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@virtualmkr MySensors acknowledge only covers the first hop, so if repeaters are used the acknowledgement will only mean that the message reqched a repeater, not the gateway.

@Nigel31 MySensors does not maintain a connection, so it is impossible to get the status of a connection.

All MySensors keeps track of if there have been any recent successful transmits (indicating that a connection was possible when the last message was sent) or if there have been recent failed transmits (indicating that no connection was possible).

@Nigel31 could isTransportReady() give you the information you need? Or transportCheckUplink() if you need to trigger a new check.

Nice work @Norton, thanks for reporting back!

@PZDPRO since I have never used HA, I don't know what devices in HA are, or how they work.

@PZDPRO you only need the nrf24 if you want to connect sensor nodes to your gateway. See https://www.mysensors.org/about/network for details on how MySensors works.

@PZDPRO I have never used HA but port 1883 in your configuration hints that HA is expecting a MQTT gateway. Your gateway is configured as an ethernet gateway. Therefore, the gateway does not support MQTT.

Either configure HA to use an MySensors ethernet gateway, or reconfigure your gateway to use MQTT. See https://www.mysensors.org/build/mqtt_gateway for instructions.

I think you'll need a MQTT broker as well. Instructions are available at https://www.mysensors.org/build/mqtt_gateway#setup-and-test-gateway

@PZDPRO all the examples in MySensors are known to work. We wouldn’t have them if they were broken.

What does the debug output say when you have removed the nrf24?

@rumoldus said in can use delay() on an ESP32 gateway ?:

delay function under mysensors implemented as a non-totally-blocking routine ?

MySensors does not override the delay function, so there is no MySensors implementation.

delay will affect the gateways ability to do stuff. How much is impossible to say, but it is likey to cause problem in random ways that are very hard to troubleshoot.

@PZDPRO said in Arduino+M5100 cannot connect to LAN:

#define MY_RADIO_RF24

Comment out this if you don't want to use a nrf24.