Topic Type:
Event
Problem addressed: inconvenience of shutting chicken coop door every night/danger of loss to predators Solution: automated door closer and coop lamp for winter powered by PV panel on coop roof
Small motor powers the door (like a window opener on a car)
Bill of Materials: (incomplete) battery charge controller inverter outlet timer cookie sheet for door LED lights
Use LED lights: efficient cold tolerant durable must be cleaned regularly of dust