LC-1/pcb/RevA/lc1.sch

EESchema Schematic File Version 4
LIBS:lc1-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L electropepper_kicad:DS3231MZ+ U?
U 1 1 5B42329D
P 9500 5550
F 0 "U?" H 9200 5900 50  0000 L BNN
F 1 "DS3231MZ+" H 9450 5150 50  0000 L BNN
F 2 "SOIC8_150MIL" H 9500 5250 50  0001 L BNN
F 3 "Maxim Integrated" H 9500 5250 50  0001 L BNN
F 4 "DS3231MZ+" H 9500 5250 50  0001 L BNN "Field4"
F 5 "5.10 USD" H 9500 5250 50  0001 L BNN "Field5"
F 6 "Good" H 9500 5250 50  0001 L BNN "Field6"
F 7 "SOIC-8 Maxim Integrated" H 9500 5250 50  0001 L BNN "Field7"
F 8 "Real Time Clock Serial-I2C +/-5ppm SOIC8" H 9500 5250 50  0001 L BNN "Field8"
	1    9500 5550
	1    0    0    -1  
$EndComp
$Comp
L lc1-rescue:ATMEGA328P-AU U?
U 1 1 5B423AB2
P 6500 4050
F 0 "U?" H 5750 5300 50  0000 L BNN
F 1 "ATMEGA328P-AU" H 6750 2650 50  0000 L BNN
F 2 "Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm" H 6500 4050 50  0001 C CIN
F 3 "" H 6500 4050 50  0001 C CNN
	1    6500 4050
	1    0    0    -1  
$EndComp
$Comp
L electropepper_kicad:LCD16X2-4Bit DS?
U 1 1 5B424164
P 9850 1150
F 0 "DS?" H 9250 1550 50  0000 C CNN
F 1 "LCD16X2-4Bit" H 10200 1550 50  0000 C CNN
F 2 "WC1602A" H 9825 1100 50  0000 C CIN
F 3 "" H 10050 1150 50  0000 C CNN
	1    9850 1150
	1    0    0    -1  
$EndComp
$Comp
L electropepper_kicad:USB_OTG-Electropepper P?
U 1 1 5B424213
P 900 3950
F 0 "P?" V 1200 3950 50  0000 C CNN
F 1 "USB_OTG" V 600 3950 50  0000 C CNN
F 2 "" V 850 3850 50  0000 C CNN
F 3 "" V 850 3850 50  0000 C CNN
	1    900  3950
	0    -1   -1   0   
$EndComp
$Comp
L lc1-rescue:FT232RL U?
U 1 1 5B424F23
P 2950 4350
F 0 "U?" H 2300 5250 50  0000 L CNN
F 1 "FT232RL" H 3300 3450 50  0000 L CNN
F 2 "Housings_SSOP:SSOP-28_5.3x10.2mm_Pitch0.65mm" H 2950 4350 50  0001 C CNN
F 3 "" H 2950 4350 50  0001 C CNN
	1    2950 4350
	1    0    0    -1  
$EndComp
$Comp
L lc1-rescue:Battery_Cell BT?
U 1 1 5B45086E
P 10100 6000
F 0 "BT?" H 10200 6100 50  0000 L CNN
F 1 "Battery_Cell" H 10200 6000 50  0000 L CNN
F 2 "" V 10100 6060 50  0001 C CNN
F 3 "" V 10100 6060 50  0001 C CNN
	1    10100 6000
	1    0    0    -1  
$EndComp
$Comp
L lc1-rescue:Conn_01x02 J?
U 1 1 5B4525B9
P 4800 6150
F 0 "J?" H 4800 6250 50  0000 C CNN
F 1 "SwSensor 1" H 4800 5950 50  0000 C CNN
F 2 "" H 4800 6150 50  0001 C CNN
F 3 "" H 4800 6150 50  0001 C CNN
	1    4800 6150
	1    0    0    -1  
$EndComp
$Comp
L lc1-rescue:Conn_01x02 J?
U 1 1 5B452617
P 4800 6550
F 0 "J?" H 4800 6650 50  0000 C CNN
F 1 "SwSensor 2" H 4800 6350 50  0000 C CNN
F 2 "" H 4800 6550 50  0001 C CNN
F 3 "" H 4800 6550 50  0001 C CNN
	1    4800 6550
	1    0    0    -1  
$EndComp
$Comp
L lc1-rescue:Conn_01x02 J?
