Proximity programmed, globally synchronized irrigation controller and system

1. An irrigation control system, comprising:

an irrigation controller having

a microcontroller having a unique identifier and configured to receive, modify and execute irrigation schedules, collect, store and forward watering metrics, and determine current global time;

a power source;

a global time receiver, in communication with the microcontroller, configured to provide time to the microcontroller;

a global positioning receiver connected to the microcontroller and configured to provide geospatial information to the microcontroller;

a transceiver in communication with the microcontroller, the transceiver configured to send messages including at least one of predefined irrigation schedules, stored watering metrics,

wherein the irrigation controller is configured to modify and execute an irrigation schedule targeted for a specific geospatial position when the geospatial information received by the global positioning receiver matches the targeted geospatial position.

2. The irrigation control system of claim 1 , further comprising:

an actuator configured to control a flow of water between a water source and an outlet; and

a valve driver circuit, in communication with the microcontroller, configured to drive the actuator according to the irrigation schedules.

3. The irrigation control system of claim 2 , further comprising a pressure sensor connected in fluid-sensing relation to the actuator.

4. The irrigation control system of claim 1 , further comprising a mobile computer having

a microprocessor;

a wireless transceiver configured to receive the messages from the irrigation controller transceiver and transmit instructions including at least one of predefined irrigation schedules or stored watering metrics to the irrigation controller via a communication link; and

a memory coupled to the microprocessor and configured to store predefined irrigation schedules and watering metrics.

5. The irrigation control system of claim 4 , wherein the mobile computer is configured to:

compare predefined irrigation schedules in the irrigation controller with predefined irrigation schedules stored in the mobile computer memory; and

if the predefined schedules in the irrigation controller are different than the predefined irrigation schedules stored in the mobile computer memory, transmit the predefined irrigation schedules stored in the mobile computer memory to the irrigation controller.

6. The irrigation control system of claim 5 , wherein

the mobile computer is configured to send a request to the irrigation controller to transfer watering metrics including the geospatial information received by the global positioning receiver and cumulative watering time recorded for each specific geographic location; and

the irrigation controller is configured to:

receive the request to provide watering metrics from the mobile computer;

compile the requested watering metrics; and

transmit the watering metrics to the mobile computer via the established communication link.

7. The irrigation control system of claim 6 , wherein the mobile computer is operable to associate an irrigation schedule targeted for a specific geospatial position.

8. The irrigation control system of claim 5 , wherein the irrigation controller is in direct communication with the mobile computer to send and receive messages and instructions, and does not require a separate central server to relay information.

9. A method of commanding an irrigation controller having a microcontroller enabling a control application, a memory storage, a power source, a global positioning receiver connected to the microcontroller, and a transceiver, comprising:

specifying a predetermined geospatial position;

maintaining in the memory at least one irrigation schedule associated with the predetermined geospatial position;

detecting current geospatial information for the irrigation controller using the global position receiver;

providing the current geospatial information for the irrigation controller to the microcontroller;

using the application, retrieving the irrigation schedule maintained in the memory storage associated with the predetermined geospatial position; and

executing the irrigation schedule associated with the predetermined geospatial position.

10. The method of commanding the irrigation controller of claim 9 , wherein the irrigation controller has a global time receiver, further comprising:

maintaining in the memory at least one irrigation schedule associated with a predetermined time for execution of the irrigation schedule;

detecting the current global time using the global time receiver;

providing the current global time to the microcontroller;

using the application, retrieving the irrigation schedule maintained in the memory storage associated with the predetermined time for execution of the irrigation schedule; and

executing the irrigation schedule associated with the predetermined global time.

11. The method of commanding the irrigation controller of claim 9 using a mobile computer having a microprocessor, a wireless transceiver in communication with the irrigation controller transceiver, and a memory configured to store a predefined irrigation schedules, comprising:

transferring a second irrigation schedule from the mobile computer to the irrigation controller;

comparing the second irrigation schedule to the irrigation schedule associated with the predetermined geospatial position; and

if the second irrigation schedule is different than the irrigation schedule associated with the predetermined geospatial position, modifying the irrigation schedule associated with the predetermined geospatial position to be consistent with the second irrigation schedule.

12. The method of commanding the irrigation controller of claim 11 , wherein the second irrigation schedule overwrites the irrigation schedule associated with the predetermined geospatial position rather than being compared to or modifying it.