@davee Thanks. I reduced the vid size to 640 x 480 and much better. As it turned out the video stablized so the refresh is very short - still jerky be...

@zander Actually, it tamed down to a reasonable refresh. Still jerky but possibly every 1/2 second or so. Also, I changed vid resolution to 640 x 480 ...

Issue resolved. Unknowingly I had an Uno in one USB and the 8266 in the other. Disconnected Uno and all good. Suppose there was a conflict in Windows....

Thanks everyone for the feedback I have not had opportunity to check but I believe I was trying to compile under ESP8266 instead of Uno. The light cam...