U 1 1 5B45264D
P 4800 6950
F 0 "J?" H 4800 7050 50  0000 C CNN
F 1 "SwSensor 3" H 4800 6750 50  0000 C CNN
F 2 "" H 4800 6950 50  0001 C CNN
F 3 "" H 4800 6950 50  0001 C CNN
	1    4800 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	1200 4050 2150 4050
Wire Wire Line
	2150 3950 1200 3950
$Comp
L power:GND #PWR?
U 1 1 5B453109
P 1350 4250
F 0 "#PWR?" H 1350 4000 50  0001 C CNN
F 1 "GND" H 1350 4100 50  0000 C CNN
F 2 "" H 1350 4250 50  0001 C CNN
F 3 "" H 1350 4250 50  0001 C CNN
	1    1350 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	800  3550 800  3450
Wire Wire Line
	800  3450 1350 3450
Wire Wire Line
	1350 3450 1350 3750
Wire Wire Line
	1200 3750 1350 3750
Connection ~ 1350 3750
NoConn ~ 1200 3850
NoConn ~ 1200 4150
$Comp
L lc1-rescue:Jack-DC J?
U 1 1 5B453319
P 1000 1550
F 0 "J?" H 1000 1760 50  0000 C CNN
F 1 "Jack-DC" H 1000 1375 50  0000 C CNN
F 2 "" H 1050 1510 50  0001 C CNN
F 3 "" H 1050 1510 50  0001 C CNN
	1    1000 1550
	1    0    0    -1  
$EndComp
$Comp
L lc1-rescue:C C?
U 1 1 5B453531
P 4050 4050
F 0 "C?" V 3900 4000 50  0000 L CNN
F 1 "100nF" V 4200 3950 50  0000 L CNN
F 2 "" H 4088 3900 50  0001 C CNN
F 3 "" H 4050 4050 50  0001 C CNN
	1    4050 4050
	0    1    1    0   
$EndComp
Wire Wire Line
	3750 4050 3900 4050
Wire Wire Line
	4200 4050 4600 4050
Text Label 4300 4050 0    60   ~ 0
RESET
Wire Wire Line
	7500 4400 8050 4400
Text Label 7600 4400 0    60   ~ 0
RESET
$Comp
L lc1-rescue:R R?
U 1 1 5B454063
P 8050 4200
F 0 "R?" H 8150 4350 50  0000 C CNN
F 1 "10K" H 8200 4150 50  0000 C CNN
F 2 "" V 7980 4200 50  0001 C CNN
F 3 "" H 8050 4200 50  0001 C CNN
	1    8050 4200
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5B4540AE
P 8050 4000
F 0 "#PWR?" H 8050 3850 50  0001 C CNN
F 1 "+5V" H 8050 4140 50  0000 C CNN
F 2 "" H 8050 4000 50  0001 C CNN
F 3 "" H 8050 4000 50  0001 C CNN
	1    8050 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	8050 4000 8050 4050
Connection ~ 8050 4400
Wire Wire Line
	8050 4350 8050 4400
$Comp
L lc1-rescue:Conn_02x03_Odd_Even J?
U 1 1 5B454BC3
P 7750 2200
F 0 "J?" H 7800 2400 50  0000 C CNN
F 1 "ISP" H 7800 2000 50  0000 C CNN
F 2 "" H 7750 2200 50  0001 C CNN
F 3 "" H 7750 2200 50  0001 C CNN
	1    7750 2200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5B45562A
P 7450 2400
F 0 "#PWR?" H 7450 2150 50  0001 C CNN
F 1 "GND" H 7450 2250 50  0000 C CNN
F 2 "" H 7450 2400 50  0001 C CNN
F 3 "" H 7450 2400 50  0001 C CNN
	1    7450 2400
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5B455AA0
P 7450 2000
F 0 "#PWR?" H 7450 1850 50  0001 C CNN
F 1 "+5V" H 7450 2140 50  0000 C CNN
F 2 "" H 7450 2000 50  0001 C CNN
F 3 "" H 7450 2000 50  0001 C CNN
	1    7450 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 2000 7450 2100
Wire Wire Line
	7450 2100 7550 2100
Wire Wire Line
	7550 2300 7450 2300
Wire Wire Line
	7450 2300 7450 2400
Wire Wire Line
	7550 2200 7100 2200
Text Label 7150 2200 0    60   ~ 0
RESET
Wire Wire Line
	8050 2300 8150 2300
Wire Wire Line
	8150 2300 8150 3250
Wire Wire Line
	8150 3250 7500 3250
Wire Wire Line
	8050 2200 8250 2200
Wire Wire Line
	8250 2200 8250 3350
Wire Wire Line
	8250 3350 7500 3350
Wire Wire Line
	8050 2100 8350 2100
Wire Wire Line
	8350 2100 8350 3450
Wire Wire Line
	8350 3450 7500 3450
$Comp
L lc1-rescue:POT RV?
