This is a very sturdy aluminium cased calculator with a clock function and currency conversion. I can't find anything out about it though, so if anyone has information or a manual, i'd be very interested. ... https://www.youtube.com/watch?v=K5JSQfPJKng
The demo code from BuyDisplay has been ported to the Arduino platform and is directly driving the GPIOs with register acceses. This is a lot faster than the U8g2 library which went through digitalWrite().
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https://www.youtube.com/watch?v=1_vMZ9uxw3A
The PCBs are back. There's a couple of problems, I left a connection out that has to be wired in, and the clocks were reversed which led to a problem that could be fixed in code.
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https://www.youtube.com/watch?v=mnACEqNigV8
I have a go at removing motorcycle brake pistons from a six piston Kawasaki ZX6R caliper (or two).
One tool is a plier type arrangement, the other is a puller with slide hammer.
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https://www.youtube.com/watch?v=tO-gRQDYR5s