Abstract I live in an old building with brand-new looking drywall. Studs were not all on 16″ centers. My low-profile mount could only span 16″centers. Went through the trouble to make a spanning board. turns out the drywall was not… Continue Reading
Our parents’ first mobile phone, probably. Background These phones are cheap on eBay and elsewhere, and so are simple GSM/Bluetooth radio modules. What it does Makes and receives calls either by itself or as a Bluetooth extension to your existing… Continue Reading
A computer-controlled ferrofluid display. Background Ferrofluid looks cool, so why not play with it in 3D space? What it does The ferrofluid blob is suspended in 3D space however you want. You can stretch it, break it, move it, spin… Continue Reading
A centrally-controlled grid of wind-sensitive tea candles. Background I wanted to make a light-art piece for my barren walls at home to impress unsuspecting female co-workers who happened to stop by. What it does It generally looks like a grid… Continue Reading
A heating system to keep me toasty in my slumber. Background I live in San Francisco. Naturally, the 4000W in-wall heater in my bedroom is placed such that I can’t use it. Also I have what used to be a fireplace… Continue Reading
Just a fun fact I discovered recently and wish I knew years ago: Texas Instruments (along with many other companies) publishes component symbols/devices/footprints for their parts that you can import into EAGLE easily. Let’s use a nice power convertor as… Continue Reading
Background My cousin inherited a vintage Danish telephone (meets USA signal spec apparently) from our grandmother but lamented that she had no land-line to actually use it. Still, it would make a wicked cool addition to her nightstand. So I was… Continue Reading
– I never got this working fully but maybe there are some bits here you can use – The story I got a BBB and started with Derek Malloy’s awesome tutorial so I could finally put my awesome blinkery to work… Continue Reading
This is a full 4,096 color 8×8 LED matrix based wristwatch with software-driven 4-bit PWM for each channel at 60 full PWM sweeps per second. Background I wanted to see how much performance I could squeeze out of the then-newly… Continue Reading
An artsy night-light that glows with the phases of a Puerto Rican sunset. Background For a few summer months I managed to trick a beautiful blonde dancer into hanging out with me for a while. In my bewilderment I made a night-light… Continue Reading