title: Attiny85 EEPROM erase, after power lost
body: <p>my Attiny85 losts the whole EEPROM data, if I turn the power of.
  I use the Arduino IDE and I'm sure, that The EEPROM was wrote, because I get Serial feedback. Here my code:</p>
  
  <pre><code>#include &lt;EEPROM.h&gt;
  #include &lt;SoftwareSerial.h&gt;
  
  SoftwareSerial SSerial(0, 1);
  
  int addr = 0;
  uint8_t val = 2;
  
  void setup()
  {
    SSerial.begin(9600);
  }
  
  void loop()
  {
    EEPROM.write(addr, val);
  
    delay(100);
  
    uint8_t value = EEPROM.read(addr);
  
    SSerial.print(addr);
    SSerial.print("\t");
    SSerial.print(value, DEC);
    SSerial.println();
  
    addr = addr + 1;
    if (addr == 512)
      while(1);
  }
  </code></pre>
  
  <p>Thank you :)</p>