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IoT-For-Beginners/2-farm/lessons/4-migrate-your-plant-to-the.../code/pi/soil-moisture-sensor/app.py

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import time
from grove.adc import ADC
from grove.grove_relay import GroveRelay
import json
from azure.iot.device import IoTHubDeviceClient, Message, MethodResponse
connection_string = '<connection_string>'
adc = ADC()
relay = GroveRelay(5)
device_client = IoTHubDeviceClient.create_from_connection_string(connection_string)
print('Connecting')
device_client.connect()
print('Connected')
def handle_method_request(request):
print("Direct method received - ", request.name)
if request.name == "relay_on":
relay.on()
elif request.name == "relay_off":
relay.off()
method_response = MethodResponse.create_from_method_request(request, 200)
device_client.send_method_response(method_response)
device_client.on_method_request_received = handle_method_request
while True:
soil_moisture = adc.read(0)
print("Soil moisture:", soil_moisture)
message = Message(json.dumps({ 'soil_moisture': soil_moisture }))
device_client.send_message(message)
time.sleep(10)