Panel PC Complete Guide

import RPi.GPIO as GPIO
import time

# Setup GPIO
GPIO.setmode(GPIO.BCM)
GPIO.setup(18, GPIO.OUT)  # LED output
GPIO.setup(24, GPIO.IN)   # Button input

try:
    while True:
        # Read button state
        button_state = GPIO.input(24)
        
        if button_state == GPIO.HIGH:
            GPIO.output(18, GPIO.HIGH)  # Turn on LED
            print("Button pressed - LED ON")
        else:
            GPIO.output(18, GPIO.LOW)   # Turn off LED
            
        time.sleep(0.1)  # Debounce delay
        
except KeyboardInterrupt:
    print("Exiting...")
    GPIO.cleanup()

// Panel PC HMI Control System
#include <iostream>
#include <string>
using namespace std;

class PanelPC {
private:
    bool isRunning;
    double temperature;
    
public:
    PanelPC() : isRunning(false), temperature(25.0) {}
    
    void startSystem() {
        isRunning = true;
        cout << "Panel PC System Started" << endl;
        initializeDisplay();
    }
    
    void updateSensor(double temp) {
        temperature = temp;
        if(temp > 70.0) {
            triggerAlarm("High Temperature");
        }
    }
    
    void displayStatus() {
        cout << "System: " << (isRunning ? "RUNNING" : "STOPPED") << endl;
        cout << "Temperature: " << temperature << "°C" << endl;
    }
};

<!-- Panel PC Touch Interface -->
<div class="control-panel">
    <h2>Industrial Control System</h2>
    
    <div class="status-display">
        <div id="temperature">Temp: 25°C</div>
        <div id="pressure">Pressure: 1.2 bar</div>
    </div>
    
    <button id="startBtn" onclick="startSystem()">
        Start System
    </button>
</div>

<script>
// WebSocket connection for real-time data
const ws = new WebSocket('ws://panelpc.local:8080');

ws.onmessage = function(event) {
    const data = JSON.parse(event.data);
    updateDisplay(data);
};

function startSystem() {
    ws.send(JSON.stringify({
        'command': 'start',
        'timestamp': new Date().toISOString()
    }));
}
</script>

// Industrial Panel PC Arduino Integration
#include <Ethernet.h>
#include <SPI.h>

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(192, 168, 1, 100);

const int sensorPin = A0;
const int relayPin = 7;

EthernetServer server(80);

void setup() {
    pinMode(relayPin, OUTPUT);
    digitalWrite(relayPin, LOW);
    
    Ethernet.begin(mac, ip);
    server.begin();
    
    Serial.begin(9600);
    Serial.print("Server IP: ");
    Serial.println(Ethernet.localIP());
}

void loop() {
    EthernetClient client = server.available();
    
    if (client) {
        String request = readRequest(client);
        
        // Process HTTP requests from Panel PC
        if (request.indexOf("GET /status") != -1) {
            sendStatus(client);
        }
        else if (request.indexOf("GET /control/on") != -1) {
            digitalWrite(relayPin, HIGH);
            sendResponse(client, "Relay ON");
        }
        
        client.stop();
    }
    
    delay(10);
}