Autostart python program at boot time in raspberry pi

 

1.  Save your program which has to be execute  in boot time at   home/pi 
2. Go to terminal box and enter the command 

   sudo nano /etc/rc.local

3. Enter the program  name using following command. Be sure to leave the line exit 0 at the end,

   sudo python /home/pi/your_program_name.py 

   For example  
   
   

4.   To save and exit by pressing Ctrl+X, " Y", ENTER
5.  Test it out. In the terminal type           sudo reboot     press"Enter"