Looks like you do:- http://arduino.cc/en/Tutorial/ArduinoToBreadboard It will need to have the Audrino bootloader installed to upload the Sketch program that Farhan has written via the serial port. Methinks... > And do I need a bootloader? or is that already included in the > code Farhan wrote. I have all the parts except the main chip and the > Si570, which I can get from Digi-key for 13 bucks. Jerry > >