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Build Your Own Raspberry Pi Smart Dustbin | 2026

Name: Build Your Own Raspberry Pi Smart Dustbin | 2026
Rating: 4.4 (22 reviews)

Build a Motion-Activated Smart Dustbin using Raspberry Pi, Program Servo Motors, and Interface Ultrasonic Sensor

Created byStepwise Learning ., Technical Support Team

Last updated 6/2026

English

What you'll learn

Understand how the HC-SR04 ultrasonic sensor measures distance and detects objects without physical contact.
Wire and test the HC-SR04 sensor on Raspberry Pi and verify accurate real-time distance readings in your terminal.
Build the complete sensor-to-Raspberry Pi circuit from a professional wiring diagram and confirm it works before writing project code.
Understand what happens inside a servo motor and why PWM signals are the key to controlling its rotation angle precisely.
Program PWM signals on Raspberry Pi to control a servo motor with precise, repeatable movement from code.
Wire a servo motor to Raspberry Pi correctly and understand its power requirements to avoid damaging your hardware.
Use a mathematical formula to calculate precise duty cycles and command your servo to any angle between 0° and 180° without guesswork.
Design your own IoT dashboard from scratch and monitor live sensor data from your smart dustbin on any device.
Send real-time data from Raspberry Pi to a backend server and watch your dashboard update live — from anywhere.
Write and deploy the complete automation program that integrates sensor detection, servo control, and live IoT updates in one working system.

Coding Exercises

This course includes our updated coding exercises so you can practice your skills as you learn.

Course content

7 sections • 35 lectures • 1h 24m total length

Introduction3:21
This lecture contains the existing problem which we face in our day to day life and the project concept to solve the problem
Working Principle of Distance Measurement Sensor3:13
In this lecture, you will understand how the HCSR04 distance measurement sensor works.

Document - Hardware Requirements0:47
The lecture contains the complete list of hardware required to complete the course.
Understanding Circuit Diagram - Distance measurement2:38
This lecture contains the circuit diagram which will help to connect the Raspberry Pi with the distance measurement sensor.
Circuit Diagram - Distance Measurement - Breadboard based
This lecture contains the breadboard based circuit diagram to connect the distance measurement sensor with the Raspberry Pi.
Circuit Diagram - Distance Measurement - Direct Connection
The lecture contains the circuit diagram which shows the direct way to connect the distance measurement sensor with the Pi.
Understanding the code - Distance Measurement - Part 15:27
This is the first section of the distance measurement code which explains how to define the variables and use the try-catch concept in the program.
Understanding the code - Distance measurement - Part 25:42
This is the second section of the distance measurement code which teaches the mathematical formula to be implemented to calculate distance.
Complete Source code - Distance Measurement0:20
Thie lecture contains the complete error-free source code to test the distance measurement using Raspberry Pi and the HCSR04.
Real time Demonstration - Distance Measurement2:39
The lecture contains real-time working of the distance measurement sensor. The code has been executed and the output has been recorded at the same time.

Understanding the servo motor2:09
This lecture demonstrates what a servo motor is and what are its applications in the various field of electronics.
Working Mechanism of the Servo Motor2:18
This lecture explains the working mechanism of the servo motor and how it is controlled using pulse width modulation.
Understanding Circuit Diagram - Servo Motor connection2:52
The lecture contains a detailed explanation of the servo motor connection with the Raspberry Pi and also the power requirements to operate the same.
Circuit Diagram - Servo Motor Connection with Raspberry Pi
This lecture explains the circuit diagram which helps to establish the connection between the Raspberry Pi and the servo motor. This test is important before you actually go for the final project implementation.

