Recently, I had the pleasure of speaking to Damon Hart-Davis, CEO of OpenTRV. Damon is on a quest to reduce heating waste and in so doing “cutting carbon for everyone”. That is noble in itself, however, that was not the main purpose of the conversation. Damon is making use of communications technology to deliver his mission and that brings his product into the realm of IoT. I was naturally interested to hear his views on security and heartened by what he told me. His method is consistent with the founding values of IoTSF....
By elab Dejan Nedelkovski had built an Arduino security and alarm system project that uses an ultrasonic sensor for detecting objects and a buzzer for notification. Components needed to build this simple system are: Arduino board, LCD display, 4×4 keypad, ultrasonic sensor and buzzer. The circuit can be connected as shown in the schematics below. …
This class will introduce you to the Arduino world. You'll learn the basics, build your first project, and so much more. Each lesson builds on your skills, infusing new knowledge and techniques along the way.You'll start simple with exercises that demonstrate basic breadboard wiring and coding inputs and outputs. Then you'll level up to soldering and coding addressable NeoPixel LED strip and build an infinity mirror to show off your new fun hobby.This class will launch your Arduino journey and give you the skills and confidence to take on almost any Arduino project you may find or create in the future.With the skills you learn in this class, you can enter the Arduino Contest!
By admin Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio. The idea of a single chip radio is intriguing. The prospect is especially interesting to me because, frankly, I envy the analog skills I associate with building a radio receiver. When I browsed the circuit literature in the …
Stuff that makes you say "how did they DO that?!", good magicians, artists, extreme sports, I love watching it all. Most of the time I just stare in disbelief, but when I saw Slow Dance, I was hooked. Hooked because I knew that I could make one - both the technology and materials were not only within reach but quite affordable and deceptively simple. It's slight of hand, something truly magical you can actually reach out and touch.TL;DR & spoilers"Slow Dance" is a frame that allows you to put delicate, everyday objects in (such as flowers or feathers), and makes them come alive, appearing to move or dance in slow motion. It works by simply vibrating the object at one frequency (~80Hz) under a very brief strobe at a very slightly different frequency (eg. ~79.5Hz). The difference in frequencies (sometimes called the "beat" frequency) becomes the apparent frequency of oscillatio
Android/iOS: If you want to control a Raspberry Pi or Arduino connected device from your phone, you’d usually need to know at least some programming. Blynk is an app that makes it easier to control those devices from your phone.
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