U 1 1 5B45692A
P 8900 2000
F 0 "RV?" V 8725 2000 50  0000 C CNN
F 1 "POT" V 8800 2000 50  0000 C CNN
F 2 "" H 8900 2000 50  0001 C CNN
F 3 "" H 8900 2000 50  0001 C CNN
	1    8900 2000
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5B456D49
P 8900 1650
F 0 "#PWR?" H 8900 1500 50  0001 C CNN
F 1 "+5V" H 8900 1790 50  0000 C CNN
F 2 "" H 8900 1650 50  0001 C CNN
F 3 "" H 8900 1650 50  0001 C CNN
	1    8900 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	8900 1650 8900 1750
Wire Wire Line
	9400 1650 9400 1750
Wire Wire Line
	9400 1750 8900 1750
Connection ~ 8900 1750
$Comp
L power:GND #PWR?
U 1 1 5B456DD6
P 8900 2250
F 0 "#PWR?" H 8900 2000 50  0001 C CNN
F 1 "GND" H 8900 2100 50  0000 C CNN
F 2 "" H 8900 2250 50  0001 C CNN
F 3 "" H 8900 2250 50  0001 C CNN
	1    8900 2250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5B456E0B
P 9700 1750
F 0 "#PWR?" H 9700 1500 50  0001 C CNN
F 1 "GND" H 9700 1600 50  0000 C CNN
F 2 "" H 9700 1750 50  0001 C CNN
F 3 "" H 9700 1750 50  0001 C CNN
	1    9700 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	9700 1650 9700 1700
Wire Wire Line
	9300 1650 9300 1700
Wire Wire Line
	9300 1700 9700 1700
Connection ~ 9700 1700
Wire Wire Line
	9500 1650 9500 2000
Wire Wire Line
	9500 2000 9050 2000
$Comp
L power:GND #PWR?
U 1 1 5B4572A9
P 10400 1750
F 0 "#PWR?" H 10400 1500 50  0001 C CNN
F 1 "GND" H 10400 1600 50  0000 C CNN
F 2 "" H 10400 1750 50  0001 C CNN
F 3 "" H 10400 1750 50  0001 C CNN
	1    10400 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	10400 1650 10400 1750
Wire Wire Line
	10300 1650 10300 1700
Wire Wire Line
	10300 1700 10650 1700
Wire Wire Line
	10650 1700 10650 1600
Wire Wire Line
	8900 2150 8900 2250
$Comp
L lc1-rescue:R R?
U 1 1 5B457378
P 10650 1450
F 0 "R?" H 10750 1600 50  0000 C CNN
F 1 "220R" H 10800 1400 50  0000 C CNN
F 2 "" V 10580 1450 50  0001 C CNN
F 3 "" H 10650 1450 50  0001 C CNN
	1    10650 1450
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5B4574E6
P 10650 1200
F 0 "#PWR?" H 10650 1050 50  0001 C CNN
F 1 "+5V" H 10650 1340 50  0000 C CNN
F 2 "" H 10650 1200 50  0001 C CNN
F 3 "" H 10650 1200 50  0001 C CNN
	1    10650 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	10650 1200 10650 1300
Wire Wire Line
	10200 1650 10200 2050
Wire Wire Line
	10200 2050 10550 2050
Wire Wire Line
	10100 1650 10100 2150
Wire Wire Line
	10100 2150 10550 2150
Wire Wire Line
	10000 1650 10000 2250
Wire Wire Line
	10000 2250 10550 2250
Wire Wire Line
	9900 1650 9900 2350
Wire Wire Line
	9900 2350 10550 2350
Wire Wire Line
	9800 1650 9800 2450
Wire Wire Line
	9800 2450 10550 2450
Wire Wire Line
	9600 1650 9600 2550
Wire Wire Line
	9600 2550 10550 2550
Text Label 10300 2050 0    60   ~ 0
D7
Text Label 10300 2150 0    60   ~ 0
D6
Text Label 10300 2250 0    60   ~ 0
D5
Text Label 10300 2350 0    60   ~ 0
D4
Text Label 10300 2450 0    60   ~ 0
EN
Text Label 10300 2550 0    60   ~ 0
RS
Wire Wire Line
	7500 5250 7750 5250
Wire Wire Line
	7500 5150 7750 5150
Wire Wire Line
	7500 5050 7750 5050
Wire Wire Line
	7500 4850 7750 4850
Wire Wire Line
	7500 4750 7750 4750
Wire Wire Line
	7500 4950 7750 4950
Text Label 7600 4750 0    60   ~ 0
D4
Text Label 7600 4850 0    60   ~ 0
D5
Text Label 7600 4950 0    60   ~ 0
D6
Text Label 7600 5050 0    60   ~ 0
D7
Text Label 7600 5150 0    60   ~ 0
EN
Text Label 7600 5250 0    60   ~ 0
RS
$Comp
L power:GND #PWR?
