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The development in India of various wireless remote controllers began in 1996. Santosh Ostwal, an electrical engineer founded Ossian Agro Automation in Pune. [1] The application initially supported basic mobile phones and later built-in GSM modules named Nano Ganesh GSM. [2] Approximately 60,000 farmers in India have been using Nano Ganesh ...
The controller opens the tube connected to the valve, allowing that valve to open. Most newer systems employ electromechanical or electronic controllers. In this scenario, the controller is connected to an electrical circuit that operates a solenoid attached to each valve (solenoid valve). When the solenoid is actuated, the water above the ...
A sprinkler system timer is an electrical device that is used to set an irrigation sprinkler system to come on automatically at a certain time. Irrigation timers first appeared in the early 1960s to control large-radius lawn sprinklers, which at the time usually contained their own electrically operated valve (most golf-course sprinklers still use this type of actuation).
GainSpan created the GS2000 in 2013. It was the first chip developed to combine both Wi-Fi and ZigBee IP. [14] In January 2014, GainSpan became the low-power Wi-Fi technology supplier for Solem Electronique's WiFi irrigation controller and Wi-Fi outdoor lighting system. [15]
Rain sensors for irrigation systems are available in both wireless and hard-wired versions, most employing hygroscopic disks that swell in the presence of rain and shrink back down again as they dry out — an electrical switch is in turn depressed or released by the hygroscopic disk stack, and the rate of drying is typically adjusted by controlling the ventilation reaching the stack.
based on any number of touch-screen controllers, mounted into a standard 2-gang switch boxes of a new or a remodel home; these controllers communicate through Wi-Fi with Z-Wave power outlets, dimmers, switches and other devices; each controller acts as a server, enhancing the system's reliability, while devices also act as repeaters, increasing ...