This was my first real Arduino project and is also my first instructable so be kind in the comments :) I wanted to try and answer the questions that took me some time to figure out and provide detailed instructions so if you're very familiar with hobbyist electronics then you can probably skim through each step but if you're new to this it should provide you with everything you need.The aim of the project was to create a 12 x 12 pixel screen in a coffee table that can be controlled via bluetooth and used as a cool room light/play games on it.For this build you will need these parts: Arudino Mega (or clone) - https://www.amazon.co.uk/Arduino-Mega-2560-R3-Micr... Arduino micro SD Card Shield (I used this one and and soldered the headers on) - https://www.sparkfun.com/products/12761 Micro SD card - Any size will do but it must be formatted in FAT32 5m WS2812
This project describes the design of a very low budget 3D Printer that is mainly built out of recycled electronic components. The result is a small format printer for less than 100$.First of all, we learn how a generic CNC system works (by assembling and calibrating bearings, guides and threads) and then teach the machine to respond to g-code instructions. After that, we add a small plastic extruder and give an overview on plastic extrusion calibration, driver power tuning and other few operations that will bring the printer to live. Following this instructions you will get a small footprint 3D Printer that is built with about an 80% of recycled components, which gives it a great potential and helps to reduce the cost significantly.On one side you get an introduction to machine building and digital fabrication and on the other side you get a small 3D Printer built out o
Greetings, fellow Raspberry Pi enthusiasts. We are about to create a multi-purpose gadget that is sure to impress! My primary reason for building this to to control my Christmas lights, but that is only one of many possible uses. Basically you can plug in up to 8 appliance and turn them on and off independantly from your smart phone! If you want to setup port-forwarding on your wireless router, you can control your appliances from anywhere in the world. (Although why you would want to turn on your blender from over-seas is a bit of a mystery.) Please leave me a comment letting me know how you use your Web Controlled Powerstrip! Before we get started, I want to give credit where credit is due: TheFreeElectron wrote an excellent instructable on controlling the Raspberry Pi GPIO pins from a web-browser. In fact, in-order to complete this instructable, you will need t
This is a temperature/humidity/noise detector to be used in any room, in this case a library. This device continuously takes the input devices and logs the data into the dashboard with a buffer of 1 hour and access every data intake online through phpMyAdmin. This device can take incoming Tweet events to do various jobs through outputting current readings to Twitter or mail. You can also access these functions through the dashboard.
The Radio Hack Box is a tool to Demonstrate Vulnerabilities in Wireless Input Devices. The SySS Radio Hack Box is a proof-of-concept software tool to demonstrate the replay and keystroke injection vulnerabilities of the wireless keyboard Cherry B.Unlimited AES.
This system is quite complex, I will do my best to make it simple to understand and, for those who have the courage, I tried to put as much details on the photos.(PS: I'm a french teenager, I hope my English is not to bad :)
This is a followup instructable, I've written this one a bit after "Building Homie Devices for IoT or Home Automation". The later was focusing on basic monitoring (DHT22, DS18B20, light) around D1 Mini boards.This time, I'd like to show how to add a serial header for FTDI adapter on a Sonoff WiFi Wireless Smart Switch and flash Homie for ESP8266 to the Sonoff device. Using a Homie firmware, the device can be controlled over MQTT and the button will turn relay on/off.Oh, this Sonoff device is a ESP8266 powered from AC (90-250V 10A) and controlling a relay for AC output. It also has a LED and a button. If you need 16A look at Sonoff TH10/TH16: Temperature and Humidity Monitoring WiFi Smart Switch for instance. They have a whole range.There are quite a lot of hacks available for the Sonoff. This range from this simple "add a serial header" t
Do you get stress out while working or you fidget a lot when you are sitting idle? If yes, then you definitely need this homemade fidget spinner which can help you in overcoming your stress and can also acts as a great toy for killing time. This spinner also helps you in building up concentration and in relaxing when you are tired. With this cute little spinner, you can also do some tricks. Your siblings and friends would be fascinated when they see this spinner in your hand. You can also buy a spinner from the market, but those spinners are sold above $1 and are made up of plastic whereas this spinner is made up of wood and the build cost of it is around 0.42 dollars or INR 30. Telling about the materials, this spinner is completely made up of wood and the ball bearing used is mad
This tutorial is one among many when it comes to using a Raspberry Pi to control wireless devices around the home. Like many others, it will show you how to use a cheap transmitter/receiver pair hooked up to your Pi to interact with devices operating on the commonly used 433MHz radio frequency band. It will specifically show you how to turn any electrical device on or off using your Pi by transmitting commands to a set of 433MHz remote-controlled power sockets.Why did I create this tutorial if so many already exist? Mainly because pretty much all the other tutorials I came across seemed to overcomplicate things, especially on the software side. I noticed that they relied heavily on third-party libraries, scripts or code snippets to do all the work. Many wouldn't even explain what the underlying code was doing - they would just ask you to shove two or thre
There are plenty of reasons you might want to 3D print something, but few that justify owning one. You could print anything from a custom GPS mount for your bike to Dungeons & Dragons miniatures to wearable armor for your next Star Wars cosplay. Unless you’ll be printing a ton of stuff on the regular, though, none of them are worth the hundreds you’d need to spend for a 3D printer (or the thousands you’d spend on a really good one).
Overview Glowing Element In this guide, you'll learn how to build a bright glowing light that can be used for cosplay elements, decor and wearables. The circuit and components are fully contained in a 3D printed cylindrical enclosure.
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