Wednesday, October 8, 2008
Setting up AVR studio for ATTiny85 (or ATTiny45 / ATTiny25) using the Atmel STK500 programmer
Software used: AVR studio
(Click here to get AVR Studio)
After starting up AVR studio, press the connect button. 
Select the “STK500” option and “Auto” port selection. Then press connect
Then In the “Main” tab, select the ATTiny85 as Device.
Set Programming mode to “ISP mode” and press “Read signature”
If everything is set up OK, then you should see the following output:
Entering programming mode.. OK!
Reading signature .. 0×1E, 0×93, 0×0B .. OK!
Leaving programming mode.. OK!
Now you’re ready to start programming the ATTiny using the STK500