Make the world’s cheapest MIDI tester

Jesse from Bent-Tronics has posted a tutorial on how to make a DIY MIDI tester: A quick and dirty (and cheap) MIDI tester.  Sometimes you just need to know if a MIDI controller is outputting anything. Even many high-end MIDI modules/boxes will have a “MIDI Activity” light, just to let you know something is being transmitted/received. That’s […]

Automatic feeder mod makes cat work for food

Here’s a cool automatic feeder for your cat that dispense food in exchange for a wiffle ball by Benjamin Millam.  He wrote a post on his blog detailing its assembly: I used an Adafruit RFID reader to detect RFID tags embedded in the wiffle balls: the balls are cut slightly, enough to slip in an […]

2015 Hackaday Prize: Build something that matters, We send you to space

HackADay just launched the 2015 Hackaday Prize, a competition to get Hackers building real products to make a better world: Want to go to Space or grab $196,883? How does $100k and a 6-month residency sound? These and hundreds of other prizes await those who build some that matters. Full details and how to enter: hackaday.io/prize […]

Schlage smart door lock hack/teardown

Teardown and hacking of Schlage smart door lock by Felix Rusu of LowPowerLab: As the title suggests it’s a smart door lock with a for coded entry and is based on “Iris” which in turn uses ZWave RF wireless technology (made by Zensys), a closed source patented protocol+hardware stack that is OEM-able to automation system makers who want […]

The Hackaday Prize: Two days left to get your rear launched into space!

HackADay’s make open hardware / get your butt launched into space contest has two days left. Get that project posted now! Ian will be one of the Judges, along with Bunnie, Lady Ada, and a bunch of great open hardware hackers: Sure, the procrastinators out there will probably hold out another day (or two), but we […]

Hacking a 3D printer into a tattoo machine

Here’s a cool instructable for a 3D printer tattoo machine: In october 2013, a famous design school in Paris, ENSCI les Ateliers, hosted a workshop organised by the French Ministry of culture. The idea was to use images, videos and sound fallen in the national pubic domain and use them in a sort of “Mashup”. The event […]

Hacked GTP USB LITE pic programmer

cmardone of Valpoder wrote an article on hacking the GTP USB LITE usb pic programmer, we wrote about it previously: GTP USB LITE is a pic programmer based on the pic18F2550 disgned by SISPIC from spain A lot of people built this circuit , and it became obsolete.. The firmware has several limitations(ex: driver only for xp) […]

DIY hamster wheel using an old hard disk drive

Can’t sleep because of a noisy hamster wheel?  Felipe shows you how to easily make a very silent homemade hamster wheel using an old hard disk drive: Felipe La Rotta from Cocodrilabs had a noisy hamster wheel. Hamster wheels like most other mass produced pet items are made as cheap as possible, that means that you […]

Hacking footprints for easier 2 layer routing

Routing complex surface mount circuits on a 1 or 2 layer PCB is tricky. TSSOP and similar small parts often don’t have enough clearance to route a trace between two leads. Mats tackled this by by removing a few unused leads. This gave him the freedom to route traces through the now available space where […]

How to Add Custom Ringtones to a Wireless Doorbell

Want your doorbell to play prerecorded messages or tunes? This hack at instructables replaces the original speaker in a wireless doorbell with a 9 volt recording module. Most doorbells just make a simple generic tone. But I thought that it would be fun to modify a door bell so that it has a customizable ringtone. That way […]

Expedia customer service sucks, here’s how we hacked it

Usually we book with Orbitz, but for a few flights on the upcoming India trip we used Expedia. Some had to be canceled and rescheduled, luckily only a $20 change fee so no biggie right? Nope, Expedia was a fresh hell. 3 calls. On hold 15-45 minutes. They hung up twice. We’ve got the Skype […]