Photo from Petmar0 on Flickr Pete responded in the comments to the the call for designs in the Rural Celly Charger article on Saturday. How about connecting a joule-thief circuit (DC-DC upconverter) to a cap on one side and a small solar cell (like the ones in calculators) on the other? You pull off of […]
Jay from thecapacity created this airsoft robot that you can control with a Wiimote. He’s using Construx for the mounting hardware, a webcam for remote sighting, and an IOBridge to control the servos. I’m pretty sure I’d never want this thing in my office, but something similar with a motor operated squirt gun might be […]
The authors of the brand new iPhone Hacks have posted one of the coolest hacks from the book: using a Cypress PSoC to connect an external serial keyboard to the iPhone, without jailbreaking. The great thing about this hack is that it can be adapted for other serial devices, including TTL serial, and the authors […]
Gmail added a filter import/export feature recently that allows you to save and load filter data from XML. The cool thing about this is that it allows you to create and manage a whole heap of filters in text format and then import them all at once. Matt Thommes explains the procedure: Here is the […]
One of the new features to make it into Flash 10 is the ability to generate software-based audio. There’s essentially an event callback that will trigger during audio playback that lets you fill an input buffer full of wavelength samples. I’m looking forward to seeing what types of generative music folks will be able to […]
There are a lot of services and datasets that provide IP address geolocation, allowing you to detect a web user’s city of origin based on their incoming IP. Unfortunately, most of these services cost quite a bit of money, impose limits on how many lookups you can do over a period of time, or aren’t […]
For a long time, I’ve been using Fireworks for the sole task of creating 8-bit PNG images that will display alpha transparency correctly in all modern browsers, while degrading gracefully to a GIF-like binary transparency on older browsers. The process works well, but it’s sort of crazy to keep a second image editing application around […]