Adding handle to servo motor control horn1:46
In this lecture, you will understand how we can add a thin handle to the servo motor which will be further used to lift the lid of the dustbin.
Testing Servo Motor Part 14:36
This lecture teaches how we can use the hit and trial method to get the maximum left and maximum right position and then after applying certain values we get the desired duty-cycle for zero degree and 180 degrees.
Testing Servo Motor Part 22:09
This is the continuation of the previous lecture where we will learn about the duty cycles to be implemented to reach the desired angles Zero degree and 180 degrees.
Source code - Finding proper position0:16
This lecture contains the error-free source code which will help you to find the proper duty cycles to reach zero degree and 180 degrees.
Real Time Demonstration - Finding proper position3:01
This lecture demonstrates the real-time footage which was captured parallel to the program execution. Here you will notice that how the correct duty cycles moved the servo to the desired zero and 180 degrees.
Moving servo to desired angle3:54
In this lecture, you will go through the program, which teaches how we can use the mathematical formula to derive the required duty cycles and move the servo to the desired angles.
Source code - Moving servo to desired angle0:20
This lecture contains the error-free source code which will help you to move the servo to the desired angle.
Real time Demonstration - Moving servo to desired angle1:55
This lecture contains real-time footage and working of the servo motor, you will notice the servo moving to the desired angle.

Understanding IoT & the platform used3:49
In this lecture, we will understand in detail about the Internet of Things and what are its applications. We will also come to know about the IoT dashboard and what benefits we have using the same dashboard.
IoT Dashboard Account creation and testing Part 15:08
In this lecture, you will learn how to design the IoT dashboard and install the dashboard application on the Pi. Before implementing the project we will also test with a basic program how the dashboard actually works and how Pi sends the data in realtime to the back-end server.
IoT Dashboard Account creation and testing Part 23:07
This is the continuation of the program which will help us to establish a connection with the online dashboard and test the working of the same.
Source Code - IoT Dashboard Testing0:33
This lecture contains the error-free source code of the IoT dashboard testing program which will help you to test the working of the IoT dashboard, this is a basic program and hence it will be easy for you to understand the working principle.
Real time Demonstration - IoT Dashboard Test1:47
The lecture shows the real-time footage of the working of the IoT dashboard. You will notice how the program sends the generated data to the backend server and it is displayed on the dashboard in real-time.

IoT Dashboard account creation for the automated dustbin3:37
The lecture contains the process through which you can design the IoT dashboard for receiving the incoming data from the Raspberry Pi. Every status of the dustbin will be updated immediately.
Understanding the Automated Dustbin Program Part 13:08
In this lecture, you will understand the final program which will make the automated dustbin work. This is the first section of the program where variable creation is done and the API key and the secret key is updated.
Understanding the Automated Dustbin Program Part 23:24
In this lecture, you will understand the final program which will make the automated dustbin work. This is the second section of the program where the main part of the code is mentioned for distance measurement and detection.
Automate the program to start on boot0:56
In this lecture, you will learn how to automate the dustbin program to start on boot. You don't need to manually start the program but it will be executed automatically whenever the Pi boot.
Complete Source Code - Automated Dustbin0:34
This lecture contains the complete error-free source code to test the working of the automated dustbin.
Real time Demonstration - Working of the Automated Dustbin3:15
This lecture shows the real-time footage of the automated dustbin. The program was auto executed and the dustbin performance was noted.
Conclusion2:58
This is the summary lecture of the overall course. This contains the complete details that you have learned so far in the course.
Future Scope of the Project2:36
In this lecture, we explore advanced features and enhancements for the IoT-based Smart Dustbin, including waste level monitoring, odor control, and AI integration. You'll learn how to take your project further with innovative IoT technologies and real-world applications.

Write a program to convert the temperature in Celsius to Fahrenheit.
Write a program to determine whether a given number is an Armstrong number or not.
Write a program to remove punctuations from a given string.
Write a program to convert a string's characters to their corresponding ASCII values.
Write a program to remove characters at odd indices from a given string.
Write a program to compute EMI of provided loan amount, interest rate, and loan duration.
Progamming QUIZ

Requirements

No prior Raspberry Pi or electronics experience needed — everything is explained from scratch.
A laptop or desktop computer with internet access to download software and follow along.
A Raspberry Pi board (any version), an HC-SR04 ultrasonic sensor, and a servo motor — full hardware list is provided inside the course.
Basic computer skills such as browsing the internet and installing software — no programming background required.

