H-Bridge Motor Driver Parts List
Name		Discription	
Q1,Q3,Q5,Q7	NPN Darlington Transistor TIP122 or two PN2222A (connected as a darlington pair)
Q2,Q4,Q6,Q8	PNP Darlington Transistor TIP125 or two PN2907A (connected as a darlington pair)
D1-D8	 	1N4148 Diode
R1-R4		1.3k 1/4w resistor


Truth Table:
Input		Output
A1  B1		A2   B2
L   L	None	L    L
L   H   CW	L    H
H   L 	CCW	H    L
H   H   None    H    H