title: how to configure CKDIV8 fuse on AVR programming
body: <p>I use atmega168a and configure fuse on Tools > device programming > AVR dragon > fuses > (click on) CKDIV8 to set it to 8 MHz internal clock.</p>
  
  <p>what piece of code do I need to add to my C code to be able to set that fuse?</p>