Course on Bitcoin, Blockchain, Decentralization
Our new course on Bitcoin, Blockchain and Decentralized technology gives a crash course on Bitcoin and many other blockchain projects, like Ethereum, MakerDao, IPFS, SlockIt, the DAO, Zerocash, and more. There are demos on how to acquire, store and use Bitcoin, including web, hardware and paper wallets. Some of the latest topics in Bitcoin are also covered, like soft vs hard forks, segregated witness, the lightning network and more.
The Essence of How Bitcoin Works
A brief intro to the main ideas behind How Bitcoin Works, including how money is transferred, who keeps track of it, and how the whole thing is secured.
SMT Stencil Review, including BGA Reballing
A review of SMT stencils from BEST, Inc. 10% off coupon: 'Curious'
How Bitcoin Works in 5 Minutes
A short introduction to how Bitcoin Works. Written version:http://www.imponderablethings.com/2014/04/how-bitcoin-works-in-5-minutes.html
RPi Spectrum Analyzer Display with LED Strip
A python-based real-time spectrum analyzer. Plays MP3s and does FFTs in real time using code from the LightShow Pi project and Numpy.
Full code and instructions at instructables.
Augmented Reality Circuit Building Guide
An iPad app that provides augmented reality steps for building a circuit on a bread board. Graphics are overlayed on the actual breadboard to show you exactly where to put parts, and provide extra information, like values, tolerances, and voltages.
How Bitcoin Works Under the Hood
A somewhat technical, but concise explanation of how Bitcoin works.
How to Desolder Through-Hole Joints
This video demonstrates the use of solder wick (braid), a solder sucker (desoldering pump), and desoldering gun. It explains why some joints are hard to desolder: large ground planes or components, small holes, low quality pcbs. Finally, some alternative methods are shown, including cutting the leads, pulling one lead out at a time for resistors and other two-legged parts, and heating all the pins at once, using an iron, hot air or ChipQuik.
2013 Guthman Musical Instrument Competition
The 2013 Guthman Musical Instrument Competition featured an array of new instruments that combine electronics, computers and sensors, often building on a base of a traditional acoustic instrument. The $10,000 competition had some prestigious judges this year, including Laurie Anderson, David Wessel, and electronic musician and sound designer Richard Devine.

Onyx Ashanti and his Beatjazz Exo-voice Prosthesis instrument
Make any USB MIDI Device Wireless with Raspberry Pi
astlab has made a simple device that turns any USB MIDI device into a wireless (WiFi) device that also speaks OSC. They used a USB WiFi dongle to do the transmission. Their target device is aVMeter.


