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Overview

We use light switches everyday. However, little do we realize how much energy is wasted when a light switch is unnecessarily left on. Rarely in some companies, you would see a PIR motion sensor switch that can turn on the light when someone enters a room and automatically turn off the light when the room is idle. However, the most significant thing I have noticed is that it is 2015 and we are still using dull light switches which are plastic toggle or rocker switches made from 19th century. So the goal here is very simple: Why not make a futuristic portable light switch that is installation free and environmentally friendly?

Purpose

As a college student, I do not have the best appliances or lamps. Often, I find myself struggling to toggle a lamp or appliance. In the end, I just hate the switch because it is plainly hard to toggle. Also, there have been a few times where I simply left my apartment forgetting to turn off my lamp, fan, or even soldering iron. But as a hobbyist, inventor, and programmer at heart, I did my best to make a clean DIY solution for us all to save energy (and our appliances) while making it more convenient to turn things on or off.

Intentions

Before you read on, it is important to understand a few things:

1. My intention of making this Instructable is not to infringe anyone's idea, patent, or product. I am simply sharing a project that I made on my free time and hope that my designs will someday help people.

2. Please understand that there may be slight flaws or better way to do things. Although I always welcome your comments or suggestions, I would prefer if we can keep any criticism to a minimum. If done right, the product conforms to standard wiring, is relatively safe assuming the enclose is closed, and fully functional.

3. As a disclaimer, if you have never done any electrical work and do not have proper experience in soldering and basic electronics, I would advise you to get on Google and learn these things or take a few classes about basic electronics and systems control. This Instructable utilizes high voltage, therefore you are advised to use caution when working with such equipment. *I shall take no liability of any damages or injury that may occur due to this project*

Step 1: Parts and Resources

For this project, you will need the following resources:

Parts

Tools

  • Soldering iron and rosin core solder
  • 22 AWG wire (or equivalent)
  • Copper Conductive Adhesive
  • Double Sided Tape
  • Electrical Tape
  • Scissors
  • Wire Strippers (makes life easier)
  • Masking Tape
  • Hot glue gun

Resources

<p>&quot;I would prefer if we can keep any criticism to a minimum.&quot;</p><p>Oh Dominick, you crack me up. I have to think I was the inspiration behind that statement. <br><br>Overall, this is a nice project. At first, I thought your schematic was saying to connect a 120V to 5V transformer, and I was going to have to nail you to the wall for that. If you are using an off the shelf charger for the 5V supply, you should just have a box labeled as such in the schematic. By the way, what do you use as a schematic editor? I love Eagle from Cadsoft (FREE!)<br><br>Again, I have to protest your use of an Arduino here. Check out this project I made a long time ago.<br><br><a href="https://www.instructables.com/id/Custom-LED-Touch-Light-Fixture/" rel="nofollow">https://www.instructables.com/id/Custom-LED-Touch-L...</a><br><br>Of course, the transistor driving the LEDs would be replaced with a transistor to drive the AC Relay (I am surprised the Arduino can source enough current to operate your relay directly), and you could get rid of the PWM in the code since you aren't directly driving the lights, just turning the power off and on. <br><br>But the overall concept is the same. <br><br>In fact, since you aren't actually doing any logic aside from &quot;turn off&quot; and &quot;turn on&quot; you could ditch the microcontroller all together and have the touch sensor drive a latch circuit (made with a &quot;flip-flop&quot;: <a rel="nofollow">https://en.wikipedia.org/wiki/Flip-flop_(electroni...</a> Much less chance of failure that way.<br><br>Again, good job, but I hope you take my few &quot;criticisms&quot; to heart!</p>

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