Search found 10 matches

by tomkib
Mon Jun 22, 2020 7:46 pm
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

Re: OpenMV camera works then quits

How do I re-flash the part? What are the steps
by tomkib
Mon Jun 22, 2020 5:45 pm
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

Re: OpenMV camera works then quits

I tired a separate power source , same issue, FYI the unit draws less then 130ma under several different examples, more interesting though, is I purchased and received a new unit from SparkFun and it runs under same conditions flawlessly. I tested it for five hours w/0 a hiccup. What does this say? ...
by tomkib
Wed Jun 17, 2020 7:16 pm
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

Re: OpenMV camera works then quits

Very interesting, could I supply power independently through a pin and ground while maintaining USB? If so what voltage level and pins .
Thanks,
Tom
by tomkib
Wed Jun 17, 2020 4:23 pm
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

Re: OpenMV camera works then quits

Ok I tried several USBs ( short, long, gold plated) still occasional crash! I use USB all the tIme with ESP32 , Arduino, PIC32 w/o issue. The though that bugs me is that Full frame Helloword works w/o any issue no crashes High FPS, It only occurs when I do other examples. I am purchasing another Ope...
by tomkib
Wed Jun 17, 2020 12:47 pm
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

Re: OpenMV camera works then quits

Thanks I agree . The PC is new Windows HP Spectre with both USB 2.0 and 3.0
Has anyone else experience a similar problem? Is there a way to configure setting on USB?
Tom
by tomkib
Wed Jun 17, 2020 11:05 am
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

Re: OpenMV camera works then quits

I tired it and unfortunately got same results. The system runs and then disconnects after a time to USB, causing a need to reconnect. I even uninstalled and reinstalled Open MV IDE w/o difference. with frame buffer off it runs longer before disconnecting. I am at a lot, any advise would help greatly...
by tomkib
Tue Jun 16, 2020 12:38 pm
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

Re: OpenMV camera works then quits

Thank you, what is odd is that I can run HelloWorld w/o crashing. All other project and example run but at some point stop and disconnect the camera. I can easily reconnect and resume but again the disconnect occurs at some random interval . Seems like a buffer overflow? I am running under Window 10...
by tomkib
Tue Jun 16, 2020 10:44 am
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

Re: OpenMV camera works then quits

you asked for camera model it is OpenMV H7 with OV7725 image sensor

As I am testing i finding that turning off framebuffer increases the stability of operation--no crashes.

Hope this helps!
)
another question --where can i get the cifar file for net = nn.load('/cifar10.network'
please advise
Tom
by tomkib
Mon Jun 15, 2020 8:33 pm
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

Re: OpenMV camera works then quits

# Find Circles Example # # This example shows off how to find circles in the image using the Hough # Transform. https://en.wikipedia.org/wiki/Circle_Hough_Transform # # Note that the find_circles() method will only find circles which are completely # inside of the image. Circles which go outside of...
by tomkib
Sun Jun 14, 2020 9:08 pm
Forum: Project Discussion
Topic: OpenMV camera works then quits
Replies: 18
Views: 640

OpenMV camera works then quits

using circle detection and system works for a bit then disconnects itself and then end by opens its internal flash drive with blue led flashing please advise Tom # Find Circles Example # # This example shows off how to find circles in the image using the Hough # Transform. https://en.wikipedia.org/w...

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