Basically done with stepper driver

SaMcam_shield/SaMcam.lib

@@ -35,7 +35,7 @@ X OB1 30 600 400 100 L 50 50 0 0 w
 X BRB 32 600 500 100 L 50 50 0 0 w
 X PAD 33 -100 -800 100 U 50 50 0 0 P
 X NC 4 -600 400 100 R 50 50 0 0 P N
-X ~ENN 5 -600 200 100 R 50 50 0 0 I
+X ~EN 5 -600 200 100 R 50 50 0 0 I
 X GND 6 -600 100 100 R 50 50 0 0 P
 X CPO 7 -600 0 100 R 50 50 0 0 P
 X CPI 8 -600 -100 100 R 50 50 0 0 P

SaMcam_shield/SaMcam_shield.sch

@@ -3,7 +3,7 @@ EELAYER 30 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 1 2
+Sheet 1 3
 Title ""
 Date ""
 Rev ""
@@ -14,9 +14,75 @@ Comment3 ""
 Comment4 ""
 $EndDescr
 $Sheet
-S 3000 2000 2000 800 
+S 3000 2000 1000 700 
 U 60355F25
-F0 "Motor Drivers" 50
-F1 "motor_drivers.sch" 50
+F0 "Motor driver 0" 50
+F1 "motor_driver.sch" 50
+F2 "~PDN_UART" B L 3000 2100 50 
+F3 "DIAG" O L 3000 2200 50 
+F4 "~EN" I L 3000 2300 50 
+F5 "STEP" I L 3000 2400 50 
+F6 "DIR" I L 3000 2500 50 
+F7 "VREF_OVR" I L 3000 2600 50 
+F8 "OA1" O R 4000 2100 50 
+F9 "OA2" O R 4000 2200 50 
+F10 "OB1" O R 4000 2500 50 
+F11 "OB2" O R 4000 2600 50 
 $EndSheet
+NoConn ~ 9850 1100
+Text Label 9250 1500 0    50   ~ 0
+OB2_0
+Text Label 9250 1400 0    50   ~ 0
+OA2_0
+Wire Wire Line
+	9250 1300 9850 1300
+Text Label 9250 1200 0    50   ~ 0
+OA1_0
+Wire Wire Line
+	9250 1500 9850 1500
+Text Label 9250 1300 0    50   ~ 0
+OB1_0
+Wire Wire Line
+	9850 1400 9250 1400
+Wire Wire Line
+	9850 1200 9250 1200
+$Comp
+L Connector:Conn_01x05_Male J?
+U 1 1 60A9936A
+P 10050 1300
+AR Path="/60355F25/60A9936A" Ref="J?"  Part="1" 
+AR Path="/60A88316/60A9936A" Ref="J?"  Part="1" 
+AR Path="/60A9936A" Ref="J?"  Part="1" 
+F 0 "J?" H 10022 1232 50  0000 R CNN
+F 1 "Conn_01x05_Male" H 10022 1323 50  0000 R CNN
+F 2 "Connector_JST:JST_XH_S5B-XH-A_1x05_P2.50mm_Horizontal" H 10050 1300 50  0001 C CNN
+F 3 "http://www.jst-mfg.com/product/pdf/eng/eXH.pdf" H 10050 1300 50  0001 C CNN
+F 4 "455-2242-ND" H 10050 1300 50  0001 C CNN "Digikey"
+	1    10050 1300
+	-1   0    0    1   
+$EndComp
+Text Label 4300 2100 2    50   ~ 0
+OA1_0
+Text Label 4300 2200 2    50   ~ 0
+OA2_0
+Wire Wire Line
+	4000 2100 4300 2100
+Wire Wire Line
+	4000 2200 4300 2200
+Text Label 4300 2500 2    50   ~ 0
+OB1_0
+Text Label 4300 2600 2    50   ~ 0
+OB2_0
+Wire Wire Line
+	4000 2500 4300 2500
+Wire Wire Line
+	4000 2600 4300 2600
+Text Notes 9600 1200 0    50   ~ 0
+orange
+Text Notes 9600 1300 0    50   ~ 0
+yellow
+Text Notes 9600 1400 0    50   ~ 0
+pink
+Text Notes 9600 1500 0    50   ~ 0
+blue
 $EndSCHEMATC