encoding utf-8
Sheet 1 7
Title "USB nixie tube display"
-Date ""
-Rev ""
+Date "2020-12-27"
+Rev "1"
Comp ""
Comment1 ""
-Comment2 ""
-Comment3 ""
-Comment4 ""
+Comment2 "https://github.com/jtsiomb/nixiedisp"
+Comment3 "Free hardware design. License: GNU GPLv3 (or later)"
+Comment4 "Copyright © John Tsiombikas <nuclear@member.fsf.org>"
$EndDescr
$Comp
L nixiedisp:IN14 U8
MOSI
Text Label 2150 2650 0 50 ~ 0
MISO
-Wire Wire Line
- 2050 2750 2350 2750
Text Label 2150 2750 0 50 ~ 0
SCK
$Comp
1 0 0 -1
$EndComp
Wire Wire Line
- 1700 1150 2450 1150
-Wire Wire Line
- 2450 1150 2450 2650
-Wire Wire Line
2050 2650 2450 2650
Wire Wire Line
- 1700 1250 2400 1250
-Wire Wire Line
- 2400 1250 2400 2550
-Wire Wire Line
2050 2550 2400 2550
Wire Wire Line
- 1700 1350 2350 1350
-Wire Wire Line
- 2350 1350 2350 2750
-Wire Wire Line
- 1700 1450 2000 1450
-Text Label 1750 1450 0 50 ~ 0
+ 1700 1450 1850 1450
+Text Label 1700 1450 0 50 ~ 0
~RST
-Text Label 2150 3750 0 50 ~ 0
+Text Label 2100 3750 0 50 ~ 0
~RST
$Comp
L Device:Crystal_Small Y1
1 0 0 -1
$EndComp
Wire Wire Line
- 2050 2250 3500 2250
+ 2050 2250 3700 2250
Wire Wire Line
- 3500 2250 3500 1650
+ 3700 2250 3700 1650
Wire Wire Line
- 3500 1650 3750 1650
+ 3700 1650 3750 1650
Wire Wire Line
- 2050 2350 3550 2350
+ 3600 2350 3600 4650
Wire Wire Line
- 3550 2350 3550 4650
+ 3600 4650 3750 4650
Wire Wire Line
- 3550 4650 3750 4650
+ 2050 2450 3550 2450
Wire Wire Line
- 2050 2450 3450 2450
+ 3550 2450 3550 7650
Wire Wire Line
- 3450 2450 3450 7650
-Wire Wire Line
- 3450 7650 3750 7650
+ 3550 7650 3750 7650
Text Label 2150 2250 0 50 ~ 0
CK1
Text Label 2150 2350 0 50 ~ 0
Text Label 2150 4050 0 50 ~ 0
TXD
Wire Wire Line
- 3350 3150 3350 1350
-Wire Wire Line
- 3350 1350 3750 1350
+ 3500 3150 3500 2150
Wire Wire Line
- 3350 3150 3350 4350
+ 3500 3150 3500 4350
Wire Wire Line
- 3350 4350 3750 4350
-Connection ~ 3350 3150
+ 3500 4350 3750 4350
+Connection ~ 3500 3150
Wire Wire Line
- 3350 4350 3350 7350
+ 3500 4350 3500 7350
Wire Wire Line
- 3350 7350 3750 7350
-Connection ~ 3350 4350
-Text Label 3150 3150 0 50 ~ 0
+ 3500 7350 3750 7350
+Connection ~ 3500 4350
+Text Label 3350 3150 0 50 ~ 0
SD
Wire Wire Line
3750 4450 3650 4450
3650 6850 3750 6850
Connection ~ 3750 6850
Wire Wire Line
- 2050 3150 3350 3150
+ 2050 3150 3500 3150
Wire Wire Line
2950 2800 3100 2800
Connection ~ 2950 2800
$Comp
-L Device:LED D2
-U 1 1 609F4D0B
-P 2750 4950
-F 0 "D2" V 2850 5000 50 0000 C CNN
-F 1 "LEDBOT" H 2650 5100 50 0000 C CNN
-F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2750 4950 50 0001 C CNN
