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ble_iaq_data_gui.py
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# Ek olarak, 'pyqtgraph' kütüphanesini yüklemeyi unutmayın:
# pip install pyqtgraph
import sys
import asyncio
from PyQt5.QtWidgets import QApplication, QMainWindow, QLabel, QVBoxLayout, QLCDNumber, QWidget, QPushButton
from PyQt5.QtGui import QFont, QIcon
from PyQt5.QtCore import QThread, pyqtSignal, QTimer
from bleak import BleakClient
import struct
import datetime
import pyqtgraph as pg
# Replace with your Arduino's BLE MAC address
DEVICE_MAC_ADDRESS = "F4:12:FA:9F:CE:59"
class BleakReader(QThread):
data_ready = pyqtSignal(float, float, float, float, float)
def run(self):
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
async def read_ble_data():
async with BleakClient(DEVICE_MAC_ADDRESS) as client:
while True:
services = client.services
temp = pressure = altitude = humidity = mq135 = 0
for service in services:
for characteristic in service.characteristics:
uuid = str(characteristic.uuid)
if uuid == "19b10002-e8f2-537e-4f6c-d104768a1214": # Temperature UUID
temp_data = await client.read_gatt_char(uuid)
temp = struct.unpack('<f', temp_data)[0]
elif uuid == "19b10003-e8f2-537e-4f6c-d104768a1214": # Pressure UUID
pressure_data = await client.read_gatt_char(uuid)
pressure = struct.unpack('<f', pressure_data)[0]
elif uuid == "19b10004-e8f2-537e-4f6c-d104768a1214": # Altitude UUID
altitude_data = await client.read_gatt_char(uuid)
altitude = struct.unpack('<f', altitude_data)[0]
elif uuid == "19b10005-e8f2-537e-4f6c-d104768a1214": # Humidity UUID
humidity_data = await client.read_gatt_char(uuid)
humidity = struct.unpack('<f', humidity_data)[0]
elif uuid == "19b10006-e8f2-537e-4f6c-d104768a1214": # MQ135 UUID
mq135_data = await client.read_gatt_char(uuid)
mq135 = struct.unpack('<I', mq135_data)[0]
self.data_ready.emit(temp, pressure, altitude, humidity, mq135)
await asyncio.sleep(1)
loop.run_until_complete(read_ble_data())
class AirQualityMonitor(QMainWindow):
def __init__(self):
super().__init__()
self.start_time = datetime.datetime.now() # Store the start time when the program begins
# Set window title
self.setWindowTitle("Air Quality Monitor")
# Set window icon
self.setWindowIcon(QIcon('images/air-quality-monitor.png'))
# Initialize BLE Reader
self.ble_reader = BleakReader()
self.ble_reader.data_ready.connect(self.update_labels)
self.ble_reader.start()
# Setup UI
self.setup_ui()
# Read data at regular intervals using a timer
self.timer = QTimer(self)
self.timer.start(1000) # Read data every 1000 milliseconds (1 second)
# Update the clock every second
self.clock_timer = QTimer(self)
self.clock_timer.timeout.connect(self.update_clock)
self.clock_timer.start(1000)
def setup_ui(self):
# Add QLCDNumber for clock
self.lcd = QLCDNumber(self)
self.lcd.setSegmentStyle(QLCDNumber.Flat)
self.lcd.setDigitCount(8)
self.lcd.display(datetime.datetime.now().strftime("%H:%M:%S"))
# Labels for sensor data
self.sensor_label = QLabel("MQ135 Value: ")
self.air_quality_label = QLabel("Air Quality: ")
self.humidity_label = QLabel("Humidity: ")
self.temperature_label = QLabel("Temperature: ")
self.altitude_label = QLabel("Altitude: ")
self.pressure_label = QLabel("Pressure: ")
# Layout
layout = QVBoxLayout()
layout.addWidget(self.lcd)
layout.addWidget(self.sensor_label)
layout.addWidget(self.air_quality_label)
layout.addWidget(self.humidity_label)
layout.addWidget(self.temperature_label)
layout.addWidget(self.altitude_label)
layout.addWidget(self.pressure_label)
central_widget = QWidget()
central_widget.setLayout(layout)
self.setCentralWidget(central_widget)
# Set font size
font = QFont()
font.setPointSize(11)
self.sensor_label.setFont(font)
self.air_quality_label.setFont(font)
self.humidity_label.setFont(font)
self.temperature_label.setFont(font)
self.altitude_label.setFont(font)
self.pressure_label.setFont(font)
# Initialize graphs
self.graphWidget_temp = pg.PlotWidget()
self.graphWidget_temp.setBackground('w')
self.graphWidget_temp.setTitle("Temperature Over Time")
self.graphWidget_temp.setLabel('left', 'Temperature', units='°C')
self.graphWidget_temp.setLabel('bottom', 'Time', units='')
self.graphWidget_temp.showGrid(x=True, y=True)
