Accelerometer Transmission rev_01

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    - Project: Accelerometer Transmission
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2025-11-21 04:36:50

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* The sensor is an ADXL335 which will send its */
    /* information via the Bluetooth of the ESP32, which */
    /* will then pass the data read by LabVIEW. */
/****** END SYSTEM REQUIREMENTS *****/


/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <BluetoothSerial.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

// Create a BluetoothSerial object
BluetoothSerial SerialBT;

// Variables to hold accelerometer data
int xAxis = 0;
int yAxis = 0;
int zAxis = 0;

// Pin definitions for ADXL335 (assuming Analog pins A0, A1, A2)
const int xPin = 32; // GPIO32
const int yPin = 33; // GPIO33
const int zPin = 34; // GPIO34

// Function to initialize Bluetooth
void initBluetooth() {
  SerialBT.begin("ESP32_ACCEL") ; // Name of the Bluetooth device
  Serial.println("Bluetooth initialized. Device is ready to pair.");
}

// Function to read sensor data
void readSensorData() {
  xAxis = analogRead(xPin);
  yAxis = analogRead(yPin);
  zAxis = analogRead(zPin);
}

// Function to send data over Bluetooth
void sendData() {
  String data = "X:" + String(xAxis) + ",Y:" + String(yAxis) + ",Z:" + String(zAxis);
  SerialBT.println(data);
}

void setup(void)
{
  Serial.begin(115200); // Initialize serial communication
  // Initialize sensor pins
  pinMode(xPin, INPUT);
  pinMode(yPin, INPUT);
  pinMode(zPin, INPUT);
  initBluetooth(); // Initialize Bluetooth
}

void loop(void)
{
  readSensorData(); // Read accelerometer data
  sendData(); // Send data via Bluetooth
  delay(100); // Delay for stability
}

/* END CODE */