A look inside a washing machine friction damper. This one was from a Miele W827. The replacements weren't the same part, as this particular damper has been superseded. The dampers are attached to the bottom of the drum and prevent excessive oscillations when the load is imbalanced.
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https://www.youtube.com/watch?v=LE8aOh5x6Ek
Can you heat up a PLA print and push a PCB into it to form a mount for stencilling solder paste?
Yes, you can, but does it work?
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https://www.youtube.com/watch?v=fDxSmwhoX48
The contents of RAM are saved to EEPROM and then restored on power on. This is great until it goes wrong and you can't get rid of it. So you need an escape hatch.
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https://www.youtube.com/watch?v=JUwvwgIJy-I
I couldn't read some of the Russian keys on the MK-52 so I made some English ones.
More details here:
https://trochilidae.blogspot.com/2019/12/mk-52-calculator-mk-52-is-russian.html
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https://www.youtube.com/watch?v=7eO5XgGStMQ
I have a go at driving this ALPS printer plotter mechanism that I got recently. It has no electronics at all.
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https://www.youtube.com/watch?v=gj6BrnpXvRs
This is a Panasonic lens that I fixed, then broke and fixed again. I also have a fixed battery door clip on my GF1 that I broke at the same time.
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https://www.youtube.com/watch?v=DNaKrQAsZd0