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Automatic Trash Can Using Arduino Based Embedded Platform
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by Manpreet Singh - Thursday, 24 January 2019, 12:47 PM

Trash bins and managing the waste in them can be messy. And overstuffing them with waste? Even messier. But trash bins that can sense your presence when you approach them to put trash and track how much of it do they hold? Possible, smart, or both? The answer is both!

It’s time to go tech-savvy and transform the trash bin of your home into a smart one; and all it is going to take is two ultrasonic sensors, a servo motor, your old pal, evive, and some DIYing! So, are you ready to make waste management at your home smart and simple with this unique DIY smart bin? Then begin right away!

Step 1: Things You'll Need:

  • evive
  • Trashcan
  • Ultrasonic Sensor
  • Metal Servo Motor and Accessories
  • Male to Female Jumper Cable 20cm

We want that our trashbin should sense that we have approached the bin to throw the waste.

Let’s start by giving this sense to our Trash bin.

Take an Ultrasonic Sensor and glue it on the front of your bin.

As soon as you approach the bin, you want that the lid of the in should open automatically.
For this purpose, we will be using a servo motor and a thread.

Take the servo motor and glue it at the back of the bin.

To the free servo head, attach the servo horn.

Now take the thread and tie the lid to the servo horn.

As soon as you go near the bin, the first ultrasonic sensor will sense your presence. Thus notifying the evive. 
In return, the servo head will rotate pulling the thread thus opening the lid of the bin.

The ultrasonic sensor beneath the lid will sense the amount and signal the evive. evive will then display the percentage of the waste on the screen. 
As soon as the level reaches 90%, the evive will let out the inbuilt buzzer notifying the user.

Once it reaches 90%, the ultrasonic sensor attached to the front of the bin does not respond on approaching the bin. 
Thus, the bin will not open up thus you definitely need to clean up the bin.