layout.addWidget(self.graphWidget_temp)
self.graphWidget_humidity = pg.PlotWidget()
self.graphWidget_humidity.setBackground('w')
self.graphWidget_humidity.setTitle("Humidity Over Time")
self.graphWidget_humidity.setLabel('left', 'Humidity', units='%')
self.graphWidget_humidity.setLabel('bottom', 'Time', units='')
self.graphWidget_humidity.showGrid(x=True, y=True)
layout.addWidget(self.graphWidget_humidity)
self.graphWidget_pressure = pg.PlotWidget()
self.graphWidget_pressure.setBackground('w')
self.graphWidget_pressure.setTitle("Pressure Over Time")
self.graphWidget_pressure.setLabel('left', 'Pressure', units='hPa')
self.graphWidget_pressure.setLabel('bottom', 'Time', units='')
self.graphWidget_pressure.showGrid(x=True, y=True)
layout.addWidget(self.graphWidget_pressure)
self.graphWidget_altitude = pg.PlotWidget()
self.graphWidget_altitude.setBackground('w')
self.graphWidget_altitude.setTitle("Altitude Over Time")
self.graphWidget_altitude.setLabel('left', 'Altitude', units='m')
self.graphWidget_altitude.setLabel('bottom', 'Time', units='')
self.graphWidget_altitude.showGrid(x=True, y=True)
layout.addWidget(self.graphWidget_altitude)
self.graphWidget_mq135 = pg.PlotWidget()
self.graphWidget_mq135.setBackground('w')
self.graphWidget_mq135.setTitle("MQ135 Values Over Time")
self.graphWidget_mq135.setLabel('left', 'MQ135 Value', units='')
self.graphWidget_mq135.setLabel('bottom', 'Time', units='')
self.graphWidget_mq135.showGrid(x=True, y=True)
layout.addWidget(self.graphWidget_mq135)
# Set different pen colors for each graph
self.pen_temp = pg.mkPen(color=(255, 0, 0), width=2)
self.pen_humidity = pg.mkPen(color=(0, 0, 255), width=2)
self.pen_pressure = pg.mkPen(color=(0, 255, 0), width=2)
self.pen_altitude = pg.mkPen(color=(255, 0, 255), width=2)
self.pen_mq135 = pg.mkPen(color=(255, 165, 0), width=2)
self.graph_data_x_temp = []
self.graph_data_y_temp = []
self.graph_data_x_humidity = []
self.graph_data_y_humidity = []
self.graph_data_x_pressure = []
self.graph_data_y_pressure = []
self.graph_data_x_altitude = []
self.graph_data_y_altitude = []
self.graph_data_x_mq135 = []
self.graph_data_y_mq135 = []
def update_labels(self, temp, pressure, altitude, humidity, mq135):
self.temperature_label.setText(f"Temperature: {temp:.2f} °C")
self.air_quality_label.setText("Air Quality: Good" if mq135 < 200 else "Air Quality: Moderate"
if 200 <= mq135 < 400 else "Air Quality: Poor")
self.humidity_label.setText(f"Humidity: {humidity:.2f} %")
self.sensor_label.setText(f"MQ135 Value: {mq135}")
self.altitude_label.setText(f"Altitude: {altitude:.2f} meters")
self.pressure_label.setText(f"Pressure: {pressure:.3f} hPa")
timestamp = datetime.datetime.now()
elapsed_time = timestamp - self.start_time # Calculate elapsed time from the start
elapsed_seconds = elapsed_time.total_seconds() # Convert elapsed time to seconds
# Append elapsed time to x-axis data
self.graph_data_x_temp.append(elapsed_seconds)
self.graph_data_y_temp.append(temp)
self.graph_data_x_humidity.append(elapsed_seconds)
self.graph_data_y_humidity.append(humidity)
self.graph_data_x_pressure.append(elapsed_seconds)
self.graph_data_y_pressure.append(pressure)
self.graph_data_x_altitude.append(elapsed_seconds)
self.graph_data_y_altitude.append(altitude)
self.graph_data_x_mq135.append(elapsed_seconds)
self.graph_data_y_mq135.append(mq135)
# Plot data for each sensor
self.graphWidget_temp.plot(self.graph_data_x_temp, self.graph_data_y_temp, pen=self.pen_temp, clear=True)
self.graphWidget_humidity.plot(self.graph_data_x_humidity, self.graph_data_y_humidity, pen=self.pen_humidity, clear=True)
self.graphWidget_pressure.plot(self.graph_data_x_pressure, self.graph_data_y_pressure, pen=self.pen_pressure, clear=True)
self.graphWidget_altitude.plot(self.graph_data_x_altitude, self.graph_data_y_altitude, pen=self.pen_altitude, clear=True)
self.graphWidget_mq135.plot(self.graph_data_x_mq135, self.graph_data_y_mq135, pen=self.pen_mq135, clear=True)
def update_clock(self):
# Update the clock display
self.lcd.display(datetime.datetime.now().strftime("%H:%M:%S"))
def main():
app = QApplication(sys.argv)
window = AirQualityMonitor()
window.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()