Interfacing ARM and AD8403(Digital Potentiometer)

Dear sir/mam,

        As i am working interfacing ARM and AD8403 IC(digital potentiometer),i am measure resistance value,what i am doing is from ARM i am sending data through SPI every 20sec data i am tranmitting,and AD8403 IC what i am sending it will give the exact resistance value.the problem is resistance value is fluctuation,it should not fluctuate,i need your help regarding this i will update my developed code please have a look at it.



emergency please help me.....
Parents Reply Children
No Data