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lab_app_v1.py
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lab_app_v1.py
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'''
FILE NAME
lab_app.py
Version 1
1. WHAT IT DOES
Implements the first version of the project's Flask application.
This version contains a single page that reports current temperature and humidity.
2. REQUIRES
* Any Raspberry Pi
3. ORIGINAL WORK
Raspberry Full Stack 2015, Peter Dalmaris
4. HARDWARE
* Any Raspberry Pi
* DHT11 or 22
* 10KOhm resistor
* Breadboard
* Wires
5. SOFTWARE
Command line terminal
Simple text editor
Libraries:
from flask import Flask, request, render_template
6. WARNING!
None
7. CREATED
8. TYPICAL OUTPUT
A simple web page served by this flask application in the user's browser.
The page contains the current temperature and humidity.
// 9. COMMENTS
--
// 10. END
'''
from flask import Flask, request, render_template
app = Flask(__name__)
app.debug = True # Make this False if you are no longer debugging
@app.route("/")
def hello():
return "Hello World!"
@app.route("/lab_temp")
def lab_temp():
import sys
import Adafruit_DHT
humidity, temperature = Adafruit_DHT.read_retry(Adafruit_DHT.AM2302, 17)
if humidity is not None and temperature is not None:
return render_template("lab_temp.html",temp=temperature,hum=humidity)
else:
return render_template("no_sensor.html")
if __name__ == "__main__":
app.run(host='0.0.0.0', port=8080)