Workin of ultrasonic sensor

can any1 pls xplain d working of ULTRASONIC SENSOR?

or working of anyother environment independent sensors?

Please write

Please write adult-english!

And please be more specific, what is it that you would like to know precisely?

if you are good with a
if you are good with a soldering iron, I’d suggest this handy little sensor thats cheap and good at obstacle avoidance,

**ya my main purpose is **
ya my main purpose is obstacle avoidance…so suggest me cheap sensor and also its working

@voodobot
could you suggest me a good environment independent sensors…and explain its working pls

http://letsmakerobots.com/nod

https://www.robotshop.com/letsmakerobots/node/1833

that should have all you need

Yearh! :smiley:
Yearh! :smiley: