EdITSWORLD

#include "stm32f4xx_hal.h"
#include "stdio.h"

#define LIS3DH_ADDRESS 0x18 // I2C address of LIS3DH accelerometer

I2C_HandleTypeDef hi2c1; // I2C interface handle
UART_HandleTypeDef huart2; // UART interface handle

void SystemClock_Config(void);
void print_acceleration(float ax, float ay, float az);

EdITSWORLD

#include "stm32f10x.h" // Include the STM32F10x header file

int main(void)
{
    // Enable clock for GPIO port C
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
    
    // Initialize GPIO pins for LED outputs
    GPIO_InitTypeDef GPIO_InitStructure;
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;

EdITSWORLD

const int PROXIMITY_SENSOR_PIN = 2; // digital pin for proximity sensor input
const int LED_PIN = 13; // digital pin for LED output
int sensorValue = 0; // variable to store sensor value
void setup() {
pinMode(PROXIMITY_SENSOR_PIN, INPUT); // set the proximity sensor pin as input
pinMode(LED_PIN, OUTPUT); // set the LED pin as output
Serial.begin(9600); // initialize serial communication at 9600 baud rate
}
void loop() {
sensorValue = digitalRead(PROXIMITY_SENSOR_PIN); // read digital sensor value

EdITSWORLD

const int LDR_PIN = A0; // analog pin for LDR input
int LDR_value = 0; // variable to store LDR value

void setup() {
  Serial.begin(9600); // initialize serial communication at 9600 baud rate
}

void loop() {
  LDR_value = analogRead(LDR_PIN); // read LDR value
  Serial.print("LDR Value: "); // print LDR value to serial monitor

EdITSWORLD

void setup() {

  // set all digital pins from 2 to 9 as outputs

  for (int i = 2; i <= 9; i++) {

    pinMode(i, OUTPUT);

  }

EdITSWORLD

void setup() {
  pinMode(13, OUTPUT);  // set digital pin 13 as output
}
void loop() 
{
  digitalWrite(13, HIGH);  // turn on the LED
  delay(1000);             // wait for 1 second
  digitalWrite(13, LOW);   // turn off the LED
  delay(1000);             // wait for 1 second
}

EdITSWORLD

void setup() {
  pinMode(2, OUTPUT); // set red LED pin as output
  pinMode(3, OUTPUT); // set yellow LED pin as output
  pinMode(4, OUTPUT); // set green LED pin as output
}

void loop() {
  digitalWrite(2, HIGH); // turn on red LED
  delay(5000); // wait for 5 seconds

EdITSWORLD

int sensorValue = 0;
void setup()
{
  pinMode(A0, INPUT);
  pinMode(13, OUTPUT);
  Serial.begin(9600);
}
void loop()
{
  // read the value from the sensor

EdITSWORLD

#include<LiquidCrystal.h>
#define RS 9
#define E 8
#define D4 4
#define D5 5
#define D6 6
#define D7 7
#define MENU 3
#define FIRST 1
#define SECOND 2

EdITSWORLD

int LDR_Value = 0;
int LDR_Value1=0;

void setup()
{
  pinMode(A1, INPUT);
  pinMode(13, OUTPUT);
  Serial.begin(9600);
}