tm1628_demo.ino

const int dataPin = 9;   // VDIO
const int clockPin = 8;  // VCLK
const int strobePin = 7; // VSTR

const int intensity = 7; // яркость 0-7

unsigned char segments[ 10 ] = {
  0b00111111 ,
  0b00000110 ,
    0b01011011 ,
    0b01001111 ,
  0b01100110 ,
  0b01101101 ,
    0b01111101 ,
    0b00000111 ,
  0b01111111 ,
  0b01101111 }; // цифры от 0 до 9 на 7-сегментном дисплее

unsigned char karika[ 6 ] = {
  0b00000010,
  0b00000100,
  0b00010000,
  0b00001000,
    0b01000000,
    0b00100000 };   // сегменты круга

unsigned char number,ciklus,i;
unsigned char charcode0;
unsigned char charcode1,charcode2;
unsigned char outchar;
unsigned char dnumber,dciklus;

void setup() {
  i = 0;
  number = 0;
  ciklus = 0;
  dnumber = 7;
  dciklus = 3;
  
  pinMode(dataPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(strobePin, OUTPUT);

  digitalWrite(strobePin, HIGH);
  digitalWrite(clockPin, HIGH);

  t_sendCommand(0x40);
  t_sendCommand(0x88 | min(7, intensity));

  digitalWrite(strobePin, LOW);
  t_send(0xC0);
  for (int i = 0; i < 14; i++) {
    t_send(0x00);
  }
  digitalWrite(strobePin, HIGH);

  digitalWrite(strobePin, LOW);
  t_send(0x03);
  digitalWrite(strobePin, HIGH);
}

void loop() {
    digitalWrite(strobePin, LOW);
    t_send( 0x40);
    digitalWrite(strobePin, HIGH);

    digitalWrite(strobePin, LOW);
    t_send( 0xC0 );

    if( (--dciklus) == 0 )
    {
        ciklus++;
        dciklus = 2;
    }
    
    if( ciklus == 6 ) ciklus = 0;
    
    charcode0 = karika[ ciklus ];
    charcode1 = segments[ (number & 0x0F) ];
    charcode2 = segments[ (number >> 4) ];

    for( i = 0 ; i < 7 ; i++ )
    {
        outchar = (( charcode2 & 0x01 ) << 2 ) | (( charcode1 & 0x01 ) << 3 ) | (( charcode0 & 0x01 ) << 6 );
        t_send( outchar );
        t_send( 0x00 );
        charcode0 >>= 1;
        charcode1 >>= 1;
        charcode2 >>= 1;
    }

    if( (--dnumber) == 0 )
    {
        number ++;
        dnumber = 7;
    }
    if( ( number & 0x0F ) == 10 ) number += 0x06;	// подсчет в 10тичной
    if( ( number >> 4 ) == 10 ) number = 0;
    
    digitalWrite(strobePin, HIGH);

    delay( 100 );

    digitalWrite(strobePin, LOW);
    
    t_send( 0x8F );
    digitalWrite(strobePin, HIGH);

    delay( 100 );
}

//functions

void t_sendCommand(byte cmd)
{
  digitalWrite(strobePin, LOW);
  t_send(cmd);
  digitalWrite(strobePin, HIGH);
}

void t_sendData(byte address, byte data)
{
  t_sendCommand(0x44);
  digitalWrite(strobePin, LOW);
  t_send(0xC0 | address);
  t_send(data);
  digitalWrite(strobePin, HIGH);
}

void t_send(byte data)
{
  for (int i = 0; i < 8; i++) {
    digitalWrite(clockPin, LOW);
    digitalWrite(dataPin, data & 1 ? HIGH : LOW);
    data >>= 1;
    digitalWrite(clockPin, HIGH);
  }
}