How to DIM LED with Arduino & Triac
Zero-Cross & Triac Optically Isolated Switch "Tail": https://www.powerswitchtail.com/pssr-zc-tail arduino: https://amzn.to/2P12JaL RealTimeClock (RTC): https://amzn.to/2NTKsjg 15W Dimmable LED https://amzn.to/2OqlHL0 CR2032 battery for RTC: https://amzn.to/2Ov8elf sourcecode: https://github.com/curiousinventor/AC-triac-arduino-led-dimmerPublished date: April 28, 2019
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 and1Published date: June 18, 2016
SMS to Cheap Scrolling LED using Arduino USB Host Shield and Android App
This project shows how to send SMS text messages to a cheap scrolling LED display via an Android app and arduino with USB host shield. The project was originally inspired by a friend wanting to make a "sexting themed" costume, with a scrolling LED display of live texts sent from1Published date: September 6, 2015
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 6, 2014
SMT Stencil Review, including BGA Reballing
A review of SMT stencils from BEST, Inc. 10% off coupon: 'Curious'Published date: May 31, 2014
How Bitcoin Works in 5 Minutes
A short introduction to how Bitcoin Works. Written version:https://www.imponderablethings.com/2014/04/how-bitcoin-works-in-5-minutes.htmlPublished date: April 14, 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 7, 2014
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
How Bitcoin Works Under the Hood
A somewhat technical, but concise explanation of how Bitcoin works.Published date: July 15, 2013
How to Desolder Through-Hole Joints
https://www.youtube.com/watch?v=Z38WsZFmq8E 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 lead1Published date: May 7, 2013
