sonoff dongle -P vs -E?

[tjabas]

so i have a dongle -P and i want to get a spare one just in case something happens, but the -P seems outdated and hard to find, if i get a dongle -E could i simply copy the settings from my -P to -E ?
and what is the diffreance between the two?

[pipiche]

P is based on Texas Instrument chipset while E is on the SiliconLabs

[ferrosk]

If you use Zigbee2MQTT, you can find information about both type of adapters in section for supported adapters. E version (with EFR32MG21 chip) should work too but still has experimental support in Zigbee2MQTT only. I use recommended P version (based on CC2652P chip) without issues. You can still buy P version in Sonoff official shop here they still sell both versions.

[tjabas]

thanks for your help, i´ve also been looking for a way to make a backup of the stick, but it seem quite difficult to find a way, can i make a backup of the nodes on the dongle somehow?
and if i manage to make a backup can this be installed on another dongle P or E?

[FlyingDomotic]

If you're using Zigbee2Mqtt, and keep the same series of chipset (meaning Cxxxx), you can swap you stick without needing to repair anything (https://www.zigbee2mqtt.io/guide/faq/#h ... to-another).

If swap is different (including different brands of chips), this will probably mean you'll have to repair all your devices, as backup seems to be firmware specific.

[pipiche]

Z4d relies on zigpy radio libs and you can swap between P , E and even Conbee

[WouterO]

And I can testify that the Sonoff E and the Conbee dongle work fine with Z4D. One can swap the dongle and only adapt the chipset in the settings without re-pairing.

[tjabas]

thank you all for your answers, im running zigbeefordomoticz, so you mean that i can just replace the sonoff dongle and it would work emediately?
are all the nodes saved in the plugin itself?
so instead of getting a dongle -P i could instead go for the dongle -E and it would work after i have changed the settings in the hardware meny in domoticz?

[WouterO]

Yes. Under ‘hardware’, ‘zigbee for domoticz’ just change the ‘coordinator model’ to the appropriate chipset ‘Silicon Labs EZSP’ for the Sonoff model E dongle.

[Knight]

I use -p and just upgrade to -E.

I Lost the powerupdate (kwh) from 2 Walplugg