60 Best Arduino, ESP32 & Raspberry Pi Pico
Projects for Students
Hands-on electronics projects from blinking LEDs to full IoT smart home systems — all simulator-ready in Wokwi.
Whether you're a student building your first circuit or a maker looking for your next IoT challenge, this guide covers 60 fully explained projects across three of the most popular microcontroller platforms: Arduino, ESP32, and Raspberry Pi Pico.
Every project is simulator-friendly via Wokwi — a free, browser-based tool. No physical hardware needed. Each guide includes step-by-step instructions, circuit diagrams, and complete working code.
Raspberry Pi Pico Projects
21 projects · MicroPython · Beginner to Advanced
01Pi Pico
Introduction to Wokwi Simulator
Learn how to set up and use the Wokwi online simulator for microcontroller projects — no physical hardware required.
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02Pi Pico
Raspberry Pi Pico Keypad LED Project
Interface a matrix keypad with Raspberry Pi Pico to control LEDs based on key presses.
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03Pi Pico
Traffic Light Simulation in Wokwi
Simulate a real traffic light system using LEDs and timed sequences on Raspberry Pi Pico.
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04Pi Pico
16x2 LCD with Raspberry Pi
Display custom text and messages on a 16x2 LCD screen using Raspberry Pi Pico.
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05Pi Pico
Stepper Motor with Raspberry Pi
Control the speed and direction of a stepper motor precisely using Raspberry Pi Pico.
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06Pi Pico
4-Digit 7-Segment Display
Display numbers and countdown timers on a 4-digit 7-segment display with Raspberry Pi Pico.
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07Pi Pico
LED Blinking with Raspberry Pi
A beginner-friendly project to blink LEDs at different rates using Raspberry Pi Pico in Wokwi.
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08Pi Pico
7-Segment Display to Raspberry Pi
Connect and display digits on a single 7-segment display using Raspberry Pi Pico.
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09Pi Pico
NeoPixel Ring to Raspberry Pi
Drive a NeoPixel RGB LED ring with colorful animations using Raspberry Pi Pico.
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10Pi Pico
OLED Display to Raspberry Pi
Connect an OLED display to Raspberry Pi Pico and render text and graphics on it.
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11Pi Pico
Temperature and Humidity Monitor
Read real-time temperature and humidity data using a DHT sensor and display it on screen with Pico.
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12Pi Pico
Ultrasonic Distance Sensor
Measure distances using an HC-SR04 ultrasonic sensor and display readings with Raspberry Pi Pico.
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13Pi Pico
Motion Detection Security System
Detect motion using a PIR sensor and trigger an alarm or alert using Raspberry Pi Pico.
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14Pi Pico
IoT Smart Home System
Build a basic IoT smart home setup to control appliances and monitor sensors remotely.
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15Pi Pico
Servo Motor with Raspberry Pi
Control the precise angle and movement of a servo motor using Raspberry Pi Pico.
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16Pi Pico
3-Bit Binary Counter
Implement a 3-bit binary counter using LEDs to visually represent binary numbers from 0 to 7.
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17Pi Pico
Smart Plant Watering System
Automatically water plants based on soil moisture sensor readings using Raspberry Pi Pico.
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18Pi Pico
Intelligent Security Camera System
Build a smart camera system that detects and responds to activity using Raspberry Pi Pico.
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19Pi Pico
Voice-Controlled AI Home Assistant
Create a voice-activated assistant that controls home devices using Raspberry Pi Pico.
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20Pi Pico
Retro Gaming Console — Raspberry Pi Arcade Machine
Turn a Raspberry Pi into a retro arcade gaming console with classic game emulation.
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21Pi Pico
Smart Home Entertainment System — Media Center
Build a media center system using Raspberry Pi Pico to manage and play entertainment content.
View Project →Arduino / Wokwi Projects
22 projects · C++ / Arduino Framework · Beginner to Advanced
22Arduino
Kinetic Mandala using Servo Motors
Create a mesmerizing moving mandala art installation powered by synchronized servo motors and Arduino.
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23Arduino
Biometric Access System
Build a dual-authentication biometric security system using fingerprint and other sensors with Arduino.
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24Arduino
ColorChord — Interactive Musical Color Sequencer
An interactive project that maps colors to musical notes, creating a visual sound sequencer with Arduino.
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25Arduino
32x32 LED Matrix with Arduino Mega
Drive a large 32x32 LED matrix display to show patterns, text, and animations using Arduino Mega.
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26Arduino
Password-Based Lock Using Arduino
Build a keypad-based password lock system that controls a servo or relay using Arduino.
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27Arduino
Arduino RFID Access Control System
Use an MFRC522 RFID module to grant or deny access based on scanned RFID card data.
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28Arduino
Arduino Weather Station with Multiple Sensors
Monitor temperature, humidity, and pressure using multiple sensors and display data on a screen.
