mill_time = millis();
PWM_time= millis();
if (mill_time % 1000 >= 0 && mill_time_last != (mill_time / 1000)) {
mill_time_last = mill_time / 1000;
sign++;
if (sign > 10)sign = 0;
}
if (PWM_time % 100 >= 0 && PWM_time_last != (PWM_time / 100)) {
PWM_time_last = PWM_time / 100;
pwm_sign++;
analogWrite(SMG_PWM,pwm_sign);
if(pwm_sign>=240)pwm_sign=0;
}