Abstract: Devices, systems, and methods are provided involving the containers for the delivery of items. One embodiment includes a container for delivery of items. This exemplary embodiment includes an enclosure for the placement of a delivered item, a door for providing access to the enclosure, a locking mechanism to restrict the opening of the door to authorized individuals, and a logic component connected to the locking mechanism to control the actuation of the locking mechanism. The logic component includes logic to identify a code provided in a wireless signal to determine when to open the door.

Abstract: A flow meter and a flow monitoring system using a plurality of such flow meters. The flow meter includes a tubular turbine housing having an axial flow passage containing a turbine. The turbine includes a turbine body and a plurality of turbine blades centrally connected to a turbine hub, which rotate the turbine upon fluid flow through the turbine housing. The rotation of the turbine is proportionate to the amount of fluid flowing through the turbine housing. A magnet is connected to the turbine for rotation with the turbine about a circular path of rotation. A reed switch housing is connected to the turbine housing. The reed switch housing includes a pair of parallel gusset plates connected to the turbine housing oriented in perpendicular relationship to the intended direction of fluid flow through the turbine housing, and end walls connected to the gusset plates to form a closed reed switch compartment. A reed switch assembly is contained in the reed switch housing.