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Door Activated LED Lighting using Hall Effect Sensors using Attiny85 microcontroller

I've been meaning to make something cool for my dorm room this coming semester and decided that some custom closet lights would look great. In this Instructable, I'll show you how to make some nice-looking LED lights that will turn on automatically using a hall effect sensor and a magnet. Edit: I've noticed a lot of people are hating on the excessive control used in this project so I just wanted to clarify ...

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The Lightning Simulator/Breathalyzer/Graphic Equalizer – Using Arduino Powered

The LED strips are mounted on an outdoor trellace which functions as a lightning simulator, outdoor breathalyzer, graphic equalizer synced to music, and a few other effects with sound. Materials:   8 12v RGB Waterproof Flexible LED Strips 10ft long (usledsupply.com) - $800 8 RGB 4A/Ch Amps (usledsupply.com) - $200 8 RGB 4A/Ch Amps with TTL input (usledsupply.com) - $200 RGB Controller 8 Key Touch (Wall ...

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The Household Informer using atmega168 microcontroller

Who wants to go outside to see if the mail has arrived? In the cold winter or rain I’d rather not have to put on a jacket and shoes, only to find that there was no mail. This project will notify you of the mail carrier’s visit, and as a secondary function it will remind you that the garage door has been left open. It can even be expanded to include other sensors Step 1 Schematic The project is based on the ...

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External device control (i.e. coffee machine).

Note: Try any or all of these at your own risk. I will not be responsible for any issues. Get a professional to help if you are unsure. The concept is that we take a controlling voltage from the computer or a micro-controller, which drives an electrically isolated circuit with Relay or Triac. You must choose a Relay circuit, if you have a big coffee-machine (greater than 200W or so), otherwise you can use a ...

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Infrared Proximity Sensing Coffee Table Module & Color Changing Glowing Faucet using Microcontroller ATMEGA48

This is merely an instructable to explain how this device operates. I hope everything is not too obfuscated. This prototype consists of three 8x8” modules. Each module operates independently of each other. Each module consists of 4 “pixels”. Each pixel is 4 inches square and consists of 21 LEDs, two IR emitting diodes, and two IR photodiodes. The mode of sensing is active infrared. Check out my Color Changi ...

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USB controlled home automation hack using Microcontroller ATmega8

Hack a wireless home automation system to be USB controlled using two AVR microcontrollers! Check out the video! The system is really more responsive, but the browser on my phone is slow. Skills ans tools There are two ways of hacking an RF remote to be controlled by a computer or a microcontroller. The lame way: Soldering wires onto the button pads on the remote and hooking them up to an Arduino. The cool ...

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Yet Another Daft Punk Coffee Table (5×5 LED Matrix)

Yes, I know this has been done before, but I wanted to build my own, using as few parts as possible.  I built this as a table top or wall mount model, but it can be scaled up to make a coffee table.  I built it as a study for a more ambitious project, which will be an 8x8 RGB coffee table.  In designing this project, I wanted to keep the part count and cost as low as possible, and also to design the softwar ...

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