L293 Quadruple Half H Motor Driver

wiring diagram for L293d Stepper Motor Driver

http://www.ti.com/lit/ds/symlink/l293.pdf

Rewired to allow for the isolation of mouth

pin	L293d	L293d	pin
+5v	1,2 enable	v1	+5v
signal from op amp TL082	1 in	4 in	GPIO 7 - fishHEAD
MOUTH to fish	1 out	4 out	HEAD OUT to fish
gnd	GND	GND	gnd
gnd	GND	GND	gnd
	2 out	3 out	TAIL to fish
GPIO 13 - fishMOUTH	2 in	3 in	GPIO 11 - fishTAIL
+12v	v2	3,4 enable	Rpi Board 18 - PWM