Abstract
The purpose of this research is to create a system consisting of hardware and software for measuring area, circumference and other environmental parameters such as altitude above sea level, temperature, humidity, slope, soil pH and soil water content. Data measurement results can not only be stored on the device but can be forwarded to the web server to be processed into a zoning map. The method used is to obtain GPS coordinate data from the smartphone to determine the location of the land, calculation of area and circumference and altitude above sea level. Meanwhile, to measure soil pH, the water content in the soil, slope, temperature, humidity used several sensors. All this data is sampled by the microcontroller and transmitted serially to the smartphone. Furthermore, all this data is sent to the web server and processed using the web service to generate zonation maps. The results of this study provide an ease impact for surveyors and help the city government to determine the function of land to be effective and can be monitored properly.
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