@robotbuilder Thanks for the response! Yes, the power source is a battery. I think I misunderstood parallel circuits. I didn't realize that adding...

Thank you for the kind words! I'm enjoying learning and experimenting (for me, swapping out parts is still an "experiment"). It's great to have the ...

Ron, Could you recommend a specific meter or brand? I searched for multimeters with clamp on ability, and the prices ranged from about $30 to over ...

It was the batteries! I tried two and thought that was enough. Next time I'll try three. The two batteries that I was using initially were from ...

Ron, thanks for the response. I'm going to get new batteries later today. The batteries I tried were unused, but they could be years old. I'm also ...

Hi Dave, Thanks for the help. The power supplies are "HiLetgo", not sure if that is the type you're describing or if that's enough information. H...

Hi Ron, thanks for the response. It's good to know that I should be seeing steady voltage. I should have mentioned that I've tried with two batte...

I think I just had a bad camera. I had ordered two units, so I replaced the camera with the camera from the second esp32 and it worked fine.

@zander, Thanks again! I'll be prepared for a failed compile. It's going to be a while before I get to that point, but I will contact you when I'm t...

@zander, Thanks for the help. Your explanation about how the internal voltage regulator is used is very helpful. I will use an external voltage regu...

@davee Hi, I agree, the advice has been terrific. It's great to get so many responses! Thanks for the information about the Amazon URLs. I'll keep...