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[on:]

Thanks for reading, I am fairly new to Arduino, and have a few questions.... I want to find the best distance sensor for a particular project which involves mounting the sensor on a bicycle and measure the distance between the bicycle and other vehicles passing by. Speed range of the other vehicles would be up to 70 km/h. I am not sure what kind of distance sensor would give the most accurate data for this kind of application. I am planning to collect from 10-20 readings per second... Also a link to some type of tutorial for the proposed sensor or similar project would be appreciated...

Thank you for reading, and hope to hear from you soon...

[Reply #1 on:]

Though speed of the object is a significant consideration, a more important one will be the range of distances you want to detect the other vehicles.  Since will be dealing with automobiles traveling at 70 km/h, I doubt the minimum range would need to be less than 10 cm.   However, you would still need to to determine the maximum detection range you want.   

[Reply #2 on:]

I am sorry, I forgot to post the range. It is from 30 cm to 500 cm.

Thanks