Keyfob Deadbolt using an Arduino Board

The key to my apartment never worked quite right because it is a copy of a copy of a copy. I am fairly certain that the dead bolt is original to the building and the property manager seems to have lost the original key years ago. As a result unlocking the door was always a pain. Changing the lock wasn't an option, but eliminating the need to use a key was. Parts: Arduino Uno RF transmitter and receiver Serv ...

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ARDUINO MAGNETIC BOARD IS ANYTHING BUT BORING

Magnets (especially those ball magnets!) are endlessly fascinating, aren’t they? It’s almost dangerous to combine them with LEDs, because how are you supposed to get anything done with something like [andrei.erdei]’s Arduino Magnetic Board beckoning from beyond your keyboard? This tons-of-fun board uses ball magnets to light up RGB LEDs as they roll around on the sexy Plexiglas field. Underneath the LED mat ...

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Air Quality Sensor: Concept to Production

This is the full documentation of the Autodesk University Air Quality Sensor project. Attendees at several events have participated in assembling their own air quality sensor over the past several months. The Concept to Production page will give you more information on how you can use Fusion 360 and EAGLE to create your own products with ease and efficiency, just like we did with this one! Step 1: ...

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B-Safe, the Portable Safe

https://youtu.be/7b1sMp4J7ck The problem Imagine this: You wake up one morning and the weather is real good. You want to go to the beach.Because you don't live too close to the beach, you take your car. To pay for the parkingat the beach, you use your phone. This means that you go to the beach carrying (at least) the following items: Car keysDrivers LicensePhoneTowel What do you do with these items when you ...

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Bionic Iron Man Glove

One of our prime passions is to motivate the next great minds and ideas by posting informative step-by-step tutorials. To celebrate the launch of our fourth-generation muscle sensor, the MyoWare, we've revisited our most popular tutorial and simplified it down to just four major components! This Instructable will teach you to build a bionic glove using our fourth-generation muscle sensor, the MyoWare. Simpl ...

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ARDUINO TRAFFIC LIGHT SINGS THE SONG OF ITS PEOPLE

Getting an old traffic light and wiring it up to do its thing inside your house isn’t exactly a new trick; it’s so common that it wouldn’t normally pass muster for these hallowed pages. Even using one up to show the real-time status of your build or system resource utilization would be pushing it at this point. To get our attention, your traffic light is going to need to have a unique hook. So how did [Rona ...

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MIDIBOY, THE PORTABLE GAMING CONSOLE WITH MIDI

The ArduBoy is a tiny little gaming console that’s also extremely simple. It’s only a small, cheap, monochrome OLED display, a microcontroller with Arduino-derived firmware, and a few buttons. That’s it, but with these simple ingredients the community around the ArduBoy has created a viable gaming platform. It has cartridges now, and one version has a crank. Now, the MIDIboy is bringing something like the A ...

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Lightweight GSM Mobile With Arduino UNO and Nextion Display

Avishek Hardin at Arduino Project Hub designed a lightweight mobile using a GSM module, an Arduino UNO, and a Nextion touch screen display. The lightweight mobile has the following features: Make calls Receive calls Send SMS Receive SMS Delete SMS In this project, he uses a GSM SIM900A module to establish the cellular communication. The GSM SIM900A is an all-in-one cellular module that lets you add voice, S ...

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A MOSTLY 3D PRINTED SPEAKER

The common magnetic loudspeaker is, fundamentally, a fairly simple machine. A static magnetic field is generated by a permanent magnet, and a membrane is mechanically connected to a coil. When a varying electrical current is passed through the coil, this causes the coil to move due to the magnetic field, vibrating the membrane and producing sound. [Mattosx] put this theory into practice with a simple 3D-pri ...

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SOMO-II MP3 Player

The Sound Module-II or the SOMO-II is a small and efficient audio module from 4D Systems that is able to play .mp3 or .wma audio files in the convenience of accessing it within a microSD card or a USB Flash drive (by using external components). The aim of this project is to showcase the basic functions of the SOMO-II Audio Module such as the Play, Pause/Stop, Next, Previous and the Volume controls. The equa ...

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Visaton Exciter – an exciting loudspeaker

Fans of HiFi sound and similar „audiophils“ usually don´t cover their loudspakers and surely not their membranes. Firstly, to cover a beautiful top-class loudspeaker is almost a sin :-) and naturally all that stands in a way of sound usually influences it in a negative way. However, totally different situation is in traffic, audio bells, industrial conditions, in various kiosks (POS) and other applications. ...

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How to Build an Arduino Speaker That Plays Music in Minutes

The main thing which makes this project super simple is that this project requires only one extra component. If you are new to Arduino, this tutorial will help you get familiar with Arduino and learn the basics of Arduino programming. This musical project has a speaker which plays out a song. If you ever want to add some sound to your existing project, you can do it easily with this Arduino speaker tutorial ...

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