Ceefax

  • Interactive Viewer

    Interactive Viewer

    Fully interactive Ceefax experience

  • Pages From Ceefax

    TV showing 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

  • 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

  • Quartz Video Router

    Three beige coloured metal 19 inch boxes. They each are marked 'Quartz' and have a power LED. One is marked with a red 'X'.

    Modifying a Quartz Video router for web control

Follow Nathan elsewhere

  • YouTube

    Youtube

    Live Pages from Ceefax, some demo videos

  • Bluesky

    Bluesky

    General day-to-day electronics blether

  • LinkedIn

    LinkedIn

    Job stuff, very few actual posts

  • Reddit

    Reddit

    Cries for help and shameless self-promotion

  • Flickr

    Flickr

    Random photos of places and things that interest me