ultrasonic sensor for mini robot, source code

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nebisman

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Please anyone can help me with schematic and source code for ultrasonic sensor to be used in a minirrobot.

Tkx
Nebisman
 

you can find numerous schematics over internet.

But i tell you that ultrasonics sensors normally work with 40KHz signal, so you only have to make an oscillator al this frequency for the emitter, and modulate you data in OOK mode. So the reciever only have to make a de coder for this signal. it's not difficult

regards
 

Among the numerous schematics on the net here is
one of the most clever I've found : Devantech's SFR04.

Here is the public version :
 
See Circuit Cellar

149 or 150 issue, here is range fider. The magazines can be downoaded from ebooks
 

Take a look in sfr08

see at link:
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You will find good circuits and articles
look at this links for schmatic and sftware about sfr08.
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You can buy a ultrasonic distance sensor from jameco. It uses rs232 as i remember. It's very simple to use.
 

Range Finder

Please visit www.cypressmicro.com -> CircuitCellar App Notes Here is Range Finder with 2 passive components only!
 

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hope all these links to help you!!!!
 

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