This is a fairly low-cost wireless siren control module, managed by an Arduino Pro-Mini 3.3V. It accepts wireless commands to activate or deactivate the alarm via a wireless communications board, the nRF24L01+.This siren is a 120db variety with a 3.5mm plug. It is VERY loud and has been tested at between 6 and 12V+, the loudness varies with the power to the siren. In the video, the first adapter is a 5.9V, 375mA version. That is then replaced with a 12V 9 Amp battery. The control can be placed anywhere within the NRF's communications range. It can be hidden in a hard to reach place and although it could be powered via an AC adapter, it would most likely be battery driven. Who needs an alarm system that doesn't work when the AC power is cut?This is a low power implementation of the Pro-Mini microcontroller, the LEDs are disabled, whic
In this Instructable I am going to show you how to build a Wireless Weather Station with a big 3.2" Color TFT display using Arduino. Building a Wireless Weather Station is a great learning experience. When you finish building this project you will have a better understanding of how wireless communucations work, how sensors work, and how powerful the Arduino platform can be. With this project as a base and the experience gained, you will be able to easily build more complex projects in the future.A Weather station is a device that collects data related to the weather and enviroment using many different sensors. We can measure many things like: Temperature Humidity Wind Barometric Pressure UV index Rain In the Weather Station that we are going to build we are going to measure Temperature and Humidity in two locations and display the current date and time. Building a weather statio
About a year ago I set on my journey towards becoming a quadcopter pilot. Back then, I had no idea what I was doing. I was treading into new territory as I had never built anything as substantial as this before. I spent 5 months researching; visiting countless websites, watching tons of videos and posting a lots of noob questions on the RC forums until I found myself ready to build my first quadcopter. So, I got out the soldering iron, put on my safety goggles and began soldering. I ended up destroying an ESC (Electronic Speed Controller) within 5 minutes, but luckily I had bought a spare. Eventually, I managed to complete it without destroying everything and connected the battery for the first time. This is the moment where my heart was racing, because it could only go two ways, it could have either worked, or could have ende
[ Play Video ]Most of my Instructables are based on renewable energy,battery or recycling used materials.In this Instructable, I have tried something new i.e making a simple Arduino based robot car.This is my first try to make a robot in my life. If you have never tried to make robot, you must be thinking its a difficult hobby to jump into, but the Arduino and the 2WD / 4WD Robot Chassis make it easy for you to build an awesome robot without any struggle.I always love to share my knowledge learned from my experience.So writing this guide, it will make easy for you to learn the basics of robotics and applications of the Arduino.
More and more, we're communicating with 3-letter abbreviations. BRB, LOL, WTF, etc. Smart phones, although convenient, are also adding to our disconnection from objects as things made by humans. This Split Flap Display brings text and animation back to its mechanical roots.By pushing the buttons, you cycle through all the letters of the alphabet to spell out your thoughts in acronym form, and the last frame is an animation of the very first cat video (by Eadweard Muybridge). Why use high-resolution, multi-functional devices when you can get back to your industrial revolution roots?
Do you use emoticons? Do you ever wish you could have a button to quickly and easily type an emoticon?Well, look no further because I'll show you how to make a mini emoticon keyboard with a keyboard switch tester, an adafruit trinket board, and a 3d printed case.
Arbalet is an ARduino-BAsed LED Table, a flat surface filled with several hundreds of coloured square lights designed for Education, Geeks, and Pleasure. With its limited number of pixels and a DIY touch interface, Arbalet brings our old 80's arcad games back into fashion through a modern, classy, and hackable device.Arbalet is intended to be easily reproducible, highly customizable, and programmable to create new games, light animations and applications. It's not only a LED table but also an open development platform programmed in Python or even via a visual programming language to teach programming to beginners.This tutorial describes how to build an Arbalet Lava (LAser-cut VAriant) of 150 pixels with a 6-key touch interface using laser cutting. Its LEDs are connected to an Arduino controller driven from USB by a Linux computer running Python games and light effects. The latter can be a Raspberry Pi to make the table autonomous.
For Christmas I designed and built six steam-punk owl clocks that have a novel faux Nixie Tube display. Nixie tubes are wonderful with their glass tube bodies and brightly glowing numerals, but think how wonderful a solid-state low-power any color "Nixie Tube" would be! The basic idea is that you position an LED at the…
Hi y’all, I'm Ian van Mourik a Product Designer from the Netherlands. This instructable is a brain child that I just had to share with the world. Bad air quality causes various health problems and purification solutions are often complex and expensive. The solution is an open source no nonsense air purifier: the OPEN AIR!This instructable is based on my first experimental prototype of the OPEN AIR. It’s meant to be a platform to build upon and improve. My personal goal is to test and improve the design and effectiveness. Collectively we can provide new and better solutions. The modular filter design makes it possible to change and test different kind of filters. This Design is based on a carbon type filter in collaboration with two pressure optimized 120mm 12v PC fans. It´s controlled by an Arduino with a gas sensor and a LED panel for subtle visual feedback. I
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