I found a solution to my problem !
One of my threads was looping continuously, I used a time.sleep and it works well now!

Thanks for your help again

Here is the output for dmesg, if it can help. pi@raspberrypi:~/Desktop/SecurityBoard/V1/Python $ dmesg [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Lin...

No. There is another explanation (unknown as yet) for the latency you are experiencing on the 3B; probably having more to do with whatever else is running on the system, how you have it configured, and so on... That's what I don't understand, I have nothing else running on the Pi than my program. I...

Thank you for your help ! The B+ Raspberry is running Raspbian 7 (3.18.11) and the Raspberry 3 is running the latest OS , Jessie 8 (4.1.18-v7). Do you think there is something wrong with the compatibility between the two OS? I know that the Pi B+ isn't obsolete yet, but we want to be sure that the d...

Hi everyone, Last year, I wrote a Python program for my company initially to run on a Pi B+ . The Python version was then 2.7.3. My code, uses libraries such as RPi.GPIO and integrated socket and threading packages. All was working fine, as expected on B+. This model becoming obsolete, we wanted to ...