Fresh hacks every day
When [Andrei] first got his Raspberry Pi he wanted to make it a standalone computer right away. This means the normal input devices like a mouse and keyboard, but also some type of display. To avoid waiting for shipping he ended up using a cheap vehicle backup camera screen from the local big box store. It worked great, and recently he decided he would try to convert it to run off of 5V power to … [Read more...]
[Chris] just posted his latest tutorial which shows you how to read position data from a resistive touchscreen. These devices are fairly simple, and since they're used in a lot of consumer electronics you can pick one up for a few bucks. This looks like it is overstock for an old Palm device. The interface is simple, there's just four conductors on the tab at the top of the overlay. But … [Read more...]
If you're looking to build a really big Android tablet the trick is not to start from scratch. [Peter] pulled off a 23" Android Tablet hack using a collection of easily acquired parts, leaving the hard work up to hardware that was designed to do it. He didn't really build a tablet, as much as he built a big touch-screen add-on for one. He already had a couple of inexpensive tablets on hand to … [Read more...]
[Jane] wrote in to let us know about the touch-based synthesizer she and her classmates just built. They call it the ToneMatrix Touch, as it was inspired by a flash application called ToneMatrix. We're familiar with that application as it's been the inspiration for other physical builds as well. A resistive touch screen in the surface glass of the device provides the ability to interact by … [Read more...]
This collection of touch sensor information should be of interest to anyone who liked the simple touch sensor post from Thursday. That was a resistive touch sensor and is covered in detail along with AC hum sensors that trigger based on induced current from power lines around you, and capacitive touch switches like we've seen in past hacks. Each different concept is discussed and clearly … [Read more...]
We never thought about it before, but having the controls on the bottom of a clock is a bit of an inconvenience. [Alex Whittemore] mutes the LEDs on his clock each night and after a while, decided he should make the mute button into a touch strip on the case. You'll remember that the Bulbdial clock uses colored LEDs to create the effect of a sun-dial, casting colored shadows for each hand of the … [Read more...]
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