In this process design and implementation of RFID, GPS, and GSM based logistics vehicle load balancing and
tracking mechanism. Misplacement of goods, overload of goods in the vehicle, Weight sensor is used to find out the
overload of goods in the vehicle. Weight sensor consists of 3 pin, 2 for supply and 1 for output. The output wire of
weight sensor is interfaced with microcontroller in PORT A of ADC pin.Comparsion is made with predefined
value which is set earlier and if the values are not equal, ALARM is activated.