Z[quote=“Bruce_Crowthorne, post:7, topic:38479”]
Basically, the code waits for a signal from the Blynk App and generates an MQTT message to other RPi’s that do stuff like turn on my heating, a light, waters the garden.
[/quote]
There’s a much simpler solution. Install Node-Red on your RPI then install the Blynk plug-in for Node-Red.