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Sensor Interfacing to tm4c123gh6pm

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I  wrote program of  ADC in tiva c launchpad..I am using PB5 pin(AIN11) for analog input..But How to connect Sensor (voltage input-3.3 voltage input )to launchpad...My sensor has 2 wire Vin,Gnd.....Should i have to connect Vin to PB5 and Gnd of sensor to GND pin of Launchpad.. 

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all ground pins are common. If you take an ohm-meter (most multimeters have a resistance measuring function), pick 2 ground pins, put a probe to each you will find they have a very small resistance between each other, or basically they are connected. All the ground pins are connected in parallel with each other. Use whichever one you please.

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