srimech.blogspot.com
srimech: December 2010
http://srimech.blogspot.com/2010_12_01_archive.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Friday, 31 December 2010. This can be fixed by placing guards onto the grid, but I really want to avoid modifying the grid. Modifying an infinite tape requires infinite effort. Links to this post. Wednesday, 22 December 2010. The audio on the video is poor, sorry about that. I wanted to be able to hear the motors and my voice is pretty soft at the best of times. Links to this post.
srimech.blogspot.com
srimech: Grue detection t-shirts
http://srimech.blogspot.com/2013/06/grue-detection-t-shirts.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Thursday, 13 June 2013. When adventuring it is very important to stay away from grues. I have developed a grue-detecting t-shirt which will warn your party about potential grue danger. When in a good light source or using your lamp, the t-shirt will look as it does in this picture. In low light conditions the t-shirt looks like this. Find a light source quickly.
srimech.blogspot.com
srimech: June 2013
http://srimech.blogspot.com/2013_06_01_archive.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Thursday, 13 June 2013. When adventuring it is very important to stay away from grues. I have developed a grue-detecting t-shirt which will warn your party about potential grue danger. When in a good light source or using your lamp, the t-shirt will look as it does in this picture. In low light conditions the t-shirt looks like this. Find a light source quickly. Links to this post.
srimech.blogspot.com
srimech: November 2012
http://srimech.blogspot.com/2012_11_01_archive.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Friday, 2 November 2012. Error correction of the NPL time signal. There's a project on the back burner at London Hackspace to make a better alarm clock. One of the first things we need for this is a way to figure out the current time, instead of bothering the user to set it. We could use analogue means to try and get an average value over the expected length of a pulse, or sample it seve...
srimech.blogspot.com
srimech: Investigating Raspberry Pi performance problems
http://srimech.blogspot.com/2012/07/investigating-raspberry-pi-performance.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Wednesday, 18 July 2012. Investigating Raspberry Pi performance problems. I bought a Raspberry Pi some time ago and have been trying to run some of my PyGame games on it. I'm going to describe one performance issue I've seen with it. This isn't a criticism of the board in general, which I still think is excellent for the price. Python has a built-in profiler which can be invoked with.
srimech.blogspot.com
srimech: March 2012
http://srimech.blogspot.com/2012_03_01_archive.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Monday, 12 March 2012. Automating layout of laser-cut models. On the left is a rendering of part of my revised Turing machine. The important feature of this, for this post, is that it's a 3D object made up of flat cuboids 3mm thick, which means its parts can be cut out of a sheet of 3mm material by a laser cutter. It's designed (or perhaps written) in OpenSCAD. Links to this post.
srimech.blogspot.com
srimech: October 2010
http://srimech.blogspot.com/2010_10_01_archive.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Sunday, 31 October 2010. Nearly three years ago I wrote a little blog post about the MUTR micro rover kit which I'd just received then. I put together a basic rolling chassis then but then got distracted and didn't do anything more with it - until this opportunity came up. Enter Robot Hackday, a day organised by MadLab. Thanks to everyone at MadLab and HacMan, that was a great day out.
srimech.blogspot.com
srimech: Simple, headphone-controlled phone robot
http://srimech.blogspot.com/2012/08/controlling-servos-from-headphone.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Sunday, 12 August 2012. Simple, headphone-controlled phone robot. TL;DR: The headphone socket on some Android phones is a good enough signal generator to control servo motors almost directly. I had an idea recently that servo motors could be driven directly from the headphone socket on an Android mobile phone. I was probably subconsciously remembering this old this old Hackaday link.
srimech.blogspot.com
srimech: Two more demos: Meteor Miner and Platformatic
http://srimech.blogspot.com/2012/08/two-more-demos-meteor-miner-and.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Sunday, 12 August 2012. Two more demos: Meteor Miner and Platformatic. Fuel is limited and ore makes you heavier. You can escape the meteor with just one tonne of ore, but the goal is to recover all of it. But as PyGame doesn't handle multi-touch devices yet, I can't emulate the buttons on a touchscreen, so it will only be playable with a keyboard. Simple, headphone-controlled phone robot.
srimech.blogspot.com
srimech: June 2012
http://srimech.blogspot.com/2012_06_01_archive.html
My blogspot site is no longer updated. Most of the posts here are archived at www.srimech.com. Along with new content. Friday, 8 June 2012. Exhibiting the Mk2 Turing machine. There are also a lot of bugs in the design. One of the great things about the laser-cut design is that I can record these bugs as though they were software defects, which they are in many ways. The design for the machine is on github, at https:/ github.com/jmacarthur/millihertz/tree/master/scad/newbuild. Links to this post.
