Arduino board programming

Arduino board programming
It involves writing and uploading "sketches" (programs) to an Arduino microcontroller using the Arduino Integrated Development Environment (IDE).
1. Setting up the Arduino IDE:
Download and install the Arduino IDE from the official Arduino website.
Connect your Arduino board to your computer via a USB cable. 
In the Arduino IDE, select your specific Arduino board from the "Tools > Board" menu.
Select the correct serial port for your Arduino board from the "Tools > Port" menu.
2. Writing the Sketch:
Arduino sketches are based on C++ and utilize a specific structure.
Every sketch must contain two fundamental functions:
void setup(): This function runs only once when the program starts or the board is reset. It's used for initialization tasks like setting pin modes (input/output) or starting serial communication.
void loop(): This function runs repeatedly after setup() completes. It contains the main logic of your program, such as reading sensor data, controlling output devices, or performing calculations.
Arduino provides specific functions and libraries for interacting with the hardware, such as pinMode(), digitalWrite(), digitalRead(), analogRead(), Serial.begin(), Serial.print(), etc.
3. Compiling and Uploading:
After writing your code, click the "Verify" button (checkmark icon) in the IDE to check for syntax errors.
Once verified, click the "Upload" button (right arrow icon) to compile the code into machine-readable instructions and transfer it to the Arduino board's microcontroller.
During the upload process, the RX and TX LEDs on the board will typically flash, indicating data transfer.
Upon successful upload, the program will immediately begin executing on the Arduino board.
Example (Blink Sketch):
The classic "Blink" sketch demonstrates basic programming:
C++

void setup() {
  pinMode(LED_BUILTIN, OUTPUT); // Set the built-in LED pin as an output
}

void loop() {
  digitalWrite(LED_BUILTIN, HIGH); // Turn the LED on
  delay(1000); // Wait for 1 second
  digitalWrite(LED_BUILTIN, LOW); // Turn the LED off
  delay(1000); // Wait for 1 second
}



Compiled by 
Ms Naresh kuwar 

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