Post #3553714
2026-07-01 17:07 UTC
You've got a smart watch? Shrug. I had one almost 30 years ago. Let me introduce you to the onHandPC, also called Ruputer in Japan. As the name suggests, it's a wristband computer with a 16-bit 3.6 MHz CPU and 2 MB memory. It has a serial and IR interface. The cool thing is that it comes with a software development kit and you can write software in C for it. I didn't really understand C at the time. In particular pointers were a complete mystery to me. #retrocomputing #smartwatch
Replies (3)
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@hannorein@mastodon.social 2026-07-01 17:11
Given that, it's quite amazing that I was able to write several apps for it when I was in highschool, including a currency converter, just by looking at some example code that came with the SDK. #retrocomputing
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@plaidtron3000@jorts.horse 2026-07-01 17:17
@hannorein@mastodon.social OMG, at Enron back in 2000, this was of the PDA option available to engineering employees. The option most chose was the Palm III. I went with the Palm, but I did have a few opportunties to play with this wrist-mounted beast. The UX was just laughably bad. One of the engineers had both, but he only wore the OnHand as a nerd dominance display.
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@datordzeks@toot.lv 2026-07-03 05:21
@hannorein@mastodon.social This masterpiece reminds me a wristpad from Fallout games. And from S.T.A.L.K.E.R.