-F 3 "~" H 2750 4950 50 0001 C CNN
- 1 2750 4950
- 0 -1 -1 0
-$EndComp
-$Comp
-L Device:LED D3
-U 1 1 609F5936
-P 2900 4950
-F 0 "D3" V 3000 4900 50 0000 C CNN
-F 1 "LEDTOP" H 2800 4800 50 0000 C CNN
-F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2900 4950 50 0001 C CNN
-F 3 "~" H 2900 4950 50 0001 C CNN
- 1 2900 4950
- 0 -1 -1 0
-$EndComp
-Wire Wire Line
- 2900 4800 2750 4800
-$Comp
L Device:R R6
U 1 1 60A28AF7
-P 2900 5300
-F 0 "R6" H 2850 5450 50 0000 C CNN
-F 1 "330R" V 2900 5300 50 0000 C CNN
-F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2830 5300 50 0001 C CNN
-F 3 "~" H 2900 5300 50 0001 C CNN
- 1 2900 5300
+P 2750 5000
+F 0 "R6" H 2700 5150 50 0000 C CNN
+F 1 "330R" V 2750 5000 50 0000 C CNN
+F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2680 5000 50 0001 C CNN
+F 3 "~" H 2750 5000 50 0001 C CNN
+ 1 2750 5000
-1 0 0 1
$EndComp
$Comp
L Device:R R5
U 1 1 60A29040
-P 2750 5300
-F 0 "R5" H 2850 5450 50 0000 C CNN
-F 1 "330R" V 2750 5300 50 0000 C CNN
-F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2680 5300 50 0001 C CNN
-F 3 "~" H 2750 5300 50 0001 C CNN
- 1 2750 5300
+P 2650 5000
+F 0 "R5" H 2750 5150 50 0000 C CNN
+F 1 "330R" V 2650 5000 50 0000 C CNN
+F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2580 5000 50 0001 C CNN
+F 3 "~" H 2650 5000 50 0001 C CNN
+ 1 2650 5000
-1 0 0 1
$EndComp
Wire Wire Line
- 2900 5100 2900 5150
-Wire Wire Line
- 2750 5100 2750 5150
+ 2650 4800 2650 4850
$Comp
L power:GND #PWR016
U 1 1 60AA096E
-P 2900 5550
-F 0 "#PWR016" H 2900 5300 50 0001 C CNN
-F 1 "GND" H 2905 5377 50 0000 C CNN
-F 2 "" H 2900 5550 50 0001 C CNN
-F 3 "" H 2900 5550 50 0001 C CNN
- 1 2900 5550
+P 2750 5700
+F 0 "#PWR016" H 2750 5450 50 0001 C CNN
+F 1 "GND" H 2755 5527 50 0000 C CNN
+F 2 "" H 2750 5700 50 0001 C CNN
+F 3 "" H 2750 5700 50 0001 C CNN
+ 1 2750 5700
1 0 0 -1
$EndComp
Wire Wire Line
- 2900 5450 2900 5550
-Wire Wire Line
- 2900 5550 2750 5550
-Wire Wire Line
- 2750 5550 2750 5450
+ 2750 5150 2750 5350
$Sheet
S 5350 5400 850 1250
U 603EFAE2
Text Label 5150 9150 0 50 ~ 0
FDOT
Wire Wire Line
- 3100 4150 3100 3250
+ 3100 4150 3100 3500
Wire Wire Line
- 3100 3250 5000 3250
+ 3100 3500 5000 3500
Wire Wire Line
- 5000 3250 5000 1650
+ 5000 3500 5000 1650
Wire Wire Line
5000 1650 5350 1650
Wire Wire Line
2050 4150 3100 4150
Wire Wire Line
- 3150 4250 3150 3300
+ 3150 4250 3150 3550
Wire Wire Line
- 3150 3300 5150 3300
+ 3150 3550 5150 3550
Wire Wire Line
- 5150 3300 5150 3150
+ 5150 3550 5150 3150
Wire Wire Line
