Re-purposing an old Psion MC400 laptop mechanical keyboard from 1989 to work with USB via a Teensy LC (Arduino compatible) microcontroller
Update on the Raspberry Pi/Grafana/Influxdb/DS18B20 temperature monitoring network I put together 2 years ago…
One of the many promises of 5G is accurate time-transfer. I spent a couple of days travelling around the North West of England testing exactly how accurate available time transfer was from commercially deployed 5G installations.
So the Raspberry Pi has been around for 10 years… everyone’s favourite credit-card-sized computer does just about everything
A look at what state-of-the-art mobile text processing for journalists was like in the mid 1990s – the Psion MC400 EROS system.
A long time ago I built a VOIP PBX. I’ve been wanting to build & use another for a long time and finally got round to it with a £10 Cisco phone and £14 USB dongle…
In honour of the regular El Reg feature which looks like it’s coming to an end… here’s my tiny collection of borked signage:
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…
Comparing comments (or the lack of them!) in software from 1969 & 1984. NASA’s Apollo Guidance Computer versus Elite for the BBC Model B 🙂
As a teenager in the 1980s I was obsessed with Maxell tapes, and the brand Maxell in general. Here’s my homage to Maxell Holdings, Ltd.