EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:Q_NPN_BCE Q?
U 1 1 5E7D10C5
P 3200 3100
F 0 "Q?" H 3391 3146 50  0000 L CNN
F 1 "Q_NPN_BCE" H 3391 3055 50  0000 L CNN
F 2 "" H 3400 3200 50  0001 C CNN
F 3 "~" H 3200 3100 50  0001 C CNN
	1    3200 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5E7D293B
P 3300 3650
F 0 "R?" H 3370 3696 50  0000 L CNN
F 1 "R" H 3370 3605 50  0000 L CNN
F 2 "" V 3230 3650 50  0001 C CNN
F 3 "~" H 3300 3650 50  0001 C CNN
	1    3300 3650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5E7D380D
P 3300 3950
F 0 "#PWR?" H 3300 3700 50  0001 C CNN
F 1 "GND" H 3305 3777 50  0000 C CNN
F 2 "" H 3300 3950 50  0001 C CNN
F 3 "" H 3300 3950 50  0001 C CNN
	1    3300 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 3800 3300 3950
Wire Wire Line
	3300 3300 3300 3500
$Comp
L Device:R R?
U 1 1 5E7DA7D1
P 4050 2900
F 0 "R?" H 4120 2946 50  0000 L CNN
F 1 "R" H 4120 2855 50  0000 L CNN
F 2 "" V 3980 2900 50  0001 C CNN
F 3 "~" H 4050 2900 50  0001 C CNN
	1    4050 2900
	0    1    1    0   
$EndComp
Wire Wire Line
	3300 2900 3900 2900
Connection ~ 3300 2900
Wire Wire Line
	4200 3700 4200 3850
$Comp
L power:GND #PWR?
U 1 1 5E7D5243
P 4200 3850
F 0 "#PWR?" H 4200 3600 50  0001 C CNN
F 1 "GND" H 4205 3677 50  0000 C CNN
F 2 "" H 4200 3850 50  0001 C CNN
F 3 "" H 4200 3850 50  0001 C CNN
	1    4200 3850
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5E7D523D
P 4200 3550
F 0 "R?" H 4270 3596 50  0000 L CNN
F 1 "R" H 4270 3505 50  0000 L CNN
F 2 "" V 4130 3550 50  0001 C CNN
F 3 "~" H 4200 3550 50  0001 C CNN
	1    4200 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 3100 4200 3400
Wire Wire Line
	3300 2450 3300 2900
$Comp
L power:+3.3V #PWR?
U 1 1 5E7E1227
P 3300 2450
F 0 "#PWR?" H 3300 2300 50  0001 C CNN
F 1 "+3.3V" H 3315 2623 50  0000 C CNN
F 2 "" H 3300 2450 50  0001 C CNN
F 3 "" H 3300 2450 50  0001 C CNN
	1    3300 2450
	1    0    0    -1  
$EndComp
$Comp
L Isolator:NSL-32 U?
U 1 1 5E7E19F5
P 4500 3000
F 0 "U?" H 4500 3317 50  0000 C CNN
F 1 "NSL-32" H 4500 3226 50  0000 C CNN
F 2 "OptoDevice:Luna_NSL-32" H 4500 2700 50  0001 C CNN
F 3 "http://lunainc.com/wp-content/uploads/2016/06/NSL-32.pdf" H 4550 3000 50  0001 C CNN
	1    4500 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4800 3700 4800 3850
$Comp
L power:GND #PWR?
U 1 1 5E7E4D9C
P 4800 3850
F 0 "#PWR?" H 4800 3600 50  0001 C CNN
F 1 "GND" H 4805 3677 50  0000 C CNN
F 2 "" H 4800 3850 50  0001 C CNN
F 3 "" H 4800 3850 50  0001 C CNN
	1    4800 3850
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5E7E4DA2
P 4800 3550
F 0 "R?" H 4870 3596 50  0000 L CNN
F 1 "R" H 4870 3505 50  0000 L CNN
F 2 "" V 4730 3550 50  0001 C CNN
F 3 "~" H 4800 3550 50  0001 C CNN
	1    4800 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	4800 3100 4800 3400
$Comp
L power:+24V #PWR?
U 1 1 5E7E3204
P 4850 2650
F 0 "#PWR?" H 4850 2500 50  0001 C CNN
F 1 "+24V" H 4865 2823 50  0000 C CNN
F 2 "" H 4850 2650 50  0001 C CNN
F 3 "" H 4850 2650 50  0001 C CNN
	1    4850 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 2650 4850 2900
Wire Wire Line
	4850 2900 4800 2900
$EndSCHEMATC