2050 4250 3150 4250
Wire Wire Line
- 3200 4350 3200 3350
+ 3200 4350 3200 3600
Wire Wire Line
- 3200 3350 5000 3350
+ 3200 3600 5000 3600
Wire Wire Line
- 5000 3350 5000 4650
+ 5000 3600 5000 4650
Wire Wire Line
5000 4650 5350 4650
Wire Wire Line
2050 4350 3200 4350
Wire Wire Line
- 3250 4450 3250 6150
+ 3350 4450 3350 6150
Wire Wire Line
- 3250 6150 5350 6150
+ 3350 6150 5350 6150
Wire Wire Line
- 2050 4450 3250 4450
+ 2050 4450 3350 4450
Wire Wire Line
- 3200 4550 3200 6200
+ 3300 4550 3300 6200
Wire Wire Line
- 3200 6200 5000 6200
+ 3300 6200 5000 6200
Wire Wire Line
5000 6200 5000 7650
Wire Wire Line
5000 7650 5350 7650
Wire Wire Line
- 2050 4550 3200 4550
+ 2050 4550 3300 4550
Wire Wire Line
- 3150 4650 3150 6250
+ 3250 4650 3250 6250
Wire Wire Line
- 3150 6250 4950 6250
+ 3250 6250 4950 6250
Wire Wire Line
4950 6250 4950 9150
Wire Wire Line
4950 9150 5350 9150
Wire Wire Line
- 2050 4650 3150 4650
+ 2050 4650 3250 4650
Text Label 5150 1050 0 50 ~ 0
A0
Text Label 5150 1150 0 50 ~ 0
F2
Text Label 5150 8850 0 50 ~ 0
F3
-Connection ~ 2900 5550
-Wire Wire Line
- 2900 4800 2900 3250
-Connection ~ 2900 4800
Text Label 2200 3250 0 50 ~ 0
HRSEP
Wire Wire Line
- 2900 3250 2050 3250
+ 2750 3250 2050 3250
Wire Wire Line
1150 9750 1100 9750
Wire Wire Line
1 0 0 -1
$EndComp
Connection ~ 800 8200
-$Comp
-L Device:C C4
-U 1 1 61166BC4
-P 1850 9900
-F 0 "C4" H 1965 9946 50 0000 L CNN
-F 1 "0.1uF" H 1965 9855 50 0000 L CNN
-F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1888 9750 50 0001 C CNN
-F 3 "~" H 1850 9900 50 0001 C CNN
- 1 1850 9900
- 1 0 0 -1
-$EndComp
-Connection ~ 1850 9750
Wire Wire Line
3350 8800 2900 8800
$Comp
Wire Wire Line
2050 3950 2450 3950
Wire Wire Line
- 2050 3750 2300 3750
+ 2050 3750 2250 3750
$Comp
L Device:C_Small C6
U 1 1 616E0218
1 1800 5650
1 0 0 -1
$EndComp
-NoConn ~ 2050 3350
NoConn ~ 2050 3450
NoConn ~ 2050 3550
NoConn ~ 2050 3650
$Comp
L power:GND #PWR019
U 1 1 61B0EE96
-P 3300 10950
-F 0 "#PWR019" H 3300 10700 50 0001 C CNN
-F 1 "GND" H 3300 10800 50 0000 C CNN
-F 2 "" H 3300 10950 50 0001 C CNN
-F 3 "" H 3300 10950 50 0001 C CNN
- 1 3300 10950
+P 3400 10950
+F 0 "#PWR019" H 3400 10700 50 0001 C CNN
+F 1 "GND" H 3400 10800 50 0000 C CNN
+F 2 "" H 3400 10950 50 0001 C CNN
+F 3 "" H 3400 10950 50 0001 C CNN
+ 1 3400 10950
1 0 0 -1
$EndComp
$Comp
L power:VCC #PWR018
U 1 1 61B3194F
-P 3300 10750
-F 0 "#PWR018" H 3300 10600 50 0001 C CNN
-F 1 "VCC" H 3300 10900 50 0000 C CNN
-F 2 "" H 3300 10750 50 0001 C CNN
-F 3 "" H 3300 10750 50 0001 C CNN
- 1 3300 10750
+P 3400 10750