Description

What If Your Dustbin Could Open Itself — And You Built It?

That is not a fantasy. By the end of this course, you will have a fully working smart dustbin that detects your hand, opens automatically, and reports live status to an IoT dashboard you designed yourself. Every wire, every line of code, every configuration — done by you, from scratch.

This is not a watch-and-forget course. This is a build-it-yourself experience.

No Experience Required. Seriously.

You do not need a background in electronics, programming, or IoT. If you can use a computer, you can take this course. Every concept is introduced from the ground up, explained in plain language, and immediately applied to something real.

What You Will Build:

A motion-activated smart dustbin powered by Raspberry Pi that:

Detects an approaching hand using an HC-SR04 ultrasonic sensor
Opens the lid automatically using a servo motor
Sends live status updates to a real IoT dashboard accessible from any device
Runs fully automated — no buttons, no apps, no manual operation

What You Will Learn — Section by Section:

Project Concept and Sensor Fundamentals Understand the complete working principle behind the project. Learn exactly how the HC-SR04 ultrasonic sensor calculates distance and why it is the right choice for contactless detection.

Circuit Design and Hardware Setup Study the full circuit diagram connecting Raspberry Pi to your sensors. Write and run a test program to confirm your hardware is wired correctly before writing a single line of project code.

Servo Motor Control and PWM Programming Understand what happens inside a servo motor, how pulse width modulation controls rotation angle, and how to command precise movement between 0 and 180 degrees from your Raspberry Pi.

Mathematical Duty Cycle Calculation Go beyond trial and error. Learn the mathematical approach to calculating exact duty cycle values for any desired angle — giving you precise, repeatable motor control every time.

IoT Dashboard Design and Live Monitoring Build your own online dashboard from scratch. Send real-time data from your dustbin to a backend server and watch it update live — accessible from your phone, tablet, or computer.

Final Integration and Full Automation Bring every component together into one main program. Sensor readings, motor movements, and IoT updates all running simultaneously — a fully automated smart device you built yourself.

Why Students Choose This Course:

Works with Any Raspberry Pi Version No need to buy specific hardware. The techniques and code work across all Raspberry Pi models.

Complete Project from First Wire to Final Dashboard Nothing is left out. You start with an empty board and finish with a fully deployed IoT automation project.

Step-by-Step with Real Demonstrations Every lecture includes live hardware demonstrations so you always see exactly what the result should look like before you build it yourself.

English Subtitles on Every Lecture Clear, accessible learning regardless of your background or pace.

24-Hour Technical Support Post any question in the Q&A section and receive a clear, actionable response within 24 hours — Monday to Saturday. You are never stuck alone.

30-Day Money-Back Guarantee Enroll completely risk-free. If this course does not meet your expectations for any reason, request a full refund within 30 days — no questions asked, no explanations needed.

The skills you build here go far beyond a dustbin.

Once you understand servo control, ultrasonic sensing, and IoT dashboard integration, you can apply the same principles to door automation, security systems, smart appliances, robotics, and industrial IoT projects.

Click Enroll Now and build your first smart IoT device today.

Who this course is for:

Anyone curious about how smart IoT devices work and eager to build one from scratch using real hardware.
Students and hobbyists who want a complete hands-on project — from circuit wiring to a live IoT dashboard.
Beginners with no prior electronics or programming experience who want to build a real working IoT automation project.
Engineers, makers, and tech enthusiasts looking to add a fully functional IoT project to their portfolio.

Build Your Own Raspberry Pi Smart Dustbin | 2026

What you'll learn

Explore related topics

Coding Exercises

Course content

Introduction & Project Concept2 lectures • 7min

Circuit Diagram and hardware module testing8 lectures • 18min

Understanding servo mechanism and connectivity4 lectures • 7min

Coding Servo for desired angle8 lectures • 18min

IoT Dashboard implementation5 lectures • 14min

Automated dustbin8 lectures • 20min

Coding Exercise0

Requirements

Description

Who this course is for: