Moisture Sensor Based Vacuum Chamber

The proposed work describes the design of prototype of automatic moisture detector system controlled by microcontroller 89c52 on the working principle and the hardware structure of the system.Automatic moisture detector system process is one of the most important and necessary processing step for fruits drying system,in our country has lots of market for grapes and raisins goes on increasing day to day while making of grapes to raisin by the farmer quality and production may be lossing .so we understand this problem from the farmer that’s why we try to avoid this problem to get large market in domestic as well as international we will try to implement such system have a greater control over the process. Microcontroller is used for the control of the system. This system can replace existing natural drying systems which consume lots of time & efforts. This system is interfacing by microcontroller controls with the conventional software code it is possible to achieve a good results in the form of reduced human efforts & quality of raisins or fruits