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I can't get the list of nodes connected to my gateway

smurilogs last edited by

Hi guys,

I'm trying to use MySensors API (v1.5) for the first time and have faced some dificulties for configuring my first network. In breaf, I started by using the example SerialGateway updated to a NRF24L01+ connected to an Arduino Nano. That joint has the role of being my gateway, that would receive any message from nodes in my network and would transfer that to my serial port. With that ready, I implemented my sensor node so that it sent one of the ADC ports periodically to my gateway. My idea was developing my own controller so that I could make some manipulations with incoming data. Here comes the problem: for developing my controller, I'm using NodeJS with a library called mysensors-controller - that library has a method for listing all nodes connected to my network. However it gives me always a specific node, even if I clear gateway EEPROM, connect no nodes, or even multiples ones - the same specific "ghost" node is always being listed instead of my real network situation. Does anybody have any idea about what is going on?

Thank you so much in advance.
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Hi OSD, thanks for your input. Those are the 4 relays on IO-MCU. I buzzed out the circuit and found that I had an open circuit on the 12v line to the relays. Furthermore 2 of the relays indicator LEDs were illuminating, 2 were not. I suspect, when I first juiced up the circuit on this MCU, the 2 relays fired, but I'd made the trace too thin for the required current. I wired up some jumper wire on the reverse of the PCB and the 2 relays started working. The 2 that remain inoperable? https://forum.arduino.cc/t/using-pins-a6-a7-on-pro-mini-compatible/118050 A6 and A7 can only be analogue inputs, cannot be digitally written to..... - so this part of my PCB is now redundant. However, all in all, some good fault finding, found the two issues, and I'm now going away to re-think my PCB trace widths and reading the datasheets more accurately Thanks
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Hm, maybe the problem is that your rPI has a short interruption in the WIFI connection, the MQTT TCP connection is interrupted and does not autostart again. Maybe there is something in the logs. Maybe you can find something about reconnects in one of these: journalctl --unit=systemd-networkd journalctl --unit=wpa_supplicant You could try to run wpa_cli in daemon mode to react to disconnects and connects. Create a script like this: #!/bin/bash case "$2" in CONNECTED) <your command to start the gateway>; ;; DISCONNECTED) <your command to stop the gateway>; ;; esac then, start wpa_cli in deamon mode: wpa_cli -a /path/to/your/script #use sudo if your gateway commands need sudo If that helps, you could create a service from this command. Regards, Edi

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I can't get the list of nodes connected to my gateway

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