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Optical data transfer project at local school’s family science night
[Dave] wanted to show off a project at his 4th-grade son’s school during their family science night. We haven’t heard of an event like this before but it sounds like a fabulous idea! He had a new...
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Wiimote Controlled RPi Robot
[Brian] has brought together a powerful collection of hardware to build a robot. The end goal is to have a robot that’s controlled by a Wiimote. The Wiimote communicates over Bluetooth with a...
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Python script migrates from dying Google Reader to Evernote
We’re sure you’ve heard by now that Google has decided to close its RSS feed aggregator service called Google Reader. We’ve got to remember to get our list of thousands of great hacking blog feeds off...
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Rigol WFM viewer ported for non-Windows users
[Matthias Blaicher] may think this isn’t a big deal when it comes to the amount of work he put into the hack. But for us, anything that extends the functionality of the versatile yet affordable Rigol...
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Visualize Twitter with an LED matrix
What’s your favorite color? Don’t tell us, Tweet it to [Sebastian's] favorite color Twitter display and you’ll be contributing to the artwork hanging on his wall. This answers a very important...
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3D printing some sweet music
If you don’t mind ending up with oddly shaped 3D printed parts you can get your printer to sing to you. The exhibit shown above is doing just that. The Lulzbot is being driven specifically to produce...
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Alarm clock uses Raspberry Pi to poll Google Calendar
We know a lot of people love using their smart phone as a bedside alarm clock. The problem is that a mobile phone is mobile by nature and eventually you’ll forget to put it in the bedroom one night....
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Leapcast emulates Chromecast in your Chrome browser
Our Chrome browser thinks it’s a Chromecast dongle. Here’s a screenshot of it playing a YouTube video. Note the tile banner and onscreen controls which are just like the ones you’d see on the actual...
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Dead drop concept inspired by [Ender Wiggin] family
[Tyler Spilker's] DDD project is a Digital Dead Drop system based on Python and a Raspberry Pi as a server. It’s pretty rough around the edges at this point — which he freely admits. But we like the...
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Browsing the web one step at a time
After modifying his new manual treadmill to fit under his standing desk, [Brian Peiris] found a way to let him stroll all over the internet. After removing the treadmill’s original time/distance...
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STL Fun: Converting Images To STL Geometry
There’s been some good .STL manipulation tips in this week. The first one is called stl_tools, and it’s a Python library to convert images or text to 3D-printable STL files. The examples shown are...
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HHH: Sniffing Proprietary CNC to Hack in G-Code Support
Here’s a beautiful desktop CNC mill which had one big drawback: it used a proprietary interface for driving it. To increase the flexibility of the tool it was hacked to work with G-Code. The project...
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Writing a FUSE Filesystem in Python
Have you ever thought a particular project could be better if you could just control the file access directly? [Stavros Korokithakis] did, specifically for a backup program he was working on. What...
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Wireless Encryption Between Galileo and a MSP430
[Mark] recently finished his latest project, where he encrypts wireless communications between the new Intel Galileo and a Texas Instruments MSP430. The wireless interfaces used are the very common...
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Raspi Mini Laser Engraver
If you’ve got a lot of spare parts lying around, you may be able to cobble together your own laser engraver without too much trouble. We’ve already seen small engraver builds that use an Arduino, but...
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How Hacker News Page Rankings Really Work
Page rankings are the secret sauce of websites that automatically aggregate user submissions. The basic formula used by Hacker News was published a few years back. But there are several pieces of the...
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Interview with [Damien George], Creator of the Micro Python project
[Damien George] just created Micro Python (Kickstarter alert!), a lean and fast implementation of the Python scripting language that is optimized to run on a microcontroller. It includes a complete...
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Will Dance For Bitcoin
It seems that Bitcoin is all over the news nowadays, but the Bitcoin Bot is probably the first robot that will dance for Bitcoins. [Ryan] at HeatSync Labs in Mesa, AZ, is a fan of the cryptocurrency,...
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Serializing Dickens to LEDs
[ch00f] managed to capture some holiday spirit this year by translating all of A Christmas Carol to scrolling text. Dickens’s work has long since entered public domain, which led [ch00f] to wire up a...
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Python With Braces
If there’s one thing about Python that’s slightly disconcerting, it’s the complete lack of braces, or as they’re called in American English, suspenders. A feature of every variety of C, Java, PHP,...
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