Just stumbled across this and thought that it would be of interest to the builders/repair people here. An inexpensive (on sale right now for $33) 2 MP endoscopic camera, with LEDs, at the end of a 3 meter cable. The camera has a WiFi transmitter at the end of the cable and is compatible with Mac, PC, iOS, and Android (so it says).
What's not to like. You can now look inside an instrument with out contorting mirrors and lights.
https://stacksocial.com/sales/wifi-h...oscopic-camera
NFI (of course)
Pete
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