I read an online post about creating an “MC400 emulator”. That got me thinking about the ROM, and the 28F010 flash chips that realise it…
Tag Archives: electronics
RS232 flow-control & handshaking – Psion MC400 retro communications
Connecting my retro-laptop to the internet via 2 x RS232 serial connections to a Raspberry Pi… and defeated (for now) by lack of hardware flow-control signals 😦
5G on the moon?
NASA has ambitions to build a comms infrastructure on the moon using 4G LTE technology…
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!
Magellan GPS 315 vs. The Future – part 1
Comparing a handheld 1990s dedicated GPS receiver with the GNSS chip in a 2019 smartphone
“Electronics & Music Maker” – archiving a demo cassette from 1982
“Electronics & Music Maker” (E&MM) was a magazine aimed at home/hobby music makers that started in the early 1980s and was produced as an offshoot of the mighty Maplin electronic component distribution empire. The idea was that it would promote more sales and engagement with Maplin’s component business through projects & DIY features based aroundContinue reading ““Electronics & Music Maker” – archiving a demo cassette from 1982″
Reviving a relic – a time machine from the past – the Enhanced Waveform Generator
Reviving some 1990s era tech …
Buying 2nd hand “vintage” Hi-Fi on eBay – buyer beware
Bought an old Hi-Fi from eBay – seller listed it as “used” (meaning it works OK but might have some cosmetic damage). Turns out it was faulty. D’oh.
Reading a 27C512 EPROM with a Raspberry Pi – ROM-dumping!
Using Raspberry Pi GPIO to read the contents of an old 5V CMOS ROM
Minidisc copybit stripper – the Elektor SCMS killer
Defeating SCMS copy-control restrictions in digital minidisc-to-minidisc copies using the infamous Elektor copybit killer from 1998
Room 7609 