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Flask Server Test on Raspberry Pi for control LED | shiroku.Net
Environment Raspberry Pi 3B+ Raspbian GNU/Linux 9.4 Python 3 Flask 1.0.2 Setup Flask $ pip3 install Flask Code $ vim led_flask.py #!/usr/bin/python3 from flask import Flask import json import RPi.GPIO as GPIO GPIO.setwarnings(False) # Ignore warning for now GPIO.setmode(GPIO.BOARD) # Use physical pin numbering GPIO.setup(13, GPIO.OUT, initial=GPIO.LOW) app = Flask(__name__) @app.route('/') def hello(): name = "Top Page" return name @app.route('/api/led/', methods=['PUT']) def led(key): if key == "1": GPIO.output(13, GPIO.HIGH) return "LED ON \n" elif key == "0": GPIO.output(13, GPIO.LOW) return "LED OFF \n" else: return "Command Not Found \n" if __name__ == "__main__": app.run(debug=True, host='0.0.0.0', port=5004) Result $ sudo python3 led_flask.py * Serving Flask app "led_flask" (lazy loading) * Environment: production WARNING: Do not use the development server in a production environment. Use a production WSGI server instead. * Debug mode: on * Running on