Contact information

• By email: jim_web@mode7.co.uk
• On Twitter: @srimech
• IRC: srimech on freenode

mode7.co.uk is my email domain. Mail to any address at srimech.com is rarely read.

Blog articles

• Millihertz 5 Progress April 2020
• Arm-mounted CRT Raspberry Pi unit
• Mechanical replica of the Manchester SSEM (Baby)
• Mechanical array logic
• Mechanical decoder logic
• Langton's Ant with Hexbugs
• Sliding plate logic gates
• AVR Minimus servo controller
• Zeta toggle-switch computer
• Rule 110 automaton, version 2
• Failed experiment: Water logic gates
• Grue detection t-shirts
• Error correction of the NPL time signal
• Simple, headphone-controlled phone robot
• More 2D Game demos
• Investigating Raspberry Pi performance problems
• 2D Platform games with PyGame

Projects in progresss:

Rule 110 automaton, version 2

Mechanical Turing machine

Finished projects:

Robot Wars 2003

12 volt mains

Electric pressure gauges

Chorded keyboard for mobile phones

Simple, headphone-controlled phone robot