i2ctemp.pdf       -- circuit diagram
Ntcformula.gif    -- ntc temperature formula
i2ctemp.sch       -- circuit diagram as gschem/gEDA file 
i2ctemppcb.net    -- netlist for pcb
i2ctemppcb.pcb    -- pcb file (see http://pcb.sourceforge.net/)
i2ctemppcb_topview.pdf      -- layout of final PCB
i2ctemppcb_topview_position_components.png  -- PCB layout with components "how
                                               to place the different components"

Symbol files for gschem:
vccarrow-1.sym     -- Vcc +5V symbol
ATMEGA-8DIP_ph.sym -- Atmega 8 with correct physical layout
