I have mqtt client code for stm32f103c8t6 with esp01. I use pi3 as mqtt server with nodered software. I have few bugs in connectivity. Case 1: I can normally switch on/off client output with nodered. Case 2: There I find some delays of mqtt messages arrives in client from server after i switch on in nodered. Case 3: Sometimes the mqtt messages not even arriving to client even I enabled qos2. the o...
MQTT (Message Queue Telemetry Transport) is a protocol for collecting device data and communicating it to servers (D2S) Assumi MQTT Developers
TROUBLESHOOTING Arduino mqtt client 5 giorni left
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