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Tag Archives: retro-computers

“My Life in Laptops” – am I Doug Rocket?

My homage to Doug Rocket’s art installation at Place “MY LAPTOPS 1991-2005”. It’s well Mexico.

Posted byzedstarr07/07/202129/07/2022Posted intechTags:maker, psion, retro-computers, retro-computing, tech7 Comments on “My Life in Laptops” – am I Doug Rocket?

Magellan GPS 315 vs. The Future – part 2

Some older GPS receivers can’t compute dates properly thanks to the original GPS system employing an epoch with 10-bit week number… a new epoch starts every 1024 weeks!

Posted byzedstarr15/06/202102/03/2022Posted inGNSS, PNT, tech, workTags:electronics, GNSS, GPS, maker, PNT, retro-computers, retro-computing, weeknumberrollover, WNRO2 Comments on Magellan GPS 315 vs. The Future – part 2

Retro & Online – Connecting Psion’s MC400 & Series 3a machines to “the internet”

Connecting 30-year old computers to the internet in 2021… for the LOLs. Revisiting RS232, null-modems and the like, all at 19200 baud.

Posted byzedstarr11/06/202118/10/2022Posted inpsion, raspberry pi, techTags:mc400, nodemcu, psion, raspberry pi, retro, retro-computers, retro-computing, tech3 Comments on Retro & Online – Connecting Psion’s MC400 & Series 3a machines to “the internet”

Psion Series 3a vs. Technics RS-B665

Controlling my 1990s Technics tape deck from a 1990s PDA – Psion Series 3a remote control via NodeMCU

Posted byzedstarr06/05/202108/07/2022Posted inpsion, techTags:hardware hacking, maker, nodemcu, opl, psion, raspberry pi, remote control, retro-computers, retro-computing, series3a4 Comments on Psion Series 3a vs. Technics RS-B665

Retrocomputing – getting re-acquainted with the Psion Series 3a and MC400

Retro computing. Getting 1990s era computers connected to modern stuff….

Posted byzedstarr05/05/202125/07/2022Posted inpsion, techTags:epoc, epoc16, mc400, nodemcu, opl, psion, raspberry pi, retro-computers, retro-computing, series3a, sibo5 Comments on Retrocomputing – getting re-acquainted with the Psion Series 3a and MC400

MCMF – MF4 dialling for the Psion MC400

Adding MF4 (DTMF) dialling capabilities to the legendary Psion MC400 laptop from 1990

Posted byzedstarr19/04/202124/02/2023Posted inpsion, tech, telecomTags:dtmf, epoc, mc400, mf4, psion, retro, retro-computers, retro-computing, sibo, telecom4 Comments on MCMF – MF4 dialling for the Psion MC400

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