There's a lot to learn.
Thanks for doing such awesome work on your video!
The switching between views made it much more interesting, and I enjoyed watching the entire thing - great work!
Coffee is no good for small high precision soldering
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Superglue is also a no good thing - at all, at least on my desk and work area.
I noticed that you splosh a lot of it on your wise in the beginning, and later on it seems you're dragging it all over the bench when you gather samples, move your tools and so on.
It takes a long time to cure, is my experience only the outer layer hardens, so whenever I am forced to (supe)glue something - I just add a drop of water on top of component/pcb, and a few secs later I suck up excess water with a q-tip - and though the glue usually turns white, it can often be handled instantly afterwards.
I have some old flux that has dripped down the side of the dispenser and the fluids evaporated. It is sticking like there's no end to it. I find it easier to scrape a tad bit off, and let it hold the component to the pcb/workarea. When the component is soldered, it usually sticks in place as the flux already is solid.
Cleaning afterwards, as you clearly show is needed - it stops electrolysis of the flux components and contaminants acting as conductors - that's my understanding of why its bubbling. Alcohol (flux) is carbon, oxygen and hydrogen bonded together, so it seems to me that it is degassing through electrolysis - and stops when you remove power.
Yes, there's a lot to learn - thanks for letting me watch your work. I hope you can use my feedback.
/Egon
Btw - it seem your logic input pin is very close to shorting to the VCC/GND pin, at the edge of the pad between your soldering via's. I know the viewing angles can be tricky, and it works.
Big round of applause - you didn't say anything about a loosing a component.
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