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Development of a Novel Resistance Measuring Device with Digital Display

Beena M. Varghese, Geethu Mohan, Jithin George,John P Kurian, ,Krishnaprasad K

Measurement of resistance has much more of an importance as part of a bigger project like touch screens using resistive method, Contact detector, etc than as an individual project. The resistance measurement device is a device that can be used to measure the resistance of resistor that is placed between the two leads of the device. The system is fully controlled by the 8 bit microcontroller ATmega328P. A simple electronic circuit with two resistances connected in series is used.One of the resistance is kept as a base reference resistor and the second resistor is assumed to be the variable unknown resistance.