hi there!

Rather than keeping my stuff personal I decided it would be more fun to throw it all over the internet. This is the wikileaks of my brain. All content is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

I have a few accounts at various websites you might also be interested in: github where most of my code worth using goes, twitter which I rarely use, tumblr which you can see below and facebook; I'll let you find that one on your own.

If you would like to inform me of some serious facts or evidence, you can reach me at jeremy dot 006 at gmail dot com. You can also tell me if you like ampersands as much as I do.

Addressing The Greenhouse Problem (ETI Feb 1989) - I recently came into some old Australian Electronics Today International magazines and this was an article I found particularly interesting.

Regular expressions are the business! {in progress} - Processing things with a computer is hard. Unless you have regular expressions.

Getting Started with the STM32F4 and GCC - Using the STM32F4 Discovery board can be difficult if you don't want to pay for a commercial toolchain. Never fear, all of that hardware floating-point goodness is but a few clicks away.

Building a DIY CNC mill (sort of) {in progress} - My propensity for building things has reached its inevitable conclusion: I have decided to start building a CNC mill, one way or another.

the (unofficial) guide to engineering at UQ - Stuck on your project? Here is what I wish someone told me when I was doing engineering.

AVRs for friendly people {in progress} - Most guides are written for unfriendly people; I intend to change that.


and now for some quick updates:

1. Bob Pease is not just an electrical engineer

   He is definitely also a magician

2. 
3. Linux Device Drivers, 3rd Edition (it's free!)
4. “Watch this. We are set. I’m gonna invert the Radon transform; it is un-f*&$ing believable.” @ 26:07

5. 

   Gfhabentidnwbdhsyqvsnek

6. USB host on android

   Attaching a broadcast receiver at runtime for the USB_DEVICE_ATTACHED event doesn’t work in 4.1.2. See here.

   Intent filter method works but has a deadlock bug in the usb subsystem. Lovely.

7. ADS1118 problem solving

   1. If you continuously update the configuration register and read it at the same time, the device will lock up.

   2. Make sure you are using SPI with negative edge stable polarity

   3. It takes about 3ms to switch the mux between channels; it will only switch after all of the pending conversions are complete

   What is it? one of these.

8. Prior HK101 motorised microscope stage pinout

   DB25 connector:

   1 - first coil in x stepper, A+
   2 - second coil in x stepper, B+
   3 - limit switch 1 for x axis (NC)
   4 - limit switch 2 for x axis (NC)
   5 - first coil in y stepper, A+
   6 - second coil in y stepper, B+
   7 - limit switch common for y axis
   14 - first coil in x stepper, A-
   15 - second coil in x stepper, B-
   16 - limit switch common for x axis
   17 - first coil in y stepper, A-
   18 - second coil in y stepper, B-
   19 - limit switch 1 for y axis (NC)
   20 - limit switch 2 for y axis (NC)

9. life complete

10. “Three weeks in the lab will save you a day in the library every time”
    R. Stanley Williams