More Pictures
YO-530


Running the Calendar function



Profile view



Unfolded



Top and back sides



Main card with the Sharp custom all-in-one controller and 2 x 128 KB Toshiba memory chips,
Display card with the display controller located behind the LCD display.



Carefully taken apart. This kind of 2-card organizer is not easy to open.



YO-550, same model but includes the American Heritage Dictionary.


User manual

To donate your old devices and give them a second life in this collection and this website, please send us an email to pdaorga@gmail.com


This is the biggest collection of monochrome electronic organizers, text and graphic PDAs, older brothers of nowadays multimedia handheld devices in the WORLD.
It is located in Europe.

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