
IC1		7805 +5VDC regulator
IC2		ATMEGA 168P or 328P microprocessor (socketed)
R1		Any size near 10K
R2		Any size near 10K
R3		1K
VR1		Any linear potentiometer >~1Kohm, I used 5K trimpot
C1		470uF 25V (size not critical)
C2		47uF 16V (size not critical)
C3		100uF 25V (size not critical)
Q1		IRL540N or equiv logic-level MOSFET with heatsink
Y1		16Mhz ceramic resonator
FAN1 	Any small ~12V DC fan from your junkbox

The gerber file is for terminal blocks with 5mm pin spacing
