Fresh hacks every day
Here’s a pair of LayerOne Badge hacks that actually included the RC as intended by the badge designers.
First up, we have the autonomous RC car built by [Arko]. He calls it Stanley Jr. as an homage to the Stanford DARPA Grand Challenge vehicle. It uses an Arduino shield to add a servo with an ultrasonic rangefinder on it. The … Read the rest
[John] is keeping the neighborhood safe by keeping an eye out for speeders. Well, he’s really keeping a webcam out for speeders. His technique doesn’t use radar or lasers. He’s processing webcam frames in Python to calculate speed.
It comes down to some basic image manipulation. He firsts gathers the images necessary to make the calculations by using a … Read the rest
[Diego] wrote in to let us know about the haptic feedback arm project with which he’s hard at work. He calls it the Vimphin, which is uses the beginning letters from the words: Virtual Manipulator Physical Interface. Instead of a claw, the robot arm has a hand grip that lets you easily move it around. That is unless the virtual … Read the rest
We’re happy to see Arduino enthusiasts championing the use of smaller hardware when the need for a full-blown ATmega-based board just isn’t there. [Chris] has been doing just that, using ATtiny85 chips in his projects. But he’s tired of hooking jumper wires to flash the sketches. He finally got around to etching this ATtiny85 programming adapter.
If the project … Read the rest
When I announced that I would be traveling through some areas of the southeast this summer, [Slade] from Freeside Atlanta emailed me to set up a stop at their hackerspace. I am very happy he did too, because this place was really cool. [Steven Sutton] agreed to walk us through the facility and did a great job of being the … Read the rest
All grain brewing is a labor and equipment intensive endeavor, but it produces the highest quality beer compared to partial mash or extract brewing. [Jeff Karpinski] started out with the latter two methods, but as his enthusiasm for the hobby mounted he found himself brewing all-grain batches with just an electric kettle. He developed the system seen above as an … Read the rest
So let’s say that you’re a developer on the Xbee team. You need to test the extremes of what the RF radio modules can do when in a large network. But in addition to numerous nodes, you also need to test the effects of distance on the radios. Since it’s not reasonable to distribute hundreds of the devices (each with … Read the rest
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