uint8_t MSB[]={0x4B,0x28,0x00,0x00,0xF3,0xF3,0xFF,0xEF};
uint8_t LSB[]={0x00,0x00,0x20,0x00,0x80,0xFF,0xE0,0xE0};

void setup() {
  Serial.begin(9600);
  for (int i = 0; i<8; i++){
    uint16_t waarde_unsigned = MSB[i]*256 + LSB[i];
    Serial.println(waarde_unsigned,BIN);
    
    uint16_t waarde_signed = waarde_unsigned >> 3;
    Serial.println(waarde_signed,BIN);
    Serial.println(waarde_signed,HEX);
    
    int teken = (MSB[i] & 0x80) >> 7;
    
    if(teken == 0){
      float temp = waarde_signed * 0.0625;
      Serial.print("positief: ");
      Serial.println(temp, 4);
    }
    else{
      uint16_t comp = (waarde_signed + 1) & 0x1FFF;
      Serial.println(comp, BIN);
      float temp = -(comp * 0.0625);
      Serial.print("negatief: ");
      Serial.println(temp, 4);
    }

    Serial.println();
  }
}

void loop() {
  
}