Using Two FLIR Lepton 3.5 Cameras Simultaneously with raspberry pi 4b

[Elham6796]

Thanks in advance for your prompt response; I appreciate it.

I'm currently working on a project where I need to connect two FLIR Lepton 3.5 sensors using PureThermal Mini boards to measure surface temperature in two directions. My setup uses the following:

• Raspberry Pi 4b
• FLIR Lepton 3.5
• Python 3.11.2
• OpenCV 4.5.5.64
• flirpy 0.4.0

Everything works fine when using one thermal camera. However, when I try to use both simultaneously, I encounter the following error:

raise ValueError("Unknown level: %r" % level)
ValueError: Unknown level: ...

It seems that the issue is related to an invalid or unrecognised log level being passed to logging. basicConfig().

Could you please help me resolve this issue? I would greatly appreciate any suggestions for properly initialising and handling multiple thermal cameras with flirpy.

Thanks again
Elham

[jveitchmichaelis]

Odd. Where is this being thrown, and can you find out what level is?

[Elham6796]

I'm initializing two Lepton cameras like this:
cam1 = Lepton("cam-path1")
cam2 = Lepton("cam-path2")
In the following parts of the code, how should I properly refer to each camera instance? Is this the correct way to manage and differentiate between them when using multiple cameras simultaneously?

[jveitchmichaelis]

Yeah two separate objects shouldn't cause trouble. They're separate devices underneath. Just remember to close them cleanly when you exit.