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ESP32 Boards Repurposed as Discreet Bluetooth Presence Sensors

WireByte Staff · August 2, 2026

A Home Assistant user has developed a method to conceal ESP32 boards, turning USB chargers into discreet Bluetooth presence detection sensors. This innovation enables more accurate tracking by placing proxies in multiple rooms. The technique leverages ESP32's ability to relay information between Home Assistant and Bluetooth devices.

Key points

  • A Home Assistant user has created a way to hide ESP32 boards, using USB chargers as a casing.
  • The method enables Bluetooth presence tracking in multiple rooms, increasing accuracy.
  • ESP32 boards can relay information between Home Assistant and Bluetooth devices, extending their range.
  • This innovation is particularly useful for smart home automation, where minimal user interaction is preferred.

A Home Assistant user has developed a creative solution to conceal ESP32 boards, turning them into discreet Bluetooth presence detection sensors. By repurposing USB chargers as a casing, the ESP32 boards can be hidden from view, making them ideal for placement in multiple rooms. This innovation enables more accurate Bluetooth presence tracking, as the ESP32 can relay information between Home Assistant and Bluetooth devices, extending their range.

This technique is particularly useful for smart home automation, where minimal user interaction is preferred. By automating various tasks and devices, users can enjoy a seamless and convenient experience. The use of ESP32 boards as discreet Bluetooth presence sensors is just one example of how this technology can be repurposed to enhance smart home functionality.

As the demand for smart home solutions continues to grow, innovations like this will play a crucial role in shaping the future of home automation. By leveraging the versatility of ESP32 boards, developers can create more sophisticated and user-friendly solutions that meet the needs of an increasingly tech-savvy audience.

Sources

WireByte Staff — Editorial Team

The WireByte editorial team synthesises technology news from multiple primary sources, verifies the facts, and links every source. Articles are produced with AI assistance and reviewed under our editorial policy.