ModBus software works, MQTT bridge software added.

software/mqqt_to_pe1rxf_telemetry/mqtt_callbacks.py

@@ -0,0 +1,10 @@
+import logging
+
+
+
+def on_message(client, userdata, message, properties=None):
+    logging.info(
+        f"Received message {message.payload} on topic '{message.topic}' with QoS {message.qos}"
+    )
+def on_subscribe(client, userdata, mid, qos, properties=None):
+    logging.info(f"Subscribed with QoS {qos}")