I use Anki spaced repetition software every day. It features support for timeboxing, a time management technique perhaps best know by the Pomodoro Technique. I find this useful in Anki, and it could be useful for other things too. There are many software timers for this, but a dedicated hardware ...read more
I've been storing SMD components in cut tape held together with small rubber bands. It's a hassle getting them out and it's not as space efficient as it could be. Instead, I bought some cheap (less than GBP 0.01 each) 0.2ml polypropylene centrifuge tubes, and ...read more
Various photographs, taken on chalk downland in Southern England.
Here's a female Black oil beetle Meloe proscarabaeus. It's big by the standards of English beetles, about 30mm long.
You can distinguish it from the closely related Violet oil beetle by the shape of the thorax. It's much ...read more
After reading a very detailed article by Piotr Wozniak about sleep, I decided to start tracking as much information about my sleep as possible. The obvious place to start is recording attempted sleep times and awakening times. This needs to be as simple as possible so it can be accomplished ...read more
I'm building something to run from 3 unregulated LR44 coin cells. The expected voltage range per cell will be 0.9V to 1.55V, for a total of 2.7 to 4.7V. It will feature an IR LED, with a low forward voltage of about 1.25V. If ...read more
I want to use WiFi with a BeagleBone. Unlike the Raspberry Pi, the BeagleBone has no current limiting on its USB host port, but WiFi is fairly power hungry, and power can still be an issue. I did some tests with a NetGear WG111v3. This USB wireless adaptor uses the ...read more
This is how I automatically generate small images linking to larger images.
I have my Pelican directory tree set up like this:
├── content │ ├── category1/ │ ├── category2/ │ └── images/ ├── image_src/ │ └── slug-name/ └── resize.sh
I open the files from my digital camera in GIMP, crop them, then save as .png to image_src/slug-name, with ...read more
I bought a Staples Easy Button on clearance for a very low price. It has a good solid feel but all it does is play an advertising slogan through its built in speaker. I decided to modify it for more productive uses.
The button is held together by four screws ...read more
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