Scheduled Water Supply Auto-Fill

Automated emergency water backup system (offline-first: Zigbee coordinator and ESP32-C6 end nodes; mobile via BLE). When municipal water supply is unavailable and tank level drops critically low, the system automatically activates the submersible pump to fill from ground water up to 50% as emergency supply. Includes cooldown periods to conserve ground water resources.

Automated multi-tank water management for multi-story buildings (offline-first: Zigbee coordinator and ESP32-C6 end nodes; mobile via BLE). Coordinates filling of 5 tanks across 5 floors using a shared submersible pump, relay-based meter switching, and solenoid valves. Uses lowest-level-first priority to determine fill order. Each floor's meter is charged only when filling that floor's tank.

Smart auto-fill with water quality verification for areas with intermittent water supply. Before filling, the system runs water through a turbidity sensor to verify clarity. Perfect for monsoon season when damaged pipelines can cause muddy water. Automatically retries if water quality is poor, ensuring only clean water fills your tank.

Automatic tank filling for home water management based on water level sensor. Offline-first operation supports single-device all-in-one and distributed Zigbee topologies; mobile app connects via BLE. Monitors water level in real-time and automatically starts the motor when level drops below minimum threshold and stops when it reaches maximum. Ideal for home water tanks, overhead tanks, and residential water management. Supports 1-6 device configurations.