PeteJ
Pulling my weight
Hmmm. A long time ago I bought one of these:
View attachment 220896
for use with my RLC-423S BeeCam, because YouTube Stream Now requires an audio track*, but I never hooked it up because it was too much trouble to extract my BeeCam wiring from the box I crammed it into, so it's sitting in a box somewhere in my junk room. I should go find it.
* I worked around that issue by adding a classical music track.
I took my camera apart, and unless the mic is hidden somewhere, it does not have an onboard mic. I would assume that if there was one, it would either be on the lens cover and would have a lead back to the main PCB, or on the PCB itself if it were meant to detect noise rather than record audio.
There does seem to be some pins left open on the header for a mic along with unpopulated pads for caps or resistors.

On the lens cover, there are 2 sets of IRs, both 850nm. Each set is driven independently by the near and far IR settings in the software. The defused one is the near.


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