Search found 6 matches

by joao-pinto94
Wed Mar 25, 2020 10:33 am
Forum: General Topics
Topic: Count the white pixels on image
Replies: 5
Views: 782

Re: Count the white pixels on image

Thank you everyone.

Could you please explain how to define a color to find? if i want to search for black or red for exemple.

With the best regards,
Joao
by joao-pinto94
Sat Jan 18, 2020 7:20 am
Forum: General Topics
Topic: Count the white pixels on image
Replies: 5
Views: 782

Re: Count the white pixels on image

Hi kwagyeman, Thank you for the answer. Currenctly my code is: import sensor, image, time, math thresholds = (245, 255) sensor.reset() sensor.set_pixformat(sensor.GRAYSCALE) sensor.set_framesize(sensor.QQVGA) sensor.skip_frames(time = 3000) #Just to understand if the sensor needs time before start s...
by joao-pinto94
Fri Jan 17, 2020 3:10 pm
Forum: General Topics
Topic: Count the white pixels on image
Replies: 5
Views: 782

Count the white pixels on image

Hi,
Theres any exemple of using greyscale YUV color space converted to monochrome and return the number of white points on image?

With the best Regards,
João
by joao-pinto94
Thu Dec 05, 2019 9:42 am
Forum: General Topics
Topic: OpenMV pins current
Replies: 5
Views: 672

Re: OpenMV pins current

Hello everyone,

Thanks for the help.

With the best regards,
by joao-pinto94
Wed Dec 04, 2019 11:54 am
Forum: General Topics
Topic: OpenMV pins current
Replies: 5
Views: 672

Re: OpenMV pins current

Thanks you for help. Can i use some circuit like in figure to on off LASER with GPIO pin and source voltage from 5 V pin of OpenMV? I pretend to use only usb source to power all components, its possible? Im using OpenMV cam H7 with camera module. Thank you friends, https://ibb.co/rFHYsK6 With the be...
by joao-pinto94
Tue Dec 03, 2019 11:59 am
Forum: General Topics
Topic: OpenMV pins current
Replies: 5
Views: 672

OpenMV pins current

Hello everyone, im staring with OpenMV, Im looking to implement 4x LASER on board with 4.8V and 120mW. I couldnt found information about pins, can i connect the LASERs directly on board or need some extra power/battery to implement? I pretend to start the LASERs with GPIO and take a shot of the poin...

Go to advanced search