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Build Your Own DeskPet Cube Robot – Interactive ESP32 Desktop Companion

on February 24, 2026

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🏀 Arduino Mini Basketball Game – Goal Counter with IR Sensor, 7-Segment Display & I2C LCD

📌 Project Overview This project is a Mini Basketball Game made with an Arduino board, IR sensor, 7-segment display, buzzer, and an I2C LCD. The IR sensor detects when the ball goes through the hoop. The 7-segment display shows the score (0–9 for 1 digit). The I2C LCD shows the game title and flashes “GOAL!” when a score is made. The buzzer plays a short beep sound whenever a goal is scored. The Arduino RESET button resets the game. This is a fun project for kids, students, and hobbyists who want to learn Arduino in a playful way. 🎯 Components Required Arduino UNO (or compatible board) 1 × IR Sensor Module 1 × 7-Segment Display (Common Cathode, 1-digit) 1 × 16×2 LCD with I2C module 1 × Buzzer (active) Jumper wires Breadboard or PCB 🔌 Circuit Connections IR Sensor IR Sensor Pin Arduino Pin VCC 5V GND GND OUT D2 Buzzer Buzzer Pin Arduino Pin + D8 – GN...

🚨 Smart Gas Leak Detector with NodeMCU & Servo Motor

Student Project – IoT Based Gas Cylinder Safety System This project detects gas leaks using an MQ-2 sensor, alerts the user, and allows remote control of the gas cylinder valve using a servo motor . The system hosts a colorful animated webserver for monitoring and control. Components Required Component Quantity Description NodeMCU ESP8266 1 Wi-Fi enabled microcontroller MQ-2 Gas Sensor 1 Detects LPG, Butane, Methane Servo Motor (SG90) 1 Rotates valve knob to OFF position Jumper Wires Several For connections Breadboard 1 Prototyping USB Cable 1 Power + Programming Circuit Connections NodeMCU Pin Component D0 (GPIO16) Servo Signal (Orange wire) 3.3V MQ-2 VCC GND MQ-2 GND & Servo GND A0 MQ-2 Analog Output Vin (5V) Servo VCC 💻 Arduino Code (NodeMCU) #include <ESP8266WiFi.h> #include <ESP8266WebServer.h> #include <Servo.h> // Wi-Fi Credentials const char* ssid = "YOUR_WIFI_NAME"; const char* password = "YOUR_WIFI_PASSWORD"; // Web server o...

🏀 Arduino Mini Basketball Game with Ultrasonic Sensor, 7-Segment & LCD

Introduction Have you ever wanted to make your own electronic mini basketball game ? Using an Arduino UNO , an ultrasonic sensor , a 16x2 LCD , and a 2-digit 7-segment display , you can build a fun project where every time you throw a ball into the hoop, the system automatically counts the goal. The 7-segment display shows the score, while the LCD displays messages such as the game title, "Game Start", and "Game Over". A reset button allows restarting the game anytime. This project is perfect for Arduino beginners and can be used as a mini project for school, college, or DIY fun. Components Required Arduino UNO (or compatible) Ultrasonic Sensor (HC-SR04) 16x2 LCD (without I2C module, parallel mode) 2-digit 7-segment display (common cathode) Push button (for reset) 10k Potentiometer (for LCD contrast) Resistors (220Ω for LCD backlight & button pull-down if needed) Breadboard and jumper wires Buzzer Circuit Diagram (Connections) I2C...

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Build Your Own DeskPet Cube Robot – Interactive ESP32 Desktop Companion

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