https://www.pistack.xyz/tags/presence-detection/ Recent content in Presence-Detection on Pi Stack Hugo en-us Sat, 06 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-06-self-hosted-ble-room-presence-tracking-espresense-room-assistant-bermuda/ Sat, 06 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-06-self-hosted-ble-room-presence-tracking-espresense-room-assistant-bermuda/ <h2 id="introduction">Introduction</h2> <p>Knowing which room someone is in unlocks powerful home automation possibilities: lights that follow you through the house, heating that adjusts per-room occupancy, and security alerts when unexpected movement is detected. Bluetooth Low Energy (BLE) presence tracking uses the BLE advertisements emitted by phones, watches, and wearables to determine room-level location — no cameras, no wearable tags, just your existing devices.</p>