PIC home controller project

Home controller based on PIC16F873A. With the appropriate sensors the controller can monitor physical variables such as pressure, temperature, light intensity etc, process the information and then use the result to control up to three physical devices such as motors, heaters, lights or other appliances around the home or office. You can program your appliances to operate automatically in conjunction with your weekly and daily schedule, manualy turn them on/off from your PC or use the controller as a process ON/OFF controller to regulate some kind of physical variable to the desired value.

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its a big one .u need sensors to measure the three patrametres i.e, temp pressure etc..first do tht then will tell u other part