Posting Images with rpi not updating in thingspeak
I can upload an image using postman. But when I try it with my rpi the image never shows. I receive status code 202. Then the current image from postman goes blank. Tells me the post sort of worked... Does anyone have working python3 code that they can share?
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I've had this problem before. The issue is the format that the PI sends the bytes for the image for an HTTP POST arent recognized as a valid image type by MATLAB in ThingSpeak.
I was just using a pic already on the Pi, using a path to the actual pic. Trying to do it similar to Postman.
I tried to use the posted code and it failed. Hence tried postman and it worked. So tried to duplicate postman in python and it failed. I think issue is the new rpi os, python 2 vs 3? Anyone? Looking to getting it to work.
The code in the example I shared has a part for a local filename. If you chage that to match your file does it work? Is the method you are using similar to what is shown in the code?
When I tried a curl command directly from command line in the pi, I got the same problem you described.
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