My current sprinkler timer will permit time and day water restrictions. However the time is lost on power outage. I must manually set year, month, day and time of day. However the program is preserved. I would like to get a new timer, one that will set the time and day over WiFi. I need to:
1 Set watering day restrictions. I cannot use Monday, Tuesday, Thurday, Friday, Sunday. Only permitted days are Wednesday and Saturday between the hours of before 8AM and after 5 PM PM.
2. Obviously, weather data to optimize watering is almost useless. However, a rain sensor to prevent watering during rain will help.
3. The lawn sprinkler must not be an IED (internet enabled device), use the cloud or depend on an internet connection for daily use).
I planned to make my own timer with a Rasbury PI board and custom programming. The board has WiFi, either-net, USB and a GPIO port. This will provide A/D and D/A input output ports, useful for analog sensors. Then I saw the rainmachine. Is it worth changing my plan?
Location is South East Florida.
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