Smart Bin

Our Smart Bin allows users to 'check in' with a special pass which is linked to a personal account. After checking in any garbage thrown in the bin will award the user a point. These points can then be used to purchase various gifts in the city of the garbage bin.

You will need the following to continue build this bin:

Electronics:

  • Arduino
  • Various cables
  • Sonar sensor (HC-SR04)
  • LED display (4 digit)
  • RFID reader (RFID RC522)
  • RFID tags

Other:

  • Wood
  • Glue
  • Screws
  • Colored paint or colored paper and tape
  • Solder

Tools:

  • Saw
  • Screwdriver
  • Drill
  • Computer to write and upload code
  • Soldering iron

Once you have everything you can start building!

Step 1: Build the Bin

Using a saw cut the wood into the following dimensions:

  • 2x 52cm x 30cm (side panels)
  • 2x 48cm x 30cm (bottom and top panel)
  • 2x 48cm x 52cm (front and back panel)

Cut a hole in the top panel for your garbage to be thrown in.

Glue the parts together, except the top which will become the lid for easy cleaning access.

Step 2: Design and Decorate Your Bin

Paint it!

Step 3: Connecting All the Parts to Your Arduino

Before you start I recommend connecting the parts one by one, so you can easily find any mistakes you possible make. Gather the parts you'll use together. Here's a list of items you will need and their connections. You can connect most of them quite easily by using some male-female jumper wires. For the RFID Reader you do need to solder a bit depending on the type you bought.

RFID Reader

SDA -> Pin 10

SCK -> Pin 13

MOSI -> Pin 11

MISO -> Pin 12

GND -> GND on Arduino

RTS -> Pin 9

3.3V -> 3.3V on Arduino


4 Digit 7 Segment Display

CLK -> Pin 7

DIO -> Pin 6

VVC -> 5V on Arduino

GND -> GND on Arduino


Sonar Sensor

VVC - > 5V on Arduino

GND -> GND on Arduinp

ECHO -> Pin 4

TRIGGER -> Pin 2

Speaker

GND -> GND on Arduino

VVC -> Pin 8

Step 4: Coding the Arduino

Due to a bug I can't post the code. You have to download the file and copy the code that way.

Step 5: Finishing the Project

If you've completed all the steps you have finished the project. Download the video if you want to see it in action or go play with it yourself.

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