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check wires

5 years 4 months ago #534 by HarryDutch
I'm playing with The low power door/window sensor and noticed that from time to time the server is not responding when I switch a button to simulate the opening/closing of a door. I'm not sure if the server is really freezing. It's also possibel that there is no communication between the 2 radio's. Is there a way to check the communication by using leds for example to see if both modules are really sending/receiving?

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5 years 4 months ago #535 by Dennis
Yes, actually there is a way to check communications:
yveaux.blogspot.nl/2014/07/nrf24l01-sniffer-part-1.html

regards
The following user(s) said Thank You: HarryDutch

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5 years 4 months ago #540 by EasyIoT
You can also check debug files in EasyIoT server side and Arduino side to see communication messages. Do you use capacitors on NRF24L01 power lines? Usually it helps.
I'm using EasyIoT server and MySensors protocol more than half a year and I didn't notice anything unusual. Sometimes I lost communication with my sensor on balcony - but reason are metal blinds on door. All other sensors works without problems.

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5 years 4 months ago #547 by HarryDutch
Finally success! I changed the channel from 90 to 76 and it's now stable as a rock. I'm happy! But it's still not clear to me how to pick the right channel.

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5 years 4 months ago #550 by Lars65
I discovered the same almost. Mine work on 95, but I reaaly don't know why.
In the config file is there two differnt values, one at 95 and one at 90.
But 90 doesn't work, but p5 does.

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5 years 4 months ago #551 by HarryDutch
Which config file do you mean? I've changed the channel in the webclient only.

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