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EESchema Schematic File Version 4
LIBS:PinLock-cache
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 4
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:Conn_01x08_Female J?
U 1 1 5DDED974
P 5200 1900
F 0 "J?" V 5250 1450 50 0000 L CNN
F 1 "Conn_01x08_Female" V 5250 1650 50 0000 L CNN
F 2 "" H 5200 1900 50 0001 C CNN
F 3 "~" H 5200 1900 50 0001 C CNN
1 5200 1900
0 -1 -1 0
$EndComp
Text HLabel 3450 3000 0 50 BiDi ~ 0
VCC
Text HLabel 3450 5250 0 50 BiDi ~ 0
GND
Text HLabel 3450 4650 0 50 Input ~ 0
CLK
$Comp
L 74xx:74HC164 U?
U 1 1 5DCCE5D7
P 4400 3850
F 0 "U?" H 4650 4300 50 0000 C CNN
F 1 "74HC164" H 4150 4300 50 0000 C CNN
F 2 "" H 5300 3550 50 0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT164.pdf" H 5300 3550 50 0001 C CNN
1 4400 3850
1 0 0 -1
$EndComp
Text HLabel 3450 3850 0 50 Input ~ 0
ROWS
Wire Wire Line
4800 3550 4900 3550
Wire Wire Line
4800 3650 5000 3650
Wire Wire Line
4800 3750 5100 3750
Wire Wire Line
4800 3850 5200 3850
Wire Wire Line
4400 5250 5800 5250
Wire Wire Line
4400 3000 5800 3000
Connection ~ 4400 3000
Wire Wire Line
4000 4150 3900 4150
Wire Wire Line
4000 3950 3900 3950
Wire Wire Line
3900 3950 3900 3850
Wire Wire Line
3900 3850 4000 3850
Wire Wire Line
4000 3650 3900 3650
Wire Wire Line
3900 3650 3900 3000
Wire Wire Line
3900 3000 4400 3000
Wire Wire Line
5300 3650 6100 3650
Wire Wire Line
5400 3750 6100 3750
Wire Wire Line
5500 3850 6100 3850
Wire Wire Line
5600 3950 6100 3950
Text HLabel 7100 3550 2 50 Output ~ 0
COLUMNS
NoConn ~ 4800 3950
NoConn ~ 4800 4050
NoConn ~ 4800 4150
NoConn ~ 4800 4250
NoConn ~ 6100 4350
NoConn ~ 6100 4250
NoConn ~ 6100 4150
NoConn ~ 6100 4050
NoConn ~ 6100 3550
$Comp
L 74xx:74LS166 U?
U 1 1 5DCEF9EB
P 6600 4250
F 0 "U?" H 6850 5100 50 0000 L CNN
F 1 "74LS166" H 6200 5100 50 0000 L CNN
F 2 "" H 6600 4250 50 0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74LS166" H 6600 4250 50 0001 C CNN
1 6600 4250
1 0 0 -1
$EndComp
Wire Wire Line
3900 4150 3900 4650
Wire Wire Line
3900 4650 6100 4650
Wire Wire Line
6100 4950 6000 4950
Wire Wire Line
6000 4950 6000 5250
Connection ~ 6000 5250
Wire Wire Line
6000 5250 6600 5250
Wire Wire Line
6100 4750 6000 4750
Wire Wire Line
6000 4750 6000 4950
Connection ~ 6000 4950
Text HLabel 3450 4550 0 50 Input ~ 0
LOAD
$Comp
L Device:C C?
U 1 1 5DE94356
P 3650 3550
F 0 "C?" H 3765 3596 50 0000 L CNN
F 1 "C" H 3765 3505 50 0000 L CNN
F 2 "" H 3688 3400 50 0001 C CNN
F 3 "~" H 3650 3550 50 0001 C CNN
1 3650 3550
1 0 0 -1
$EndComp
$Comp
L Device:C C?
U 1 1 5DE96BB8
P 5800 4200
F 0 "C?" H 5915 4246 50 0000 L CNN
F 1 "C" H 5915 4155 50 0000 L CNN
F 2 "" H 5838 4050 50 0001 C CNN
F 3 "~" H 5800 4200 50 0001 C CNN
1 5800 4200
1 0 0 -1
$EndComp
Wire Wire Line
5800 4350 5800 5250
Connection ~ 5800 5250
Wire Wire Line
5800 5250 6000 5250
Wire Wire Line
3450 3000 3650 3000
Connection ~ 3900 3000
Wire Wire Line
3450 5250 3650 5250
Connection ~ 4400 5250
Wire Wire Line
4400 4450 4400 5250
Wire Wire Line
4400 3000 4400 3350
Wire Wire Line
6600 3000 6600 3250
Wire Wire Line
5800 4050 5800 3000
Connection ~ 5800 3000
Wire Wire Line
5800 3000 6600 3000
Wire Wire Line
3650 3400 3650 3000
Connection ~ 3650 3000
Wire Wire Line
3650 3000 3900 3000
Wire Wire Line
3650 3700 3650 5250
Connection ~ 3650 5250
Wire Wire Line
3650 5250 4400 5250
Wire Wire Line
3450 4650 3900 4650
Connection ~ 3900 4650
Wire Wire Line
3450 4550 6100 4550
Wire Wire Line
3450 3850 3900 3850
Connection ~ 3900 3850
Wire Wire Line
5600 2100 5600 3950
Wire Wire Line
5500 2100 5500 3850
Wire Wire Line
5400 2100 5400 3750
Wire Wire Line
5300 2100 5300 3650
Wire Wire Line
5200 2100 5200 3850
Wire Wire Line
5100 2100 5100 3750
Wire Wire Line
5000 2100 5000 3650
Wire Wire Line
4900 2100 4900 3550
$EndSCHEMATC
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