U 1 1 5B4596A6
P 3050 5450
F 0 "#PWR?" H 3050 5200 50  0001 C CNN
F 1 "GND" H 3050 5300 50  0000 C CNN
F 2 "" H 3050 5450 50  0001 C CNN
F 3 "" H 3050 5450 50  0001 C CNN
	1    3050 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 5050 2050 5050
Wire Wire Line
	2050 5050 2050 5400
Wire Wire Line
	2050 5400 2750 5400
Wire Wire Line
	3150 5400 3150 5350
Wire Wire Line
	3050 5350 3050 5400
Connection ~ 3050 5400
Wire Wire Line
	2950 5350 2950 5400
Connection ~ 2950 5400
Wire Wire Line
	2750 5350 2750 5400
Connection ~ 2750 5400
NoConn ~ 2150 4750
NoConn ~ 2150 4550
NoConn ~ 2150 4350
NoConn ~ 3750 3850
NoConn ~ 3750 3950
NoConn ~ 3750 4150
NoConn ~ 3750 4250
NoConn ~ 3750 4350
NoConn ~ 3750 4850
NoConn ~ 3750 4950
NoConn ~ 3750 5050
$Comp
L lc1-rescue:LED D?
U 1 1 5B459BFB
P 4150 4650
F 0 "D?" H 4150 4750 50  0000 C CNN
F 1 "LED" H 4150 4550 50  0000 C CNN
F 2 "" H 4150 4650 50  0001 C CNN
F 3 "" H 4150 4650 50  0001 C CNN
	1    4150 4650
	1    0    0    -1  
$EndComp
$Comp
L lc1-rescue:LED D?
U 1 1 5B459DC0
P 4150 4950
F 0 "D?" H 4150 5050 50  0000 C CNN
F 1 "LED" H 4150 4850 50  0000 C CNN
F 2 "" H 4150 4950 50  0001 C CNN
F 3 "" H 4150 4950 50  0001 C CNN
	1    4150 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 4650 4000 4650
Wire Wire Line
	3750 4750 3900 4750
Wire Wire Line
	3900 4750 3900 4950
Wire Wire Line
	3900 4950 4000 4950
$Comp
L power:+5V #PWR?
U 1 1 5B45A27A
P 3050 3250
F 0 "#PWR?" H 3050 3100 50  0001 C CNN
F 1 "+5V" H 3050 3390 50  0000 C CNN
F 2 "" H 3050 3250 50  0001 C CNN
F 3 "" H 3050 3250 50  0001 C CNN
	1    3050 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 3250 3050 3300
Wire Wire Line
	3050 3300 2850 3300
Wire Wire Line
	2850 3300 2850 3350
Connection ~ 3050 3300
$Comp
L power:+5V #PWR?
U 1 1 5B45A5B8
P 4450 4550
F 0 "#PWR?" H 4450 4400 50  0001 C CNN
F 1 "+5V" H 4450 4690 50  0000 C CNN
F 2 "" H 4450 4550 50  0001 C CNN
F 3 "" H 4450 4550 50  0001 C CNN
	1    4450 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 4550 4450 4650
Wire Wire Line
	4450 4950 4300 4950
Wire Wire Line
	4300 4650 4450 4650
Connection ~ 4450 4650
Wire Wire Line
	3750 3750 4750 3750
Wire Wire Line
	4750 3750 4750 5600
Wire Wire Line
	4750 5600 7950 5600
Wire Wire Line
	7950 5600 7950 4650
Wire Wire Line
	7950 4650 7500 4650
Wire Wire Line
	7500 4550 8050 4550
Wire Wire Line
	8050 4550 8050 5700
Wire Wire Line
	8050 5700 4850 5700
Wire Wire Line
	4850 5700 4850 3650
Wire Wire Line
	4850 3650 3750 3650
$Comp
L lc1-rescue:C C?
