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🗑️ Build a Smart Dustbin Using Arduino Uno – Beginner Friendly Project
Looking for a fun and practical project to get started with Arduino? In this tutorial, you’ll learn how to build a Smart Dustbin that automatically opens its lid when someone approaches. Using an ultrasonic sensor to detect proximity and a servo motor to lift the lid, this project introduces the fundamentals of sensors, motion control, and embedded automation.
It’s a great DIY project for school, science fairs, or just to make your space smarter!
🧰 Components Used:
Arduino Uno – the microcontroller brain of the project
SG90 Servo Motor – controls lid movement
Ultrasonic Sensor (HC-SR04) – detects distance
Jumper wires and breadboard
Dustbin or box with a movable lid
🔗 Arduino Code & Circuit Diagram:
View the full schematic and code on the project page → Smart Dustbin on Tinkerzy
📸 Suggested Image Slots:
Close-up of sensor mounted on dustbin
Breadboard connections with Arduino
Servo installation under the lid
Screenshot of code/circuit
🛠️ Step-by-Step Instructions:
Step 1: Prepare the dustbin by cutting a slot or hinge in the lid for servo movement.
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Step 2: Mount the ultrasonic sensor on the upper front of the bin, ideally above the opening.
Step 3: Connect the HC-SR04 ultrasonic sensor to the Arduino:
Step 4: Attach the SG90 servo motor:
Step 5: Secure the servo to the lid so it can lift when activated by the sensor.
Step 6: Upload the Smart Dustbin code using Arduino IDE. The servo should move when a hand is detected within 20 cm.
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Step 7: Power the Arduino with a USB cable or 9V battery, and test it! The lid should automatically open and close based on your hand’s distance.
🎯 What You’ll Learn:
How ultrasonic sensors measure distance
Basics of servo control with Arduino
Creating sensor-based automation systems
Wiring and coding for simple IoT devices
📲 Stay Updated: Follow me on Instagram → @drab_tech for behind-the-scenes, Q&A, and more builds
📬 For Business Enquiries: Email – drabtech@gmail.com
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💡 Explore More Arduino Projects
Want to make a Bluetooth bot, RC car, or home automation system?
Check out the full project list → Browse Projects on Tinkerzy
This guide is for educational purposes only. Always build responsibly and avoid republishing content without permission.
