Archive for the ‘Makes’ Category

The Internet

The Internet

The Internet, as seen on 'The IT Crowd' S03E04.

As featured in ‘The IT Crowd’, the internet is surprisingly small, wireless, and, due to not weighing anything, really light. Unsurprising, it’s also really easy to get your hands on your very own Internet.


  • ABS Box H2852 = £4.89
  • 5mm Red Flashing LED = £0.38
  • 5mm LED chrome bezel = £0.92
  • CR2032 battery = £0.22
  • CR2032 battery holder = £0.90
  • 1.2K Resistor

Total = £7.31

Instructions (for Dummies)

  1. Drill 8.1mm hole in top of the ABS Box.
  2. Remove Orange 5mm LED from bezel with the aid of heat gun.
  3. Hot glue Red 5mm Flashing LED into bezel.
  4. Attach bezel to ABS box.
  5. Solder wires to contacts of CR2032 battery holder, may require scuffing the contacts of the holder and wiping with flux.
  6. Hot glue CR2032 battery holder into lid of ABS Box.
  7. Solder resistor to Red 5mm Flashing LED.
  8. Solder wires of CR2032 battery holder to Red 5mm Flashing LED and resistor, ensuring the middle pin of the CR2032 battery holder is soldered to the short leg of the Red 5mm Flashing LED.


The Internet InnardsThe Internet

Alternative Builds
While making this I found someone else had done something very similar but a tiny bit more complicated and expensive Instructables version.

Light Ring

Decided to attempt to make a basic light ring that could mount onto a Nikon D80 equipped with a lens wearing a HB-32 hood.


36 white LEDs mounted on a ring of acrylic that would wedge onto the HB-32 hood (which has a mid-point diameter of ~80mm). The power source (4xAA batteries) would mount onto the Nikon D80’s hot shoe mount along with brightness and off/on controls.


  • A3 5mm acrylic = £5.40
  • 5mm white LED (30,000mcd) (£0.64) x 36 = £23.04
  • SPST rocker switch (£0.41) x 1 = £0.41
  • AA battery holder(£0.14) x 2 = £0.28
  • 10K potentiometer (£0.57) x 1 = £0.57

Total = £29.70

The acrylic was cut using a laser cutter with design that was created in Inkscape:

Light Ring Design


Sun 13 Mar 2011 21:47:44 UTCSun 13 Mar 2011 21:55:29 UTCMon 14 Mar 2011 21:26:56 UTCMon 14 Mar 2011 21:18:06 UTC

Defcon AI – Whiteboard Library

A whiteboard library for Introversion’s Defcon AI API. It provides functions for drawing various shapes and objects making it useful for debugging or sharing tactical information.

C++ – draw.h, draw.cpp
Lua – draw.lua

Released under the MIT license


Sample image:
sample image

C++ example usage:

Lua example usage:

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Shinkutanku; Japanese for “Think Tank”. A very infrequently updated blog by your average code-monkey cum photographer.

Twitter: @CiaranEaton