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@@maryJones-d8k thank you for comments you can open serial monitor to Arduino IDE and when you If you bring the RFID tag near the module, a UDI number will be generated. You will get the pass code by filling in the program code..

@@hennakhan6573 thankyou dear

@@bunny6699 here's the code #include <Servo.h> #include <LiquidCrystal.h> // Pin definitions const int leftButtonPin = 2; // Left button connected to pin 2 const int rightButtonPin = 3; // Right button connected to pin 3 const int servoPin = 6 ; // Servo motor connected to pin 9 const int rs = 7, en = 8, d4 = 9, d5 = 10, d6 = 11, d7 = 12; // LCD pin connections Servo myServo; // Create a servo object LiquidCrystal lcd(rs, en, d4, d5, d6, d7); // Create an LCD object void setup() { pinMode(leftButtonPin, INPUT_PULLUP); // Set left button pin as input with internal pull-up resistor pinMode(rightButtonPin, INPUT_PULLUP); // Set right button pin as input with internal pull-up resistor myServo.attach(servoPin); // Attach the servo to the pin lcd.begin(16, 2); // Initialize the LCD with 16 columns and 2 rows lcd.print("Servo Control"); // Display initial message myServo.write(90); // Set servo to neutral position } void loop() { if (digitalRead(leftButtonPin) == LOW) { // Check if the left button is pressed lcd.clear(); lcd.print("Left"); myServo.write(0); // Rotate servo to the left position delay(500); // Delay to allow servo to move } if (digitalRead(rightButtonPin) == LOW) { // Check if the right button is pressed lcd.clear(); lcd.print("Right"); myServo.write(180); // Rotate servo to the right position delay(500); // Delay to allow servo to move } }

@@avedmohammad2348 i need circuit diagram too...

@@SakinaBaziani ya sure #include <LiquidCrystal.h> // Initialize the LCD with the interface pins LiquidCrystal lcd(12, 11, 5, 4, 3, 2); const int sensorPin = A0; // Analog pin connected to the sensor's AO pin void setup() { // Set up the LCD's number of columns and rows: lcd.begin(16, 2); // Print initial message lcd.print("Soil Moisture:"); // Initialize serial communication (optional, for debugging) Serial.begin(9600); } void loop() { int sensorValue = analogRead(sensorPin); // Read the sensor value int moisturePercent = map(sensorValue, 1023, 0, 0, 100); // Map the value to a percentage // Clear the second row and print the moisture level lcd.setCursor(0, 1); // Move cursor to the second row lcd.print("Moisture: "); lcd.print(moisturePercent); lcd.print("% "); // Print the percentage symbol and spaces to clear previous characters // Optional: Print to serial monitor for debugging Serial.print("Soil Moisture: "); Serial.print(moisturePercent); Serial.println("%"); delay(1000); // Update every second }

@@SakinaBaziani this is the code

@@markoysterj3576 sry for let reply

@@markoysterj3576 #include <Wire.h> #include <LiquidCrystal_I2C.h> // Initialize the library with the I2C address, 16 columns, and 2 rows LiquidCrystal_I2C lcd(0x27, 16, 2); const int pulsePin = A0; // Pulse Sensor connected to A0 int pulseValue = 0; // Variable to store the pulse sensor value int bpm = 0; // Variable to store Beats Per Minute (BPM) int threshold = 550; // Adjust this value based on your sensor's sensitivity void setup() { lcd.init(); // Initialize the LCD (use init() instead of begin()) lcd.backlight(); // Turn on the LCD backlight lcd.setCursor(0, 0); lcd.print("Heart Rate:"); Serial.begin(9600); // Initialize Serial for debugging } void loop() { pulseValue = analogRead(pulsePin); // Read the pulse sensor value if (pulseValue > threshold) { bpm = calculateBPM(); // Function to calculate the heart rate lcd.setCursor(0, 1); lcd.print("BPM: "); lcd.print(bpm); lcd.print(" "); // To clear any extra characters delay(1000); // 1-second delay between readings } else { lcd.setCursor(0, 1); lcd.print("BPM: ---"); } Serial.println(pulseValue); // Debugging: print the pulse sensor value } int calculateBPM() { // Implement your BPM calculation algorithm here. // For simplicity, let's assume this is just a placeholder returning a dummy value. return random(60, 100); // Replace with real BPM calculation }

@@markoysterj3576 this is the code

@@avedmohammad2348 😘😘😘😘

@@zavedmohammad5636 thank you bro 🙏

@@PradipKumar-xr4kv बहुत-बहुत धन्यवाद और चार्जर रिपेयर किया है।

@@hennakhan6573 thankyou 😊

@@hennakhan6573 thankyou 😊

@@IntroSigma I think no but you can make wireless charger.wireless glow lamp

@@IntroSigma thankyou

@@hennakhan6573 thankyou

@@SonamSiddiqui-by8ph thanks 🙏