U 1 1 5B45BAB0
P 1800 4350
F 0 "C?" H 1700 4250 50  0000 L CNN
F 1 "100nF" H 1550 4450 50  0000 L CNN
F 2 "" H 1838 4200 50  0001 C CNN
F 3 "" H 1800 4350 50  0001 C CNN
	1    1800 4350
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5B45BD60
P 1800 4600
F 0 "#PWR?" H 1800 4350 50  0001 C CNN
F 1 "GND" H 1800 4450 50  0000 C CNN
F 2 "" H 1800 4600 50  0001 C CNN
F 3 "" H 1800 4600 50  0001 C CNN
	1    1800 4600
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 3650 1800 3650
Wire Wire Line
	1800 3650 1800 4200
Wire Wire Line
	1800 4500 1800 4600
$Comp
L power:GND #PWR?
U 1 1 5B45C0C5
P 5500 5350
F 0 "#PWR?" H 5500 5100 50  0001 C CNN
F 1 "GND" H 5500 5200 50  0000 C CNN
F 2 "" H 5500 5350 50  0001 C CNN
F 3 "" H 5500 5350 50  0001 C CNN
	1    5500 5350
	1    0    0    -1  
$EndComp
Wire Wire Line
	5500 5050 5500 5150
Wire Wire Line
	5500 5050 5600 5050
Wire Wire Line
	5600 5150 5500 5150
Connection ~ 5500 5150
Wire Wire Line
	5600 5250 5500 5250
Connection ~ 5500 5250
$Comp
L lc1-rescue:C C?
U 1 1 5B45C768
P 5450 3800
F 0 "C?" H 5550 3700 50  0000 L CNN
F 1 "100nF" H 5200 3900 50  0000 L CNN
F 2 "" H 5488 3650 50  0001 C CNN
F 3 "" H 5450 3800 50  0001 C CNN
	1    5450 3800
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5B45CA17
P 5450 4050
F 0 "#PWR?" H 5450 3800 50  0001 C CNN
F 1 "GND" H 5450 3900 50  0000 C CNN
F 2 "" H 5450 4050 50  0001 C CNN
F 3 "" H 5450 4050 50  0001 C CNN
	1    5450 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 3550 5450 3550
Wire Wire Line
	5450 3550 5450 3650
Wire Wire Line
	5450 3950 5450 4050
$Comp
L lc1-rescue:C C?
U 1 1 5B45D000
P 5150 2950
F 0 "C?" V 5300 2950 50  0000 L CNN
F 1 "100nF" V 5000 2800 50  0000 L CNN
F 2 "" H 5188 2800 50  0001 C CNN
F 3 "" H 5150 2950 50  0001 C CNN
	1    5150 2950
	0    -1   -1   0   
$EndComp
$Comp
L power:+5V #PWR?
U 1 1 5B45D216
P 5450 2800
F 0 "#PWR?" H 5450 2650 50  0001 C CNN
F 1 "+5V" H 5450 2940 50  0000 C CNN
F 2 "" H 5450 2800 50  0001 C CNN
F 3 "" H 5450 2800 50  0001 C CNN
	1    5450 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	5450 3250 5600 3250
Wire Wire Line
	5450 2800 5450 2950
Wire Wire Line
	5300 2950 5450 2950
Connection ~ 5450 2950
Wire Wire Line
	5600 3050 5450 3050
Connection ~ 5450 3050
$Comp
L power:GND #PWR?
U 1 1 5B45D629
P 4900 3050
F 0 "#PWR?" H 4900 2800 50  0001 C CNN
F 1 "GND" H 4900 2900 50  0000 C CNN
F 2 "" H 4900 3050 50  0001 C CNN
F 3 "" H 4900 3050 50  0001 C CNN
	1    4900 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 2950 4900 2950
Wire Wire Line
	4900 2950 4900 3050
Wire Wire Line
	7500 4200 7850 4200
Wire Wire Line
	7500 4300 7850 4300
Text Label 7600 4200 0    60   ~ 0
SDA
Text Label 7600 4300 0    60   ~ 0
SDL
NoConn ~ 5600 4300
NoConn ~ 5600 4400
Wire Wire Line
	1350 3750 1350 4250
Wire Wire Line
	8050 4400 8150 4400
Wire Wire Line
	8900 1750 8900 1850
Wire Wire Line
	9700 1700 9700 1750
Wire Wire Line
	3050 5400 3150 5400
Wire Wire Line
	3050 5400 3050 5450
Wire Wire Line
	2950 5400 3050 5400
Wire Wire Line
	2750 5400 2950 5400
Wire Wire Line
	3050 3300 3050 3350
Wire Wire Line
	4450 4650 4450 4950
Wire Wire Line
	5500 5150 5500 5250
Wire Wire Line
	5500 5250 5500 5350
Wire Wire Line
	5450 2950 5450 3050
Wire Wire Line
	5450 2950 5600 2950
Wire Wire Line
	5450 3050 5450 3250
$EndSCHEMATC