原创 NTC热敏电阻的测量

        if(temp_ad_i==12)
        {
            temp_ad_i = 0;
            temp_ad_filtered_value = ADValue_10_Times_Mv(temp_ad_value);
            float Vout = (float)temp_ad_filtered_value/4096*3.3;
            float R = 5000/Vout - 2000;
            s8 T = 0;
            for(u8 i=0;i<116;i++)
            {
                if(R >= NTC_R_TABLE)
                {
                  T = i - 15;
                  break;
                }
            }
            sprintf((char*)str1,"%0.3fV",Vout*2);
            Disp_ChnorAscii(0,LINE4,str1,0);
            sprintf((char*)str1,"%3dC",T);
            Disp_ChnorAscii(40,LINE4,str1,0);
        }