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Hahahaha, yes that test load was a visual indicator that the timing circuit was working. :-)
Yes soldered by hand, a lot of people couldn't believe it but it is actually very easy to do using nothing other than flux, a soldering iron, and some solder wick. Put the component down, load it with solder, then wick as much off as you can, cover in flux and heat one final time. That makes a very clean connection with all solder under the pads and nothing on top.
The hardest part about it is to line up the components, especially the USB chips on the left which didn't line up properly with the footprint.
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