Arduino Smart Dustbin — a touch-free bin in a finished wooden body
This is the hygiene project that examiners consistently like, because the problem it solves is obvious the moment they see it: nobody wants to touch a bin lid. An ultrasonic sensor mounted on the front face watches for a hand approaching. When something comes within range, the lid lifts on its own, stays open while you drop the rubbish in, then closes. An RGB indicator LED on the front shows the bin status at a glance.
Unlike a breadboard mock-up, this one is built into a proper laser-cut MDF enclosure with a hinged lid, so it looks like a finished product rather than a science experiment.
How the circuit works
- The HC-SR04 ultrasonic sensor continuously measures the distance to whatever is in front of the bin.
- When that distance drops below the set threshold, the Arduino registers an approaching hand.
- The Arduino drives the lid mechanism to open the hinged lid automatically.
- After the hold-open delay the lid closes again, and the RGB LED module indicates the current state.
What is on the board
- Laser-cut MDF dustbin body with a hinged lid and brass hinges
- HC-SR04 ultrasonic distance sensor mounted on the front face
- RGB LED indicator module
- Arduino controller with the lid drive mechanism, wired inside the body
- USB cable for power
Perfect for
- Smart-city, hygiene and public-health project submissions
- School exhibitions and inter-school competitions
- College and university semester projects and FYP prototypes
- Demonstrating ultrasonic distance sensing in a real, finished object
Why students buy their project from Arduino Corner
The enclosure alone takes most students a weekend and a trip to a laser-cutting shop. This arrives built, wired and working, in a body that already looks like a product.
Visit us: Smart Home | Arduino Corner, Shaheen Market, DAV College Road, Rawalpindi. Same-day delivery across Rawalpindi and Islamabad, cash on delivery all over Pakistan.
