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49164

Re: Top Level Programming by Data Flow Picture

Dick ... So have you written a pictorial IDE? ... So does your pictorial IDE write C code which is then compiled? How do you handle parallel processing in C?
Peter Balch
Mar 26
#49164
 
49163

Re: More on Graphic Sonar Array

Well, I can't really remember exactly why or what I was attempting to do with them, I just remember that it was a lot've fun and very educational. Sent From
Blake Raymond
Mar 25
#49163
 
49162

Re: More on Graphic Sonar Array

Blake ... What did you do? What were the results? Chuck ... The difference may be that the textbooks only consider the simple case of a continuous wave. As far
Peter Balch
Mar 25
#49162
 
49161

Top Level Programming by Data Flow Picture

Kevin, Peter, Tony Thank you all for your responses! I had intended to start a new subject line in my previous post, but brain fog got in the way. So this
Dick Curtiss
Mar 24
#49161
 
49160

Re: More on Graphic Sonar Array

I had tried experimenting with phased arrays, it turned out to be very helpful. Sent From Blake's 1st Linux Laptop
Blake Raymond
Mar 24
#49160
 
49159

Re: More on Graphic Sonar Array

Thanks for the links. They would make quite advanced projects, out of my reach. I'm basically using multiple voting to choose a best route. The sonar would
KM6VV
Mar 24
#49159
 
49158

Re: More on Graphic Sonar Array

I've been looking for more recent pictures of the sonar head. It now has a mount for a Hero 3 camera and a internet camera mounted on a tilt-pan mount. And
KM6VV
Mar 24
#49158
 
49157

Re: More on Graphic Sonar Array

... Probably because the transducers are very different with different power levels and very different costs. The aluminium can 40KHz 'hobby' ones sometimes
David Buckley
Mar 24
#49157
 
49156

Re: More on Graphic Sonar Array

You might enjoy setting up some phased array experiments in a ripple tank, either a real one or one of the simulators you can find on the web. It may turn out
Chuck Harrison
Mar 24
#49156
 
49155

Re: More on Graphic Sonar Array

... I was talking about the medical ultrasonic device I happen to be working with - not a hobby robot one. My point was that if you read about phased-array
Peter Balch
Mar 24
#49155
 
49154

Re: More on Graphic Sonar Array

... What!!!! In dry air at 20 °C (68 °F), the speed of sound is 343.59 metres per second (1,127 ft/s) wikipedia.org/wiki/Speed_of_sound Just remember Grace
David Buckley
Mar 24
#49154
 
49153

Re: More on Graphic Sonar Array

... Have you looked at the relative timings to get a better estimate of the angle of the object? Is that what you're doing? So has anyone here experimented
Peter Balch
Mar 24
#49153
 
49152

Re: More on Graphic Sonar Array

Wow, I would like to see the whole robot. My project wasn't about the sonar array but the software program to use with it. What did your robot do? Was it for
carolhazlett
Mar 23
#49152
 
49151

Re: Anybody seen this robot kit before?

It has been there somewhere since day 1. I used to use it occasionally in a debugger known as ICE. It is now in visual studio without an add on, called
mike_partain
Mar 23
#49151
 
49150

Re: More on Graphic Sonar Array

I did a 6-sonar (SRF-08) array project for a Schmartboard contest back in 2010, and then revived it to a 5-sensor array to put on my Hexatraxx RoboMagellan
KM6VV
Mar 23
#49150
 
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