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Sorry, my bad. It is clearly a gateway log.

Apr 03 19:23:57 DEBUG TSF:MSG:READ,3-3-255,s=255,c=3,t=7,pt=0,l=0,sg=0:
Apr 03 19:23:57 DEBUG TSF:MSG:BC
Apr 03 19:23:57 DEBUG TSF:MSG:FPAR REQ,ID=3
Apr 03 19:23:57 DEBUG TSF:PNG:SEND,TO=0
Apr 03 19:23:57 DEBUG TSF:CKU:OK
Apr 03 19:23:57 DEBUG TSF:MSG:GWL OK
Apr 03 19:23:58 DEBUG !TSF:MSG:SEND,0-0-3-3,s=255,c=3,t=8,pt=1,l=1,sg=0,ft=0,st=NACK:0

The first line here shows that the gateway received a message from node 3.
The message is a Find Parent request, which means node 3 is asking for the gateway.
The last line is the gateway sending a response. The ! before TSF and the st=NACK means that the gateway sent the message, but the gateway did not receive acknowledgement from the node that the node received the reply.

The most common cause is unstable power supply. What capacitor(s) are you using? (On the Raspberry and on the node). How is the nrf powered on the node?

If you haven't already, see https://forum.mysensors.org/topic/666/debug-faq-and-how-ask-for-help/ for the most common problems and how to troubleshoot them efficiently.

Great work @JCH, thanks for reporting back and for sharing the sketch.

Welcome to the forum @Jenkins

Are you sure this log is from the Raspberry Pi gateway? It looks like a node log.

@MasMat Try changing

float readingSau = (1023 / adcTmm)  - 1;

To

float readingSau = (1023.0 / float(adcTmm) )  - 1;

You are mixing integer and floating point math.

@Mr_sensor said in Easy/Newbie PCB for MySensors:

Can I have the pcb in the first shed also working as an extender, so the second pcb will be able to send out topics to the gateway as well? What to add to my code to achieve that?

Hello,
you must program it to be a repeater. Of course it will need to have radio on all the time, so it cannot be battery-powered.
https://www.mysensors.org/download/sensor_api_20#create-repeating-nodes

@tbowmo said in Coronavirus (way, way, off topic):

I don't know if any of you have seen this before:

https://gisanddata.maps.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6

Yes it's famous, I used to watch it daily when there was mainly a big red dot over China, and a few tiny dots elsewhere. Now they had to reduce the size of dots, and it's red everywhere
I find the table here https://www.worldometers.info/coronavirus/ easier to see the trends, as the main info to know the progress of the epidemic in a place is the number of new cases / total cases and you can see it right away without clicking on each country.

I don't have any experience with RS485, but the guide at https://www.mysensors.org/build/rs485 should contain everything you need about wiring.

The MySensors build examples are not specific to wireless transports. They work regardless of transport.

@bebr could it be temperature related? I have noticed that the voltage in my nodes increase when the sun is shining on them.

@bebr said in Air Humidity Sensor - Si7021:
Your setup looks allright.

Isn't the regulator only used when applying voltage to the RAW pin?

Yes it is, but I'm not sure what will happen if you source 3v3 via its output pin.
Anyway, I doubt if this could cause the effect you're seeing.

@bebr well, it can depend on a number of things: where in the sketch do you read the vcc level (eg before or after sending), what voltage levels did you configure in your sketch, did you remove the voltage regulator from the pro mini?