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Clevercan: Smart Waste Management System with Hall Sensors
Author: Hayden Lee

Demonstration

Parts

1. An assortment of Lego pieces
2. A3144 hall sensors

3. Wago 221 wire connectors

4. Red and green LEDs

5. 5V power bank

6. USB to barrel plug connector

7. Resistors (470 and 10k Ohm)

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Instruction

1. Build the Hall sensor circuit and the LED light circuit. Write Arduino codes for the Hall sensor.

2. Used Lego parts to build a rotatable arm.

3. Drill two holes on a plastic lid to allow the sensors to pass through.

4. Fix the Hall sensor circuit and Lego rotatable arm underneath the lid.

5. Secure the power bank, Arduino and LED on top of the lid using 2 wago connectors, one of which was used to connect the +5V from Arduino to the sensors while the other was used to connected to ground.

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