Cognitum/HVAC Presencev1.4.0

HVAC Presence

HVAC control integration with arrival/departure prediction. CSI-based occupancy inference on ESP32-S3 feeds setpoint adjustments before you walk through the door.

Cog status running

cognitum-one/cogs/src/cogs/hvac-presence · ESP32-S3 · CSI presence input · 16 KB
Presence
—
confidence —
HVAC Mode
Auto
cooling · 22.0°C
Next Predicted
—
— · — confidence
Energy savings
17.4%
vs always-on baseline (7d)
CSI Quality
—
SNR — dB
Occupancy probability (24h) live
Rolling presence belief from CSI inference
Occupancy probability HVAC active
Current state
Heat pump · zone living
cooling
22.0°
current
set 22.0°C
humidity 42% target 22.0°C fan auto
Recent activity
Last 12 events from the cog
Zones
Per-zone occupancy from CSI signature
CSI signal quality live
Last 5 minutes · subcarrier amplitude
subcarrier 12 subcarrier 28 subcarrier 47
24-hour occupancy compass
7d · concentric rings = days · angle = hour
Arrival / departure forecast live
Next 12 hours · model confidence band
Occupied period Vacant period Arrival transition Departure transition
Upcoming events
Predicted arrivals & departures
Model accuracy
7d
arrival MAE 5.2 min departure MAE 7.8 min
Lead time
12 min
avg pre-arrival HVAC ramp
0 min30 min
Model
name tiny-lstm-presence params 14.2k trained 2d 4h ago device esp32-s3 / RVF
Live control
Setpoint, mode, fan
following schedule
MODECOOL
FANAUTO
COMPON
DUTY42%
22.0°
setpoint
current 22.0°C
22.0 °C
Mode
Fan
Temperature trend live
Setpoint vs measured · last 6 hours
Measured Setpoint Compressor on
Pre-conditioning
Auto pre-condition
Ramp HVAC ahead of predicted arrival
Departure setback
Relax setpoint after predicted departure
Min confidence
Only act on predictions above
78%
Override

Hold setpoint for a fixed duration. The cog will resume schedule after.

status no override
Schedule (today)
Event log
Live stream from cog · 0 events
Hardware
Device
ESP32-S3 · 8MB PSRAM
connected
CSI sample rate
Hz, packets per second
Subcarriers
Active subcarriers in window
HVAC bridge
Relay protocol
Detection
Sensitivity
Lower = fewer false positives
6
Smoothing window
Seconds of CSI averaging
Idle timeout
Time to confirm vacancy (s)
Publish events to RVF
Index for retrieval-augmented queries
Events & routing
presence_changed
Emit on any belief change > 20%
arrival_predicted
Emit when arrival within lead time
departure_predicted
Emit when departure within lead time
hvac_signal
Emit every relay command
About
cog hvac-presence version v1.4.0 size 16 KB category Building complexity Easy source cognitum-one/cogs/src/cogs/hvac-presence events presence_changed, arrival_predicted, departure_predicted, hvac_signal