this post was submitted on 20 Nov 2025
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Should I get a ZBT-2? (lemmy.ca)
submitted 1 month ago by GreatBlueHeron@lemmy.ca to c/homeassistant@lemmy.world
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I've been running Home Assistant for a while and have wifi, zwave and zigbee networks. My zigbee is on a ZBT-1. I was happy until this week.

I bought some ESP32-C6 development boards to learn about ESP32 etc. with the goal of making some zigbee lock sensors (mechanical switch to report if a deadbolt is closed).

When I put the sample zigbee code on the board it won't connect to the network from my study, but if I take it closer to the coordinator it will connect and it continues working if I take it back to my study. The desk in my study is only about 16' from the coordinator but it is through 3 wood framed, gyprock lined, walls.

I know the answer is "probably, maybe", but I'd be interested in any insight people have about optimizing Zigbee networks. I could remove one of the walls from the equation by using a longer USB cable and bringing the ZBT-1 out of the utility closet? I already have routers close to 2 of the 3 doors I want to put my sensors in - I could maybe add a Zigbee lamp near the 3rd location?

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[–] mhzawadi@lemmy.horwood.cloud 4 points 1 month ago

I was thinking the same thing, I have a ConBee2 and it works fine, but an update to zigbee3 may be what I want it for.

In your case, some mains powered devices would solve your issue. zigbee is a meshing network, so a mains powered device between where your ZBT-1 and the new devices should help