IOT DHT11 sensor status<title> <meta charset="UTF-8"> </head> <body> <h1>IOT DHT11 Sensor Status</h1> Temp_C = --C Temp_F = --F humidity = --% LED = UIT FAN = UIT <script> setInterval(() => { fetch('/data') .then(res => res.json()) .then(data => { document.getElementById('tempc').textContent = data.tempc.toFixed(1); document.getElementById('tempf').textContent = data.tempf.toFixed(1); document.getElementById('humidity').textContent = data.humid.toFixed(1); document.getElementById('led').textContent = data.led ? 'AAN' : 'UIT'; document.getElementById('fan').textContent = data.fan ? 'AAN' : 'UIT'; }); }, 1000); </script> </body> </html> """ self.wfile.write(website.encode()) elif self.path == '/data': self.send_response(200) self.send_header('Content-type', 'application/json') self.end_headers() self.wfile.write(json.dumps(sensor_data).encode()) def web_server(): web_binding = ('', 8000) server = http.server.HTTPServer(web_binding, handler_class) print ("server draait op port 8000") server.serve_forever() if __name__ == '__main__': threading.Thread(target=web_server, daemon=True).start() threading.Thread(target=check_data, daemon=True).start() while True: time.sleep(1)

import time import adafruit_dht import board import RPi.GPIO as GPIO import http.server import threading import json sensor = adafruit_dht.DHT11(board.D6) LED_PIN = 21 FAN_PIN = 22 GPIO.setmode(GPIO.BCM) GPIO.setup(LED_PIN, GPIO.OUT) GPIO.setup(FAN_PIN, GPIO.OUT) sensor_data = { 'tempc': 0.0, 'tempf': 0.0, 'humidity': 0.0, 'led': False, 'fan': False } def check_data(): while True: try: temperatuur_C = sensor.temperature temperatuur_F = temperatuur_C * (9/5) + 32 humidity = sensor.humidity sensor_data['tempc'] = temperatuur_C sensor_data['tempf'] = temperatuur_F sensor_data['humidity'] = humidity except RuntimeError as err: print(err.args[0]) if temperatuur_C > 20: GPIO.output(LED_PIN, GPIO.HIGH) GPIO.output(FAN_PIN, GPIO.HIGH) sensor_data['led'] = True sensor_data['fan'] = True else: GPIO.output(LED_PIN, GPIO.LOW) GPIO.output(FAN_PIN, GPIO.LOW) sensor_data['led'] = False sensor_data['fan'] = False class handler_class(http.server.BaseHTTPRequestHandler): def do_GET (self): if self.path == '/': self.send_response(200) self.send_header('Content-type', 'text/html; charset=utf-8') self.end_headers() website = """ IOT DHT11 sensor status<title> <meta charset="UTF-8"> </head> <body> <h1>IOT DHT11 Sensor Status</h1> Temp_C = --C Temp_F = --F humidity = --% LED = UIT FAN = UIT <script> setInterval(() => { fetch('/data') .then(res => res.json()) .then(data => { document.getElementById('tempc').textContent = data.tempc.toFixed(1); document.getElementById('tempf').textContent = data.tempf.toFixed(1); document.getElementById('humidity').textContent = data.humid.toFixed(1); document.getElementById('led').textContent = data.led ? 'AAN' : 'UIT'; document.getElementById('fan').textContent = data.fan ? 'AAN' : 'UIT'; }); }, 1000); </script> </body> </html> """ self.wfile.write(website.encode()) elif self.path == '/data': self.send_response(200) self.send_header('Content-type', 'application/json') self.end_headers() self.wfile.write(json.dumps(sensor_data).encode()) def web_server(): web_binding = ('', 8000) server = http.server.HTTPServer(web_binding, handler_class) print ("server draait op port 8000") server.serve_forever() if __name__ == '__main__': threading.Thread(target=web_server, daemon=True).start() threading.Thread(target=check_data, daemon=True).start() while True: time.sleep(1)