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Showing posts from December, 2025

KIKIBOT Robo Car ESP32 Project

 How To Make "KikiBot" Robot Car Commands:- forward backward left right smile cry ESP32 Code:- #include <BluetoothSerial.h> #include <Adafruit_GFX.h> #include <Adafruit_SSD1306.h> BluetoothSerial SerialBT; #define SCREEN_WIDTH 128 #define SCREEN_HEIGHT 64 Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1); // Motor Pins #define IN1 27 #define IN2 26 #define IN3 25 #define IN4 33 // Ultrasonic #define trigPin 5 #define echoPin 18 // Mic #define micPin 34 String command; // ---------- MOTOR FUNCTIONS ---------- void forward() {   digitalWrite(IN1,HIGH); digitalWrite(IN2,LOW);   digitalWrite(IN3,HIGH); digitalWrite(IN4,LOW); } void backward() {   digitalWrite(IN1,LOW); digitalWrite(IN2,HIGH);   digitalWrite(IN3,LOW); digitalWrite(IN4,HIGH); } void left() {   digitalWrite(IN1,LOW); digitalWrite(IN2,HIGH);   digitalWrite(IN3,HIGH); digitalWrite(IN4,LOW); } void right() {   digitalWrite(IN1,HIGH); digitalWrite(IN2,LOW...

SMART IRRIGATION FOR FLYOVER

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 Smart Irrigation For Flyover  Circuit Diagram : COMPONENTS REQUIRED: 1. Soil Moisture Sensor  2.  Relay Module  3. DC Water Pump Motor  4. IC 7805  5. 9v Battery  6. Switch  Connections: Soil Sensor            Breadboard           Relay Module  VCC                               +                                   VCC    GND                              -                                    GND  IN                                        ...