Blog Profile / Hack a Day
| URL : | http://www.hackaday.com/ | |
|---|---|---|
| Filed Under: | Technology / Gadgets | |
| Posts on Regator: | 11764 | |
| Posts / Week: | 43.3 | |
| Archived Since: | April 6, 2008 | |
Blog Post Archive
Using an angle grinder as a bench grinder
[Saeid Momtahan] made a couple of attachments that let him use his angle grinder as a bench grinder. It may be better to refer to it as a bench motor, as he uses both a grinding wheel and a wire brush while showing off his project. The attachments come in two parts. Show More Summary
PBX blade for multiple extension home telephony
It looks like a consumer good, but this PBX server blade was built by [Benoit Frigon] over the last couple of years. It brings multiple telephone extensions to his home service.
The device runs Asterisk open source PBX software. Because it will be on all the time he wanted something that doesn’t draw a lot of power. Show More Summary
Long distance PS3 controller
Sony’s DualShock 3 controller can be seen in a number of projects here on Hackaday. There’s a reason for this: it’s easy to sniff the Bluetooth signals coming out of this controller and make any electronics project do your remote control bidding. Show More Summary
Adding wireless charging to any phone
The wireless charging options available on flagship phones is a great feature, but most of us aren’t rocking the latest and greatest cellphone. [Daniel] came up with a great mod that adds wireless charging to just about every cellphone...Show More Summary
Crystal oven temperature sensor reads 0.01F resolution
[Scott Harden] continues his work on a high precision crystal oven. Being able to set a precise temperature depends on the ability to measure temperature with precision as well. That’s where this circuit comes in. It’s based around an LM335 linear temperature sensor. Show More Summary
R2D2 cake plays Leia’s distress message
As all 6-year-olds should, [Marc]‘s son is a huge fan of Star Wars. For his birthday party, he wanted a Star Wars themed cake, and making one in the shape of R2D2 seemed to be right up [Marc]‘s alley. Of course any clone of everyone’s...Show More Summary
Brushless gimbal 3D printed and bolted to quadcopter
A handful of 3D printed parts, some brushless motors, and a bit of control hardware add a flair of cinematography to this quadcopter.
[Sean] sent in a tip about his work after seeing yesterday’s feature of a brushless gimbal being used to improve image stability with a shoulder mounted camera. Show More Summary
Best robot demos from ICRA 2013
The 2013 IEEE International Conference of Robotics and Automation was held early in May. Here’s a video montage of several robots shown off at the event. Looks like it would have been a blast to attend, but at least you can draw some inspiration from such a wide range of examples. We grabbed a half-dozen screenshots that caught our eye. Show More Summary
RedBull Creation 2013: final thoughts and recap
I have arrived home safely, and I’ll spare you the long and boring story of how horribly my airline experiences were, both directions. The contest was delightful. Not only did I get to watch the teams compete, I got to meet people that I’ve wanted to meet for a long time. The judges and shop monitors were a delight to talk with and work with. Show More Summary
Pager message sniffing with RPi and SDR
The 1990?s called, they want you to use modern technology to listen in on your friends’ pager messages. Seriously, how many people are still using pagers these days? We guess you can find out by building your own Software-Define Radio...Show More Summary
Brushless motor camera gimbal
We’ve seen steadycam mounts that allow videographers to capture the action without a lot of wobblevision, but [Tom]‘s DIY stabalized camera rig does far more with the help of a few brushless motors.
The basis of [Tom]‘s camera gimbal is a Foxtech brushless gimbal originally designed for quadcopters and other FPV aerial vehicles. Show More Summary
Causing trouble at RedBull Creation 2013
Skullduggery systems (a first time participant) came up with an extremely ambitious idea for their instrument. It was to be a jug, that would have a changing pitch based on water being pumped in and out. Ultimately, they ran into a few issues that meant that the effect wasn’t quite what they were looking for. Show More Summary
Modifying a CRT television for use as an arcade monitor
Finding himself in need of an arcade monitor [Eric Wright] turned to this ancient CRT television. The problem is that arcade monitors and televisions didn’t operate in the same way, differing in both resolution and refresh rate. [Eric] modified the television to work like an arcade monitor, but only with limited success. Show More Summary
Raspberry Pi replaces a Volvo nav system
[Reinis] has a Volvo S80. One of the dashboard features it includes is a 6.5? LCD screen which periscopes up to use as a navigation system. The problem is that Volvo stopped making maps for it around five years ago and there are no maps at all for Latvia where he lives. Show More Summary
Adding WiFi to a kid’s tablet
[Mick] has been playing around with the VTech Innotab – a $70 tablet computer aimed at kids – for a while now. He’s successfully turned this tablet soon to be found at yard sales the world over into a Linux tablet and can play everything from those magical LucasArts SCUMM adventure games to Angry Birds. Show More Summary
Letting Bluetooth take the wires out of your headphones
This picture shows the gist of [Alan's] hack to transition his wired headphone to internalize a Bluetooth audio receiver (translated).
He starts with a pair of wired “ear muff” style headphones and an aftermarket Bluetooth audio adapter that he’s been using with them. Show More Summary
Giving the VirtualBoy a VGA out
Nintendo’s VirtualBoy – the odd console-inside-a-pair-of-goggles and arguable ancestor of Nintendo’s 3DS – was a marvelous piece of technology for its time. In a small tabletop unit, you were able to play true 3D video games at an impressive 384 x 224 pixel resolution. Show More Summary
Hackaday Links: Sunday, June 16th, 2013
Summertime means mowing the grass and now [Everst X] can do so in 7.1 channel delight thanks to his wireless headphone antenna hack which extends the range. [Kevin] is trying to build a better reverse geocache box. It’s not the GPS that he’s improving, it’s the latching mechanism. Show More Summary
Water tank level meter prevents overflow
Most of the homes in the area where [Raikut] lives have tanks on the roof to hold water. Each is filled from a well using a pump, with gravity serving as a way to pressurize the home’s water supply. The system isn’t automatic and requires the home owner to manually switch the pump on and off. Show More Summary
Autonomous RC car navigates by waypoints
Check out this autonomous RC car which [Jason] built for the chipKIT design challenge. It’s been able to successfully navigate a planned route taking just a few waypoints as inputs. Obviously this uses a chipKIT as the controller, the max32 to be specific. Show More Summary