I'm testing two miniscopes that I've recently build with the flex PCB v4.40.
When I set the LED intensity above 80 I start seeing some horizontal scanning lines. When I reach to 100 there are some thick black lines also in a horizontal scanning style.
I had the idea that the v4.40 PCB was absent of this problem.
I have also 2 miniscopes with version PCB v4.2 that also show these behavior although I understand that was expected and we are going to try to fix with the "hot fix PCB".
I attach 4 videos, one with each miniscope. 1 & 2 are the v4.2 miniscopes. 3 & 4 are the v4.40 miniscopes.
I'm using the software v1.10 and DAQ 3.3. A usb cable around 1 meter long and each miniscope has the 3 meter coax cable
From the videos I can see that with v4.40 I get more clear image (using same gain x1 in all videos) for the same set of LED. And there is no scanning lines below LED intensity 75.
So at the end, the PCB v4.40 does works better. My question is, is it normal to still have that problem when I set a high intensity? Or I should expect to not have it and I'm having another problem that I'm not aware of?