+F 0 "#PWR018" H 3400 10600 50 0001 C CNN
+F 1 "VCC" H 3400 10900 50 0000 C CNN
+F 2 "" H 3400 10750 50 0001 C CNN
+F 3 "" H 3400 10750 50 0001 C CNN
+ 1 3400 10750
1 0 0 -1
$EndComp
Wire Wire Line
Wire Wire Line
3700 8400 3700 8500
Wire Wire Line
- 3000 10750 3300 10750
+ 3000 10750 3250 10750
Connection ~ 3000 10750
Wire Wire Line
- 3000 10950 3300 10950
+ 3000 10950 3250 10950
Connection ~ 3000 10950
Text Notes 2250 10550 0 50 ~ 0
bypass capacitors
EA
Text Label 7350 9050 0 50 ~ 0
FA
+Wire Wire Line
+ 1700 1350 2100 1350
+Wire Wire Line
+ 3500 2150 3600 2150
+Wire Wire Line
+ 3600 2150 3600 1350
+Wire Wire Line
+ 3600 1350 3750 1350
+Wire Wire Line
+ 2400 2550 2400 1950
+Wire Wire Line
+ 2400 1950 2000 1950
+Wire Wire Line
+ 2000 1950 2000 1250
+Wire Wire Line
+ 2000 1250 1700 1250
+Wire Wire Line
+ 2450 2650 2450 1900
+Wire Wire Line
+ 2450 1900 2050 1900
+Wire Wire Line
+ 2050 1900 2050 1150
+Wire Wire Line
+ 2050 1150 1700 1150
+Wire Wire Line
+ 2050 2350 3600 2350
+Wire Wire Line
+ 2500 2750 2500 1850
+Wire Wire Line
+ 2500 1850 2100 1850
+Wire Wire Line
+ 2100 1850 2100 1350
+Wire Wire Line
+ 2050 2750 2500 2750
+Text Label 2100 3350 0 50 ~ 0
+RTC_CE
+Text Label 2150 1300 0 50 ~ 0
+RTC_CE
+Wire Wire Line
+ 3200 3350 3200 2150
+Wire Wire Line
+ 3200 2150 2550 2150
+Wire Wire Line
+ 2550 2150 2550 1800
+Wire Wire Line
+ 2550 1800 2150 1800
+Wire Wire Line
+ 2150 1800 2150 1300
+Wire Wire Line
+ 2050 3350 3200 3350
+Wire Wire Line
+ 2050 600 2050 1150
+Connection ~ 2050 1150
+Text Label 1700 1150 0 50 ~ 0
+MISO
+Text Label 1700 1250 0 50 ~ 0
+MOSI
+Text Label 1700 1350 0 50 ~ 0
+SCK
+Text Label 3050 1000 0 50 ~ 0
+VBATT
+Wire Wire Line
+ 2750 3250 2750 4800
+Wire Wire Line
+ 2650 4800 2750 4800
+Connection ~ 2750 4800
+Wire Wire Line
+ 2750 4800 2750 4850
+$Comp
+L Connector:Conn_01x03_Female J5
+U 1 1 62CC4273
+P 2950 5450
+F 0 "J5" H 2978 5476 50 0000 L CNN
+F 1 "HRLEDS" H 2800 5250 50 0000 L CNN
+F 2 "Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical" H 2950 5450 50 0001 C CNN
+F 3 "~" H 2950 5450 50 0001 C CNN
+ 1 2950 5450
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2650 5450 2750 5450
+Wire Wire Line
+ 2650 5150 2650 5450
+Wire Wire Line
+ 2750 5550 2750 5700
+$Comp
+L Device:Crystal_Small Y2
+U 1 1 623FC7B6
+P 2450 1550
+F 0 "Y2" V 2350 1350 50 0000 L CNN
+F 1 "32.768KHz" V 2600 1300 50 0000 L CNN
+F 2 "Crystal:Crystal_SMD_2012-2Pin_2.0x1.2mm_HandSoldering" H 2450 1550 50 0001 C CNN
+F 3 "~" H 2450 1550 50 0001 C CNN
+F 4 "6pF" H 2450 1550 50 0001 C CNN "load"
