This PCB is a breakout board for the FX-603P connector. It allows connections to the signals coming out of the calculator and provides 0.1" connections. ... https://www.youtube.com/watch?v=yBEwvr8qO-8
I used a bracket to attach a readout to a Jet JWP-12 thicknesser.
Bracket is here:
https://www.thingiverse.com/thing:3567572
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https://www.youtube.com/watch?v=legU86Aekn0
The fx502p (and fx501p) can play music using it's optional cassette adapter, the FA1. This video shows a tune being played by the fx502p.
Blog:https://trochilidae.blogspot.co.uk/
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https://www.youtube.com/watch?v=4ZONTtkCTuE
This LED lamp turned on in darkness, which is no good fo a night light, so I add some components to give it a 'turn on in the dark' feature.
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https://www.youtube.com/watch?v=1daEnGIbJ3Q
If you have a RAM cartridge with 32K of RAM then you can use the select signals to create a 'pseudo A14' address line and feed that to the RAM chip. This will only work if the cartridge has the extra logic and 32K of RAM (like the one I made), and has to be plugged in to the far left hand slot as that is the only slot with all 8 select lines.
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https://www.youtube.com/watch?v=sqzKWH5p728
Using a wire brush, I had a go at taking the paint off the outside of a can. It worked quite well, but the gcode wasn't close enough to remove between the strips.
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https://www.youtube.com/watch?v=WIx4dYaHgI8
With a Link Up pack a Psion Organiser 1 can talk to the future. Well, a Psion Workabout from a decade later. The Link Up pack is a modern recreation of the original.
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https://www.youtube.com/watch?v=SJX3LJSM_3g
This is a stand that I made for the Ornisi Crane knife, so I don't lose it on my bench.
There's also a box and holder for the knife.
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https://www.youtube.com/watch?v=UFE9CJaE5Zc