How to DIM LED with Arduino & Triac

Zero-Cross & Triac Optically Isolated Switch "Tail": http://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-dimmer

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 wit

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