Ceefax

Interactive Viewer

Fully interactive Ceefax experience

Pages From Ceefax

View live Pages from Ceefax as shown on BBC2 overnight

Stuff I Made

Subrack Power Supply

Aluminium cases with illuminated LED indicators for 15, minus 15 and 5 volts.

Triple rail redundant power supplies

Signage Screensaver

Aluminium case bearing the legend 'Exitech Research and Development'

HDMI switch with built-in advertising

Subrack Teletext Inserters

Two aluminium-fronted subrack modules. They each have four LEDs labelled 'power', 'act', 'sync' and 'text', a USB port, and an ethernet port.

Two subrack-mounted teletext inserter modules

Teletext Display Units

Two black plastic 19 inch units. They are marked 'NMS Technologies', with LED indicators and a thumbwheel selector switch on the front.

Teletext generator and monitor, plus a standalone decoder

DIY Gateway Router

19 inch equipment rack containing an aluminium router. It has six ethernet ports, and is marked with a sticker that says 'NMS Gateway' and some IP addresses.

Debian based router with built in UPS

Projects

Hardwiring a Dashcam

Hardwiring a Viofo A139 into an Astra J

Rackmount Modulator

Rackmounting a Triax quad channel modulator

Audio Router Mods

Taking control of a broadcast audio matrix

Teletext Monitor Input Mod

A blue fronted 19 inch rack mounted unit. Marked MRG Sytems, it has five lights on the front and five BNC sockets, two DSUB sockets and a number of hex switches on the back.

Adding a CVBS input to an MRG Systems DTP900 Subtitle Monitor

Connecting the Garage

A bunch of cables lie on the ground, ready to be pulled through a duct.

Adventures with underground cables and fibre optics

Follow Nathan elsewhere

YouTube

Live Pages from Ceefax, some demo videos

Bluesky

General day-to-day electronics blether

Job stuff, very few actual posts

Cries for help and shameless self-promotion

Flickr

Random photos of places and things that interest me