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design for 4 inch common anode displays

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rthilip

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4 inch common anode seven segment display

Dear friends,

I have done a project with rotary encoder, seven segment interfaced to a microcontroller AT89xx. The output of the rotary encoder is fed to the mc and the outputs are displayed in the seven segment common anode displays. If I rotate the encoder in cw direction, the segment will increment from 00. If I rotate in ACW direction, it will decrement towards 00. These are worked well with small common anode displays. But, my need is to develop this with 4 inch common anode displays. I tried a lot to collect the data sheet for 4 inch disp.It requires 12v to get lighted up.Can any one help me to complete my project?
 

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