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Showing posts from November, 2023

Dual Axis Mini CCTV Camera using ESP32 Cam | IOT Based Science Project / Harish Projects

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  Purchase Course Video👇 https://harishprojects.graphy.com/ Watch full Detailed Video👇 Project Code👇 #include "esp_camera.h" #include <Arduino.h> #include <WiFi.h> #include <AsyncTCP.h> #include <ESPAsyncWebServer.h> #include <iostream> #include <sstream> #include <ESP32Servo.h> #define PAN_PIN 14 #define TILT_PIN 15 Servo panServo; Servo tiltServo; struct MOTOR_PINS {   int pinEn;     int pinIN1;   int pinIN2;     } ; std::vector<MOTOR_PINS> motorPins = {   { 2 , 12 , 13 } , //RIGHT_MOTOR Pins (EnA, IN1, IN2)   { 2 , 1 , 3 } ,  //LEFT_MOTOR  Pins (EnB, IN3, IN4) } ; #define LIGHT_PIN 4 #define UP 1 #define DOWN 2 #define LEFT 3 #define RIGHT 4 #define STOP 0 #define RIGHT_MOTOR 0 #define LEFT_MOTOR 1 #define FORWARD 1 #define BACKWARD - 1 const int PWMFreq = 1000 ; /* 1 KHz */ const int PWMResolution = 8 ; const int PWMSpeedChannel = 2 ;...
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Amazing Best science Project / Water flow & value Monitoring / Water Flow Sensor / Best science Project / School & college level

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.....Project Diagram..... //....Arduino Code.... /* YF‐ S201 Water Flow Sensor Water Flow Sensor output processed to read in litres/hour Adaptation Courtesy: */ volatile int flow_frequency; // Measures flow sensor pulses // Calculated litres/hour   float vol = 0.0 ,l_minute; unsigned char flowsensor = 2 ; // Sensor Input unsigned long currentTime; unsigned long cloopTime; #include <LiquidCrystal.h> LiquidCrystal lcd ( 12 , 11 , 5 , 4 , 3 , 9 ) ; void flow () // Interrupt function {    flow_frequency++; } void setup () {     pinMode ( flowsensor, INPUT ) ;     digitalWrite ( flowsensor, HIGH ) ; // Optional Internal Pull-Up     Serial . begin ( 9600 ) ;     lcd . begin ( 16 , 2 ) ;     attachInterrupt ( digitalPinToInterrupt ( flowsensor ) , flow, RISING ) ; // Setup Interrupt     lcd . clear () ;     lcd . setCursor ( 0 , 0 ) ;     lcd . print ( "Petrol Flow Meter" ) ; ...
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