Fiesta de San Pedro
Hike from Bosque Dorado to Paccha and Huancayo
Hike from Matahuasi to Apata
Peru 2015 – Matahuasi
Peru 2012 – Hiking
Some of the better photographs from hiking in Peru in 2012.
Vibe Vault for Old Versions of Android
The current version of Vibe Vault supports Android 4.0 and later. But do not dismay if you are one of the ~16.7% of Android users1 running Android 2.x or earlier: I received an e-mail from a user with a phone running Android 2.3.5, and was able to dig up an old version of Vibe Vault… Read More »
When Google Decides To Delete Your App — Android Developers Beware
Writing this post bums me out. About 3 weeks ago, I woke up to an e-mail from a Vibe Vault user letting me know that he was unable to find the app on the Google Play store. I checked the store on my way to work, and couldn’t find the app either. When I got… Read More »
Vibe Vault 4.1 Source Code
It took a while to get up, but the source code for Vibe Vault 4.1 is available here. Vibe Vault is free software available under the terms of version 3 of the GPL (license here). Feel free to ask if you have questions on the code.
Building A Constant Current Driver For High-Power LEDs
Highly efficient, very powerful LEDs like the Cree XML2 are relatively inexpensive, and have lots of interesting uses. According to Cree, they can “deliver[ ] an unprecedented 1198 lumens at 116 lumens-per-watt efficacy at 3 A,”1 with a maximum forward voltage somewhere around 3.15V. To put this efficiency into perspective: incandescent lightbulbs have an efficiency… Read More »
GNOME Annoyance: Alt + Tilde / Backtick (~ or `) Behavior
One of the first things I do when I set up a new Linux system with GNOME is configuring a hotkey combination for launching the terminal. For a long time, my go-to key combination has been “alt + `” (pressing the alt and tilde** keys at the same time). This is less straight-forward than you… Read More »