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chuma's latest activity
Please can you read through and vote on the following proposition for changes to the board structure by
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chuma
posted the thread
Are these ventless electrolytic caps bad?
in
Soldering and Repair
.
I'm having two strange issues with my Sharp PT-9000: I can't get a good read from the resistive touchscreen, and the serial port sends...
Feb 5, 2026
chuma
replied to the thread
I Got a New Kaypro PC-30: How Does It Work?
.
You probably already found https://kayprojournal.com/index.php/Kaypro_PC which has lots of info about this machine. It's essentially a...
Feb 2, 2026
chuma
replied to the thread
Any interest in Palm Pilots?
.
I'm sure that some people still do. My life is slightly complicated and I got hooked by running my own CalDAV server over a decade ago...
Jan 30, 2026
chuma
replied to the thread
Any interest in Palm Pilots?
.
I acquired the handheld collection of another local retro collector last year, and it included many PalmOS devices. I haven't...
Jan 29, 2026
chuma
posted the thread
Old resistive touchscreen responds, but won't calibrate
in
Soldering and Repair
.
I recently acquired what seems to be a real unicorn of a device, a Sharp PT-9000 tablet computer, circa 1994. It's a chunky tablet...
Nov 26, 2025
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