ATtiny45 ADC

#define CLK  PB2 // TM1637
#define DIO  PB1 // TM1637

// PB4 INPUT

void setup(){
cli();
 ADMUX |= (1 << MUX1)|(1 << REFS1);
 ADCSRA |= (1<<ADEN)|(1 << ADATE)|(1<<ADSC)|(1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0);
sei();
}

void loop(){
  long u=0;
  for(int n=0;n<10;n++){
    while((ADCSRA & (1 << ADIF)) == 0);
     int u_data = (ADCL|ADCH << 8);
     u += u_data;delay(100);
     }
     
     u=u/10;
     tm_print(1100*u/1023,3,5);
  }

void tm_dec(byte dig){
       for(byte i = 0; i < 8; i++) {
         DDRB |= (1 << CLK);del();
       if (dig & 0x01)
         DDRB &= ~(1 << DIO);
       else
         DDRB |= (1 << DIO);del();
         DDRB &= ~(1 << CLK);del();
         dig = dig >> 1;
  }
         DDRB |= (1 << CLK);
         DDRB &= ~(1 << DIO);del();
         DDRB &= ~(1 << CLK);del();
 
       if (((PINB >> DIO) & 1) == 0)
         DDRB |= (1 << DIO);del();
         DDRB |= (1 << CLK);del();
  }  
 
void tm_stop(){
         DDRB |= (1 << DIO);del();
         DDRB &= ~(1 << CLK);del();
         DDRB &= ~(1 << DIO);del();
  }  
 
void tm_start(){
         DDRB |= (1 << DIO);del();
  }
 
void tm_print(int t, byte pd_t, int br){
        tm_start();tm_dec(0b10001000 + br);//tm_stop();tm_start();
        tm_dec(0x40);tm_stop();tm_start();
 
        int data0 = t / 1000 % 10;
        int data1 = t / 100 % 10;
        int data2 = t / 10 % 10;
        int data3 = t % 10;
 
      for(byte n = 0; n < 4; n++){
        int data;
      switch(n){
        case 0: data = data0;break;
        case 1: data = data1;break;
        case 2: data = data2;break;
        case 3: data = data3;break;
        }
 
      switch(data){    // XGFEDCBA
        case 0:  data = 0b00111111;break;     // 0
        case 1:  data = 0b00000110;break;     // 1
        case 2:  data = 0b01011011;break;     // 2
        case 3:  data = 0b01001111;break;     // 3
        case 4:  data = 0b01100110;break;     // 4
        case 5:  data = 0b01101101;break;     // 5
        case 6:  data = 0b01111101;break;     // 6
        case 7:  data = 0b00000111;break;     // 7
        case 8:  data = 0b01111111;break;     // 8
        case 9:  data = 0b01101111;break;     // 9
        case 10: data = 0b00000000;break;     // пусто
        case 11: data = 0b01000000;break;     // -
        }
 
        if(n == 0){data0 = data;}
        if(n == 1){data1 = data;}
        if(n == 2){data2 = data;}
        if(n == 3){data3 = data;}
        }
      switch(pd_t){
        case 1 : data2 = data2+0b10000000;break;
        case 2 : data1 = data1+0b10000000;break;
        case 3 : data0 = data0+0b10000000;break;
        }
      tm_dec(0xC0);tm_dec(data0);tm_dec(data1);tm_dec(data2);tm_dec(data3);tm_stop();
}  
 
void del(){delay(1);} 

#define CLK  PB2 // TM1637
#define DIO  PB1 // TM1637

// INPUT PB3 PB4

void setup(){
cli();
 ADMUX |= (1 << MUX2)|(1 << MUX1)|(1 << REFS1);
 ADCSRA |= (1<<ADEN)|(1 << ADATE)|(1<<ADSC)|(1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0);
 ADCSRB |= (1 << 7);
sei();
}

void loop(){
     long u=0;
     unsigned int u_data,pol;
     int k0 = 35;// kall 0
     
  for(int n=0;n<10;n++){
   while((ADCSRA & (1 << ADIF)) == 0);    
     u_data = (ADCL|ADCH << 8);
     u += u_data;
     delay(100);
  }
   u=u/10+k0;
   if((u>>9)==1){pol=11;u = 1023-u;}
    else{pol=10;}
   
   tm_print(110*u/512,2,pol,5);
  }

void tm_dec(byte dig){
       for(byte i = 0; i < 8; i++) {
         DDRB |= (1 << CLK);del();
       if (dig & 0x01)
         DDRB &= ~(1 << DIO);
       else
         DDRB |= (1 << DIO);del();
         DDRB &= ~(1 << CLK);del();
         dig = dig >> 1;
  }
         DDRB |= (1 << CLK);
         DDRB &= ~(1 << DIO);del();
         DDRB &= ~(1 << CLK);del();
 
       if (((PINB >> DIO) & 1) == 0)
         DDRB |= (1 << DIO);del();
         DDRB |= (1 << CLK);del();
  }  
 
void tm_stop(){
         DDRB |= (1 << DIO);del();
         DDRB &= ~(1 << CLK);del();
         DDRB &= ~(1 << DIO);del();
  }  
 
void tm_start(){
         DDRB |= (1 << DIO);del();
  }
 
void tm_print(int t, byte pd_t,int polar, int br){
        tm_start();tm_dec(0b10001000 + br);//tm_stop();tm_start();
        tm_dec(0x40);tm_stop();tm_start();
 
        int data0 = polar;
        int data1 = t / 100 % 10;
        int data2 = t / 10 % 10;
        int data3 = t % 10;
 
      for(byte n = 0; n < 4; n++){
        int data;
      switch(n){
        case 0: data = data0;break;
        case 1: data = data1;break;
        case 2: data = data2;break;
        case 3: data = data3;break;
        }
 
      switch(data){    // XGFEDCBA
        case 0:  data = 0b00111111;break;     // 0
        case 1:  data = 0b00000110;break;     // 1
        case 2:  data = 0b01011011;break;     // 2
        case 3:  data = 0b01001111;break;     // 3
        case 4:  data = 0b01100110;break;     // 4
        case 5:  data = 0b01101101;break;     // 5
        case 6:  data = 0b01111101;break;     // 6
        case 7:  data = 0b00000111;break;     // 7
        case 8:  data = 0b01111111;break;     // 8
        case 9:  data = 0b01101111;break;     // 9
        case 10: data = 0b00000000;break;     // пусто
        case 11: data = 0b01000000;break;     // -
        }
 
        if(n == 0){data0 = data;}
        if(n == 1){data1 = data;}
        if(n == 2){data2 = data;}
        if(n == 3){data3 = data;}
        }
      switch(pd_t){
        case 1 : data2 = data2+0b10000000;break;
        case 2 : data1 = data1+0b10000000;break;
        case 3 : data0 = data0+0b10000000;break;
        }
      tm_dec(0xC0);tm_dec(data0);tm_dec(data1);tm_dec(data2);tm_dec(data3);tm_stop();
}  
 
void del(){delay(1);}