Initial Release

bh1750-mqtt.py

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+#!/usr/bin/python3
+
+# Import required Python libraries
+import paho.mqtt.client as mqtt
+import board
+import adafruit_bh1750
+import time
+import ssl
+
+time.sleep(25)
+
+# set the variables
+broker='FQDN / IP Adresse'
+port=8883
+publish_topic="house/pi-bh1750"
+clientid='python-mqtt-bh1750'
+username='mosquitto'
+password='password'
+insecure=True
+qos=1
+retain_message=True
+
+# do the stuff
+# define BH1750
+i2c = board.I2C()
+lightsensor = adafruit_bh1750.BH1750(i2c)
+
+#MQTT Connection
+client=mqtt.Client(clientid)
+client.username_pw_set(username, password)
+client.tls_set(cert_reqs=ssl.CERT_NONE) #no client certificate needed
+client.tls_insecure_set(insecure)
+client.connect(broker, port)
+client.loop_start()
+
+#print("%.2f Lux" % lightsensor.lux)
+client.publish("{}/lux".format(publish_topic),"{:.2f}".format(lightsensor.lux),qos,retain_message)
+
+time.sleep(2)
+client.disconnect()
+client.loop_stop()
+

bh1750.py

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+#!/usr/bin/python3
+import board
+import adafruit_bh1750
+
+i2c = board.I2C()
+sensor = adafruit_bh1750.BH1750(i2c)
+
+print("%.2f Lux" % sensor.lux)