# Sensor Architecture

## Current Sensors

### Fridge Zone 1

Purpose:
Refrigerator or freezer monitoring.

Alarm:
User configurable.

### Fridge Zone 2

Purpose:
Refrigerator or freezer monitoring.

Alarm:
User configurable.

### Rear Seat Area

Purpose:
Monitor child seating area.

Alarms:
- Warning Threshold
- Critical Threshold

### Outside Air

Purpose:
Ambient outside temperature.

## Future Sensors

### Battery Bay

Purpose:
Battery compartment monitoring.

### Cabin Air

Purpose:
Cabin temperature monitoring.

### Water Tank

Purpose:
Water freeze protection.

### Cooler

Purpose:
Secondary food storage monitoring.

## Sensor Bus

DS18B20 OneWire

Single bus shared across all sensors.