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39 lines
915 B
39 lines
915 B
4 years ago
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import time
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from grove.adc import ADC
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from grove.grove_relay import GroveRelay
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import json
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import paho.mqtt.client as mqtt
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adc = ADC()
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relay = GroveRelay(5)
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id = '<ID>'
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client_telemetry_topic = id + '/telemetry'
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server_command_topic = id + '/commands'
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client_name = id + 'soilmoisturesensor_client'
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mqtt_client = mqtt.Client(client_name)
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mqtt_client.connect('test.mosquitto.org')
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mqtt_client.loop_start()
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def handle_command(client, userdata, message):
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payload = json.loads(message.payload.decode())
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print("Message received:", payload)
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if payload['relay_on']:
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relay.on()
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else:
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relay.off()
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mqtt_client.subscribe(server_command_topic)
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mqtt_client.on_message = handle_command
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while True:
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soil_moisture = adc.read(0)
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print("Soil moisture:", soil_moisture)
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mqtt_client.publish(client_telemetry_topic, json.dumps({'soil_moisture' : soil_moisture}))
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time.sleep(10)
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