void TmInit(void) {
  if (PinUsed(GPIO_TM1638CLK) && PinUsed(GPIO_TM1638DIO) && PinUsed(GPIO_TM1638STB)) {
    Tm1638.clock_pin = Pin(GPIO_TM1638CLK);
    Tm1638.data_pin = Pin(GPIO_TM1638DIO);
    Tm1638.strobe_pin = Pin(GPIO_TM1638STB);

    pinMode(Tm1638.data_pin, OUTPUT);
    pinMode(Tm1638.clock_pin, OUTPUT);
    pinMode(Tm1638.strobe_pin, OUTPUT);

    digitalWrite(Tm1638.strobe_pin, HIGH);
    digitalWrite(Tm1638.clock_pin, HIGH);

    // TM_WRITE_INC  0x40 - Incremental write
    Tm16XXSendCommand(0x40);
    // TM_BRIGHT_ADR 0x88 - Brightness address
    Tm16XXSendCommand(0x80 | TM1638_DISPLAY_ON << 3 | TM1638_BRIGHTNESS);

    // TM_SEG_ADR   0xC0  - leftmost segment Address C0 C2 C4 C6 C8 CA CC CE
    // TM_LEDS_ADR  0xC1  - Leftmost LED address C1 C3 C5 C7 C9 CB CD CF
    digitalWrite(Tm1638.strobe_pin, LOW);
    Tm16XXSend(0xC0);                         // TM_SEG_ADR left most
    for (uint32_t i = 0; i < TM1638_MAX_DISPLAYS * 2; i++) {
      Tm16XXSend(0x00);                       // Init displays and leds
    }
    digitalWrite(Tm1638.strobe_pin, HIGH);

/* ------- Romik ------- Init Second TM1638 -------------- */

    pinMode(5, OUTPUT); // ----------------- SW PIN D5
    digitalWrite(5, HIGH);

 // TM_WRITE_INC  0x40 - Incremental write
    Tm16XXSendCommand(0x40);
    // TM_BRIGHT_ADR 0x88 - Brightness address
    Tm16XXSendCommand(0x80 | TM1638_DISPLAY_ON << 3 | TM1638_BRIGHTNESS);

    // TM_SEG_ADR   0xC0  - leftmost segment Address C0 C2 C4 C6 C8 CA CC CE
    // TM_LEDS_ADR  0xC1  - Leftmost LED address C1 C3 C5 C7 C9 CB CD CF
    digitalWrite(Tm1638.strobe_pin, LOW);
    Tm16XXSend(0xC0);                         // TM_SEG_ADR left most
    for (uint32_t i = 0; i < TM1638_MAX_DISPLAYS * 2; i++) {
      Tm16XXSend(0x00);                       // Init displays and leds
    }
    digitalWrite(Tm1638.strobe_pin, HIGH);

    digitalWrite(5,LOW);

/* ------------------------------------------------------- */

    Tm1638.led_offset = TasmotaGlobal.devices_present;
    UpdateDevicesPresent(TM1638_MAX_LEDS);
    Tm1638.key_offset = -1;
    Tm1638.detected = true;
  }
}