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- Project: Arduino Timer
- Source Code compiled for: Arduino Uno
- Source Code created on: 2023-12-29 07:58:28
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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
/* Led turns on and off at intervals of 5 seconds */
/****** END SYSTEM REQUIREMENTS *****/
/****** DEFINITION OF LIBRARIES *****/
#include
/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
/* Led turns on and off at intervals of 5 seconds */
/****** END SYSTEM REQUIREMENTS *****/
/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t myled_LED_PIN_D2 = 2;
// Variable to store the current LED state
bool ledState = LOW;
// Variable to store the previous time LED state was updated
unsigned long previousTime = 0;
// Interval between LED state changes (in milliseconds)
const unsigned long interval = 5000;
void setup(void)
{
// put your setup code here, to run once:
pinMode(myled_LED_PIN_D2, OUTPUT);
}
void loop(void)
{
// put your main code here, to run repeatedly:
unsigned long currentTime = millis(); // Get the current time
// Check if the interval has elapsed
if (currentTime - previousTime >= interval)
{
// Update the LED state
if (ledState == LOW)
{
ledState = HIGH;
}
else
{
ledState = LOW;
}
// Update the LED
digitalWrite(myled_LED_PIN_D2, ledState);
// Update the previous time
previousTime = currentTime;
}
}