Published date: April 28, 2019
Catagory: Arduino

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.

Published date: June 18, 2016
Catagory: Uncategorized

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.

Published date: September 5, 2014
Catagory: News

SMT Stencil Review, including BGA Reballing

A review of SMT stencils from BEST, Inc. 10% off coupon: 'Curious'

Published date: May 30, 2014
Catagory: Soldering
Published date: April 13, 2014

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.

Published date: January 6, 2014
Catagory: News

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.

Published date: November 6, 2013
Catagory: News

How Bitcoin Works Under the Hood

A somewhat technical, but concise explanation of how Bitcoin works.

Published date: July 14, 2013

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.

Published date: May 6, 2013

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

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Published date: April 14, 2013
Catagory: Audio / Music
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