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wet and dry waste segregation project using arduino code for science exhibition – diy – howtofunda

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#include <Servo.h> Servo myServo; const int trigPin = 9;const int echoPin = 8;const int moisturePin = A0; // Set threshold based on your moisture sensor calibration (0 – 1023)const int moistureThreshold = 600; void setup() {  myServo.attach(10);  myServo.write(90); // Neutral position (center)   pinMode(trigPin, OUTPUT);  pinMode(echoPin, INPUT);   Serial.begin(9600);} void loop() {  // Clear trigPin  … Read more

Smart Dustbin Working Model Using Arduino

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The Smart Dustbin Working Model Using Arduino is an innovative and practical science exhibition project that demonstrates how simple electronics and automation can be used to improve cleanliness and hygiene. The model shown uses an Arduino Uno, HC-SR04 ultrasonic sensor, SG90 servo motor, breadboard, jumper wires, and a dustbin made from a transparent plastic container … Read more

Automatic Fire Extinguisher Project Without Arduino

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The Automatic Fire Extinguisher Project Without Arduino is a simple and practical science exhibition model that demonstrates how a fire can be detected automatically and how water can be sprayed immediately to control it. The project uses basic electronic components such as a flame sensor, relay module, DC water pump, water container, transparent pipe, and … Read more

Automatic Water Dispenser Without Using Arduino

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The Automatic Water Dispenser Without Using Arduino is a simple, useful, and low-cost science exhibition project. It automatically detects a person’s hand and dispenses water without requiring the user to touch a switch, tap, or button. The model shown uses an IR sensor, relay module, DC water pump, battery, water container, and transparent pipe. This … Read more

Renewable Energy Working Model – Solar + Wind Energy

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The Renewable Energy Working Model shown in the image is an attractive and educational science exhibition project that demonstrates how solar energy and wind energy can be used to generate electricity. The model represents a small sustainable community containing a solar-powered house, solar panels, a wind turbine, gardens, pathways, and solar-powered street lights. The main … Read more