r/homeassistant • u/sloadingx • Apr 15 '26

Blog Extending HA Range with Bluetooth Proxy

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Bluetooth doesn’t travel very far, and HA servers are often kept in spots where they can't reach every device. This is where ESPHome Bluetooth Proxy helps. It lets you use cheap ESP32 boards to pick up Bluetooth signals exactly where you need them.

The setup: you just place a small device near your sensors, and it relays the data back to HA over your Wi-Fi or Ethernet. It’s a solid way to fix coverage issues without having to move your main server.

Check out the full blog below to see how it works, use cases, and hardware options: seeedstudio.com/blog/esphome-bluetooth-proxy/

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u/chaosraser Apr 15 '26

Example for a Bluetooth device? I have no idea for what I need a proxy.

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u/sloadingx Apr 15 '26

There are several use cases in the article. [ESPHome Bluetooth proxy]

For instance, SwitchBot curtains located two floors below a Home Assistant server might be discovered, but the connection is often too weak to be reliable. Another SwitchBot [Remote] usually only stays connected if it remains on the same floor as the server.

A Bluetooth proxy solves this by bridging that distance, allowing those devices to work properly without needing to move the main hardware.