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Curious Inventor Blog Log In Search Guides Blog Products Contact Us How to use Raspberry Pi to track motion and turn skeleton head as people walk by This project utilizes a Raspberry Pi Zero, servo, camera, and OpenCV python library. Parts: Pi Zero W (with wireless): https://www.adafruit.com/product/3708 PWM Servo bonnet: https://www.adafruit.com/product/3416 Servo: https://www.adafruit.com/product/2307 USB to Barrel Jack cable: https://www.adafruit.com/product/2697 Pi NoIR Camera (camera without an IR filter that’s better at night):1 Published date: January 3, 2022 Catagory: How To & Quick Tips 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-dimmer 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 and1 Published date: June 18, 2016 Catagory: Uncategorized 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 from1 Published date: September 6, 2015 Catagory: Arduino 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 Catagory: News SMT Stencil Review, including BGA Reballing A review of SMT stencils from BEST, Inc. 10% off coupon: ’Curious’ Published date: May 31, 2014 Catagory: Soldering 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.html Published date: April 14, 2014 Catagory: How To & Quick Tips 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 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 15, 2013 Catagory: How To & Quick Tips More... About CuriousInventor launched in late 2006 (pre-arduino era!) as a place to enable hobbyists, students, and musicians to create their own technology. We sold open-source kits and tools, and offered numerous guides & videos on things like soldering, metal working, screws, electronics, and more. The store is now mostly empty, but we’ve kept the product pages and guides up since they have useful information. Many of our guides and videos still rank on the first page of google searches and have been seen millions of times. Content on this site and the CuriousInventor YouTube channel produced by Scott Driscoll . Top Videos How to Solder Electronics (1.5m views) ( free version ) Surface Mount Soldering 101 (700k views) How Bitcoin Works under the Hood (700k views) Top Guides Guides Blog Products Contact Us Contact...