with 8Mhz Crystal to do range measurement the transducers are standard 40Khz Tx and RX module , The problem is 37 always appear on the LCD screen , The code goes here , Its compiled with mikroc_pro_pic_2011_v460 Downloaded from
Hello, In my project, I need to detect object within 1-5m range with Highest possible accuracy. I have been given two options.... ultrasonic sensor IR pair I am searching which one between two would be more accurate? Kindly post your views about the same.
Did you consider the effort for designing a laser distance sensor from the scratch? Profound experience with medium fast, high dynamic analog electronics is obviously required for it. At a somewhat lower signal frequency range, it's the same with ultrasonic TOF measurement. It's O.K., if the distance sensing point is your main (...)
hi i proposed a measurement a vehicle velocity used ultrasonic by doppler effect(frequency shift) please help me.
Why not to use ultrasonic t-r pair. It should be easier. Just search the web.
The PSoC range Finder is a simple, inexpensive ultrasonic distance meter that requires only the PSoC device, two 40-kHz ultrasonic transducers, two resistors, and two capacitors. Typical applications include positioning for robotics, generic distance measurement, and liquid-level measurement without contact.