Created
June 24, 2022 18:27
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| #Python program to read temp and humidity data from serial port | |
| #and to send them to a webpage | |
| #DHT11 sensor is used | |
| #Version 1.0.4 | |
| import serial | |
| import time | |
| file_name = "index.html" | |
| ser = serial.Serial('COM5', 112500, timeout=1) | |
| print("Reading data from serial port....."); | |
| time.sleep(2) | |
| title = "Pico sensor data"; | |
| ser.reset_input_buffer() # Delete any stale data. | |
| def write_data(data): | |
| fo = open(file_name,"w+") | |
| # Start of HTML page. | |
| fo.write("<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'>") | |
| fo.write("<html><head><title>"+title+"</title>") # Page & Head begin. | |
| fo.write("<meta http-equiv='refresh' content='20'>") | |
| fo.write("<meta http-equiv='Content-Type' content='text/html; charset=UTF-8'>") | |
| fo.write("<link rel='shortcut icon' href='favicon.ico' />") | |
| fo.write("<link rel='icon' type='image/x-icon' href='favicon.ico' />") | |
| fo.write("<link rel='icon' type='image/png' href='favicon.png' />") | |
| fo.write("</head><body><center><p style='text-align:center'> </p>") # Head end, body begin. | |
| #fo.write("</head><body><center><p>"Temperature"</p>") | |
| fo.write('<p style="text-align:center"><span style="color:#d35400"><span style="font-family:Comic Sans MS,cursive"><span style="font-size:36px">Raspberry Pi Pico Real time Sensor Data display using Python</span></span></span></p>') | |
| fo.write('<p style="text-align:center"> </p><p style="text-align:center"> </p>') | |
| fo.write('<table align="center" border="1" cellpadding="1" cellspacing="1" style="width:500px">') | |
| fo.write('<caption><p><span style="font-size:36px"><span style="font-family:Lucida Sans Unicode,Lucida Grande,sans-serif"><span style="color:#2980b9">Dashboard</span></span></span></p>') | |
| fo.write('<p> </p></caption><tbody><tr><td style="text-align:center"><span style="color:#27ae60"><span style="font-size:26px"><span style="font-family:Trebuchet MS,Helvetica,sans-serif">Temperature</span></span></span></td>') | |
| fo.write('<td style="text-align:center"><span style="color:#27ae60"><span style="font-size:28px"><span style="font-family:Trebuchet MS,Helvetica,sans-serif">Humidity</span></span></span></td></tr>') | |
| fo.write('</tr><tr><td style="text-align:center"><span style="font-size:26px">'+data[0]+'</span></td>') | |
| fo.write('<td style="text-align:center"><span style="font-size:26px">'+data[1]+'</span></td></tr></tbody></table><p> </p>') | |
| fo.write("</body>") # Body end. | |
| fo.write("</html>") # Page end. | |
| # Done, close file. | |
| fo.close() | |
| for i in range(200): | |
| # Reading all bytes available bytes till EOL | |
| line = ser.readline() | |
| if line: | |
| # Converting Byte Strings into unicode strings | |
| rxdata = line.decode() | |
| # Converting Unicode String into integer | |
| #num = int(rxdata) | |
| #print(num) | |
| tmp = rxdata.split(',') | |
| #write into webpage | |
| write_data(tmp) | |
| print(tmp) | |
| #print(tmp[1]) | |
| del tmp #clear received data | |
| ser.close() |
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