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#include DFRobotDFPlayerMini.h
#include SoftwareSerial.h
// Define the pin connected to the limit switch
const int limitSwitchPin = 14;
int switchState = 0; // Variable to store the switch state
int lastSwitchState = 1; // Assume Initially the door is closed
// Initialize the software serial connection to the DFPlayer
SoftwareSerial mySoftwareSerial(26, 27); // RX, TX
DFRobotDFPlayerMini myDFPlayer;
void setup() {
    // Initialize the limit switch pin as an input with internal pull-up resistor
    pinMode(limitSwitchPin, INPUT_PULLUP);
    // Start serial communication for debugging
    Serial.begin(115200);
    // Start software serial communication with the DFPlayer
    mySoftwareSerial.begin(9600);
    // Check if the DFPlayer mini module is connected properly
    if (!myDFPlayer.begin(mySoftwareSerial)) {
        Serial.println("DFPlayer Mini not detected.");
        while (true); // Halt execution if DFPlayer Mini not detected
    }
    // Set volume
    myDFPlayer.volume(30); // Volume level between 0 to 30

Line: 5:7: Variable 'int' implicitly has an 'any' type, but a better type may be inferred from usage.Line: 1:10: Cannot find name 'DFRobotDFPlayerMini'.Line: 2:10: Cannot find name 'SoftwareSerial'.Line: 6:5: Cannot find name 'switchState'.Line: 7:5: Cannot find name 'lastSwitchState'.Line: 10:1: Cannot find name 'SoftwareSerial'.Line: 10:16: Cannot find name 'mySoftwareSerial'.Line: 11:1: Cannot find name 'DFRobotDFPlayerMini'.Line: 11:21: Cannot find name 'myDFPlayer'.Line: 13:6: Cannot find name 'setup'.Line: 15:5: Cannot find name 'pinMode'.Line: 15:29: Cannot find name 'INPUT_PULLUP'.Line: 18:5: Cannot find name 'Serial'.Line: 21:5: Cannot find name 'mySoftwareSerial'.Line: 24:10: Cannot find name 'myDFPlayer'.Line: 24:27: Cannot find name 'mySoftwareSerial'.Line: 25:9: Cannot find name 'Serial'.Line: 30:5: Cannot find name 'myDFPlayer'.Line: 33:6: Cannot find name 'loop'.Line: 35:5: Cannot find name 'switchState'.Line: 35:19: Cannot find name 'digitalRead'.Line: 38:9: Cannot find name 'switchState'.Line: 38:24: Cannot find name 'lastSwitchState'.Line: 39:13: Cannot find name 'switchState'.Line: 39:28: Cannot find name 'LOW'.Line: 41:13: Cannot find name 'Serial'.Line: 42:13: Cannot find name 'myDFPlayer'.Line: 43:13: Cannot find name 'myDFPlayer'.Line: 46:13: Cannot find name 'Serial'.Line: 47:13: Cannot find name 'myDFPlayer'.Line: 48:13: Cannot find name 'myDFPlayer'.Line: 51:9: Cannot find name 'lastSwitchState'.Line: 51:27: Cannot find name 'switchState'.Line: 55:5: Cannot find name 'delay'.Line: 1:10: ';' expected.Line: 2:10: ';' expected.Line: 5:11: ',' expected.Line: 6:1: Unexpected keyword or identifier.Line: 7:1: Unexpected keyword or identifier.Line: 10:1: Unexpected keyword or identifier.Line: 11:1: Unexpected keyword or identifier.Line: 13:14: ';' expected.Line: 33:13: ';' expected.

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