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29Arduino
Arduino Knight Rider LED Chaser
Recreate the iconic Knight Rider scanning LED animation using a row of LEDs and Arduino.
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30Arduino
Arduino Potentiometer Compass Display
Use a potentiometer to simulate compass direction and display it visually on a screen with Arduino.
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31Arduino
OLED Display Graphics using Arduino Uno
Render shapes, icons, and text on an SSD1306 128×64 OLED display using Arduino Uno.
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32Arduino
Stepper Motor Control Using Arduino
Precisely control the steps, speed, and direction of a stepper motor using Arduino.
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33Arduino
LCD Ultrasonic Parking Sensor
Build a car parking sensor that measures distance and shows proximity warnings on an LCD.
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34Arduino
RGB LED Color Mixing with Arduino
Mix red, green, and blue LED channels using potentiometers to produce any desired color.
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35Arduino
7-Segment Display Counter using Arduino
Build a digital counter that increments and displays numbers on a 7-segment display.
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36Arduino
Photoresistor (LDR) Light Sensor using Arduino
Detect ambient light levels using an LDR and trigger actions based on brightness thresholds.
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37Arduino
4-Digit 7-Segment Clock Display Using Arduino Uno
Build a digital clock that shows hours and minutes on a 4-digit 7-segment display.
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38Arduino
16×2 I2C LCD Display Using Arduino Uno
Use the I2C protocol to connect and display text on a 16×2 LCD with minimal wiring.
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39Arduino
Potentiometer Analog Input Using Arduino Uno
Read analog values from a potentiometer and map them to control outputs like LEDs or displays.
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40Arduino
Multiple LED Patterns (Traffic Light) Using Arduino Uno
Program multiple LEDs to follow traffic light sequences and switching patterns using Arduino.
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41Arduino
Buzzer Sound Generation Using Arduino Uno
Generate tones, melodies, and alert sounds using a passive buzzer connected to Arduino Uno.
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42Arduino
Arduino DHT22 + LCD Weather Station
Read temperature and humidity from a DHT22 sensor and display live readings on an LCD using Wokwi.
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43Arduino
16×2 LCD Display with Text Output Using Arduino Uno
Learn to wire and program a 16×2 LCD to display scrolling and static text using Arduino.
View Project →ESP32 Projects
17 projects · WiFi · BLE · IoT · Intermediate to Advanced
44ESP32
ESP32 WiFi Scanner
Scan and list all nearby WiFi networks with their signal strength using the ESP32's built-in WiFi.
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45ESP32
MQTT Weather Logger (ESP32)
Log weather sensor data and publish it to an MQTT broker using MicroPython on ESP32.
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46ESP32
ESP32 Gas Leak Detection System
Detect dangerous gas levels using an MQ sensor and trigger instant alerts via ESP32.
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47ESP32
ESP32 Ultrasonic Distance Meter
Measure and display real-time distance readings using an ultrasonic sensor with ESP32.
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48ESP32
Smart Home Automation System using ESP32
Control home appliances remotely over WiFi using the ESP32 as a central automation hub.
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49ESP32
IoT Weather Station with Cloud Integration
Collect environmental data from sensors and upload it to the cloud for remote monitoring.
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50ESP32
ESP32 Web Server for Remote Device Control
Host a web server on ESP32 to control connected devices from any browser on the same network.
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51ESP32
ESP32-CAM Security Camera with Motion Detection
Stream live video and detect motion using the ESP32-CAM module for a DIY security camera.
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52ESP32
Smart Parking System Using Ultrasonic Sensors
Monitor parking spot availability using ultrasonic sensors and display status via ESP32.
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53ESP32
IoT-Based Fire Detection and Alert System
Detect fire or smoke using sensors and send instant alerts over the internet using ESP32.
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54ESP32
ESP32 Smart Doorbell with Notifications
Build a smart doorbell that sends real-time notifications to your phone when someone is at the door.
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55ESP32
Smart Irrigation System with Soil Moisture Sensor
Automate plant watering by reading soil moisture levels and controlling a pump via ESP32.
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56ESP32
Bluetooth Low Energy (BLE) Beacon System
Broadcast BLE signals from ESP32 to enable proximity detection and location-based triggers.
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57ESP32
Voice-Controlled Home Assistant using ESP32
Control home devices using voice commands processed through an ESP32-powered assistant.
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58ESP32
IoT Energy Monitoring System using ESP32
Track and monitor electrical energy consumption in real time and visualize data using ESP32.
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59ESP32
OLED Screen Using ESP32
Connect an OLED display to ESP32 and show sensor readings, text, or graphics on it.
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60ESP32
RGB LEDs with ESP32 S3 Sense
Control RGB LEDs with precise color mixing and lighting effects using the ESP32 S3 Sense board.
View Project →Frequently Asked Questions
Everything students and makers commonly ask before getting started.
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