import RPi.GPIO as GPIO import os from time import sleep from http.server import BaseHTTPRequestHandler, HTTPServer host_name = '192.168.0.114' # Change this to your Raspberry Pi IP address host_port = 8000 class MyServer(BaseHTTPRequestHandler): """ A special implementation of BaseHTTPRequestHander for reading data from and control GPIO of a Raspberry Pi """ def do_HEAD(self): """ do_HEAD() can be tested use curl command 'curl -I http://server-ip-address:port' """ self.send_response(200) self.send_header('Content-type', 'text/html') self.end_headers() def _redirect(self, path): self.send_response(303) self.send_header('Content-type', 'text/html') self.send_header('Location', path) self.end_headers() def do_GET(self): """ do_GET() can be tested using curl command 'curl http://server-ip-address:port' """ html = '''

Welcome to my Raspberry Pi

Current GPU temperature is {}

''' temp = os.popen("/opt/vc/bin/vcgencmd measure_temp").read() self.do_HEAD() self.wfile.write(html.format(temp[5:]).encode("utf-8")) def do_POST(self): """ do_POST() can be tested using curl command 'curl -d "submit=On" http://server-ip-address:port' """ content_length = int(self.headers['Content-Length']) post_data = self.rfile.read(content_length).decode("utf-8") post_data = post_data.split("=")[1] # GPIO setup GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) GPIO.setup(18, GPIO.OUT) if post_data == 'On': GPIO.output(18, GPIO.HIGH) else: GPIO.output(18, GPIO.LOW) print("LED is {}".format(post_data)) self._redirect('/') if __name__ == '__main__': http_server = HTTPServer((host_name, host_port), MyServer) print("Server Starts - %s:%s" % (host_name, host_port)) try: http_server.serve_forever() except KeyboardInterrupt: http_server.server_close()

RPi web gpio control