Subject:
|
Re: Ultrasonic proximity sensor
|
Newsgroups:
|
lugnet.robotics
|
Date:
|
Thu, 20 Nov 2003 22:53:16 GMT
|
Original-From:
|
michael shiloh <MICHAEL@MAKINGTHINGS.nospamCOM>
|
Viewed:
|
2357 times
|
| |
|
|
On Thu, 20 Nov 2003, Jim Choate wrote:
> - Every dog (and a lot of musicians) in the area is going to go crazy when
> that thing is turned on
>
> It'd be interesting to find out where they got their transducers and what
> they were intended for before they got dumped here...
back up alarms for dogcatchers and photographers...
|
|
Message is in Reply To:
 | | Re: Ultrasonic proximity sensor
|
| (...) The frequency at which air is best matched is about 40kHz, several things with this: - low resolution because of the low frequency - going to take more power to get a given range of detection than using a commercial grade unit (works at 40kHz) (...) (23 years ago, 20-Nov-03, to lugnet.robotics)
|
6 Messages in This Thread:
  
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
