Hi Gary, it is a Raspberry Pi and the camera for it. Costs about $60-75 if I recall correctly. It's been in use for years now and never had a problem...
I rarely see anyone here discuss panel saws. I own one and have found it to be a great way to break down sheet goods, especially 12 foot long Corian...
I get my collets from Precise Bits. I typically order precision grade, .0004 TIR. I use the .250 collet 80% of the time so it gets replaced every few...