Agriculture · Strong theory
Feed Bunk, Trough & Water Level Sensing
Knows when the water trough runs dry — before the herd suffers.
The physics is solid; our own validation is scheduled.
How it works
Water reflects WiFi almost like a mirror, so a full trough sends back a strong, clear echo. As the level drops, the echo shifts; when it is empty, the echo is gone. Feed bins work the same way — the surface of the feed is a line the signal can read.
In the physics: Water is a near-ideal RF reflector (eps_r ~80), so a full vs empty trough produces a large, cleanly delayed CIR return whose delay encodes the surface height; bulk feed presents a moving dielectric interface whose top surface reflection tracks fill level.
See it work
This is real pipeline output for Agriculture, replayed. The exact reading depends on your room.
Go deeper
How the field becomes an answer
How we prove it
Textbook water-reflection physics + ESP32-wall CIR delay accuracy; trivial own-hardware calibration filling a trough/bin in known increments.
Who it is for
'LevelSense' — zero-moving-parts feed/water level & waterer-failure alarm; cheapest LF2 upsell, bundles with PenGuard on the same mesh.
The matching solution
Complete first-room estimateBarn Activity Node3 nodes · ~$130 parts · 90 min Request kit, subscribe, or set up →Compatible DIY hardware options
60 min · intermediate
120 min · advanced