Breathing, movement and fall awareness without a camera.
~$140 · 3 nodes · 60 minHardware
Hardware
Field-tested kits per pillar — what to buy, what it costs, how long setup takes.
Hardware by environment
Complete first-room kits and clearly marked feasibility builds.
Choose the environment. Parts estimates are transparent; readiness, availability, assembly, shipping and the final quote are confirmed before any payment.
Falls, bathroom risk and routine change with complete privacy.
~$130 · 3 nodes · 60 minCages, corridors and raised-floor voids where cameras have blind spots.
~$320 · 6 nodes · 120 minMachine vibration, worker presence and hazard-zone drift.
~$320 · 6 nodes · 120 minOccupancy, flow and comfort, room by room.
~$130 · 3 nodes · 90 minPrivate home presence and intrusion awareness.
~$90 · 2 nodes · 45 minQueues, dwell and after-hours movement without filming guests.
~$130 · 3 nodes · 90 minHerd activity and restlessness through dust and darkness.
~$130 · 3 nodes · 90 minChild, pet and occupant presence in a private cabin.
~$40 · 1 nodes · 45 minRadio tomography, through-wall experiments and field research.
~$320 · 6 nodes · 120 minCompatible DIY hardware families
Components
Seeed XIAO ESP32-S3 · Power bank · Mini tripod · MicroSD card
Components
ESP32-S3 in white enclosure · Wall adapter · Ceiling mount
Components
Bare ESP32-S3-DevKitC-1 · Dual-band antennas · USB-C cable
Components
2× ESP32-S3 · USB adapters · High-gain antenna
Components
3× ESP32-S3 commercial · PoE splitters · Ceiling mounts
Components
6× ESP32-S3 commercial · PoE infrastructure · Raspberry Pi 5 coordinator
Proven ESP32 builds with parts lists, step-by-step installs and ready configs. Solutions →