redshift_zero

27 Flips | 1 Magazine | @redshift_zero | Keep up with redshift_zero on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “redshift_zero”

RF wireless kernel module for Raspberry Pi, BeagleBone and others

If you’ve done any wireless work with hobby electronics you probably recognize this part. The green PCB is an RFM12B wireless board. They come in a …

My Summer Project: Install a Budget Makeshift Home Surveillance System

Ever wanted to be just as cool as the government? Ever wanted to spy on your<p>own house or watch the newspaper guy throw the paper onto your lawn? Or …

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).<p>He starts with …

How I Taught Myself to Code in Eight Weeks

To a lot of non-developers, learning to code seems like an impossibly daunting task. However, thanks to a number of great resources that have …

Raspberry Pi helps with 2.4GHz home automation

Wanting to extend the capabilities of the radio frequency devices in his home [Kalle Löfgren] turned a Raspberry Pi into an RF control hub. We’ve …

Anatomy of a hack: How crackers ransack passwords like “qeadzcwrsfxv1331”

For Ars, three crackers have at 16,000+ hashed passcodes—with 90 percent success.<p>In March, readers followed along as Nate Anderson, Ars deputy editor …

Laser cutter helps make dual sided PCBs

[Rich Olson] wrote in to share his technique for making dual-sided printed circuit boards using a laser cutter. Unfortunately this still depends on …

This 7-Minute, Research-Based Workout Exercises Your Whole Body

Don't have an hour or even twenty minutes to exercise each day? You might not need it. This routine of 12 exercises is a complete workout based on …

Exercise

Use These Secret NSA Google Search Tips to Become Your Own Spy Agency

There's so much data available on the internet that even government cyberspies need a little help now and then to sift through it all. So to assist …

DVD laser diode used to build a laser engraver

[Johannes] has been reading Hackaday for years but this is the first project he’s tipped us off about. It’s a laser engraver built from a DVD burner …

Scratch-built 3D printer shows rock-solid performance

These days it’s super-easy (not super-cheap) to go out and buy a 3D printer. But if you’ve got the mad skills like [Mario Lukas] maybe you can build …

ODB-II hacking using an Android tablet

What a strange message to read on the digital dashboard display of your car. This is proof that [Kristoffer Smith] was able to control the ODB-II bus …

Turn Your Mobile Into a Scientific Tricorder with These Real-Life Apps

Apps

Replace your project power supplies with recycled Li-Ion cells and a switching regulator

[Dr. Iguana’s] experience moving from projects powered by disposable Alkaline cells and linear regulators to recycled Lithium Ion cells using the …

Turn a Raspberry Pi Into a Squeezebox for Streaming Music Anywhere

Logitech discontinued its line of Squeezebox smart radios last year, but if you want to build your own, DIYer Emmaanuel shows off how to turn a …

The Dryer Messenger Sends You a Text Message When Your Clothes Are Dry

If your dryer is tucked away in a corner of your house where you don't hear the notification when it's done, it's pretty easy to forget about your …

The Complete Guide to Setting and Negotiating Freelance Rates

It's the most common question I receive from aspiring freelancers of all types: How much should I charge? The question comes packaged in various …

Resin-Based 3-D Printer Adds $290K With Second Kickstarter Campaign

Inventor Michael Joyce has developed a 3-D printer that uses an off-the-shelf data projector to create amazingly complex and detailed models instead …

H-bot style 3D printer moves bed for Z-axis

Check out this 3D printer (translated) which [Arkadiusz Śpiewak] has been working on. When sending in the tip about his project he made the important …

Home security hardware makes you the monitoring service

[Nick] and [Simon] both have home security systems with a monitoring service who will call whenever an alarm is tripped. For [Simon] this ends up …

Embedded web server is all about clever formatting

Take a look around here and you’ll find all kinds of embedded web servers. This one doesn’t look all that interesting, especially because it’s just a …

Lessons I've Learned in a Year Working on My Own

Early last year, I started renting a desk at Studiomates while working remotely for Adobe. With the majority of mates either running their own …

Building a vehicle parking camera

We’re never really sure what to call these things. When we say “back up camera” it sounds distinctly like a redundancy system for when the primary …

Oil feed retrofit for a CNC mill starting to come together

Here is the first real fruit of [Joel’s] labor on his oiling system for a CNC mill. Regular readers will remember hearing about his quest to go from …

Show Us Your Everyday Carry

Adam Savage shares with the world his Everyday Carry (EDC)—basically the stuff that stays in his pockets all the time. That got us to thinking. What …

Your robot army, controlled by Arduino and Bluetooth

Open-source hardware project shrinks Arduino, adds wireless, creates awesome.<p>Soon, you could make everything in your life …

Removing an Object From Its Background in Photoshop

Open an image that has a complex subject over a background.<p>Select the Channels panel (Windows > Channels). You need to determine which channel has …