+ 1 2450 1550
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 2450 1650 2550 1650
+Wire Wire Line
+ 2450 1450 2550 1450
+$Comp
+L power:GND #PWR0138
+U 1 1 62634E4F
+P 3050 1800
+F 0 "#PWR0138" H 3050 1550 50 0001 C CNN
+F 1 "GND" H 3050 1650 50 0000 C CNN
+F 2 "" H 3050 1800 50 0001 C CNN
+F 3 "" H 3050 1800 50 0001 C CNN
+ 1 3050 1800
+ 1 0 0 -1
+$EndComp
+$Comp
+L power:GND #PWR0139
+U 1 1 6289505D
+P 3400 850
+F 0 "#PWR0139" H 3400 600 50 0001 C CNN
+F 1 "GND" H 3400 700 50 0000 C CNN
+F 2 "" H 3400 850 50 0001 C CNN
+F 3 "" H 3400 850 50 0001 C CNN
+ 1 3400 850
+ 1 0 0 -1
+$EndComp
+Connection ~ 3050 750
+$Comp
+L power:PWR_FLAG #FLG0103
+U 1 1 62B59C57
+P 3050 750
+F 0 "#FLG0103" H 3050 825 50 0001 C CNN
+F 1 "PWR_FLAG" V 3050 877 50 0000 L CNN
+F 2 "" H 3050 750 50 0001 C CNN
+F 3 "~" H 3050 750 50 0001 C CNN
+ 1 3050 750
+ 0 -1 -1 0
+$EndComp
+$Comp
+L Device:Battery_Cell BT1
+U 1 1 62892D7C
+P 3250 750
+F 0 "BT1" V 3300 700 50 0000 C CNN
+F 1 "3V" V 3200 700 50 0000 C CNN
+F 2 "Battery:BatteryHolder_Keystone_1060_1x2032" V 3250 810 50 0001 C CNN
+F 3 "~" V 3250 810 50 0001 C CNN
+ 1 3250 750
+ 0 -1 -1 0
+$EndComp
+Wire Wire Line
+ 3550 600 2050 600
+Wire Wire Line
+ 3050 750 3050 1000
+Wire Wire Line
+ 3550 1200 3550 600
+Wire Wire Line
+ 2550 1300 2150 1300
+Wire Wire Line
+ 2550 1650 2550 1600
+Wire Wire Line
+ 2550 1450 2550 1500
+$Comp
+L power:VCC #PWR0137
+U 1 1 62891898
+P 2950 1000
+F 0 "#PWR0137" H 2950 850 50 0001 C CNN
+F 1 "VCC" H 2950 1150 50 0000 C CNN
+F 2 "" H 2950 1000 50 0001 C CNN
+F 3 "" H 2950 1000 50 0001 C CNN
+ 1 2950 1000
+ 1 0 0 -1
+$EndComp
+$Comp
+L Timer_RTC:DS1302Z+ U32
+U 1 1 623FA4BC
+P 3050 1400
+F 0 "U32" H 3150 1050 50 0000 L CNN
+F 1 "DS1302Z+" H 2850 1400 50 0000 L CNN
+F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 3050 900 50 0001 C CNN
+F 3 "https://datasheets.maximintegrated.com/en/ds/DS1302.pdf" H 3050 1400 50 0001 C CNN
+ 1 3050 1400
+ 1 0 0 -1
+$EndComp
+$Comp
+L Device:Crystal_Small Y3
+U 1 1 63520613
+P 2450 1550
+F 0 "Y3" V 2450 1650 50 0000 L CNN
+F 1 "32.768KHz" V 2650 1400 50 0001 L CNN
+F 2 "Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Horizontal" H 2450 1550 50 0001 C CNN
+F 3 "~" H 2450 1550 50 0001 C CNN
+F 4 "6pF" H 2450 1550 50 0001 C CNN "load"
+ 1 2450 1550
+ 0 -1 -1 0
+$EndComp
+Connection ~ 2450 1450
+Connection ~ 2450 1650
+Wire Wire Line
+ 2100 1350 2100 1200
+Wire Wire Line
+ 2100 1200 2550 1200
+Connection ~ 2100 1350
+Wire Wire Line
+ 3350 750 3400 750
+Wire Wire Line
+ 3400 750 3400 850
+$Comp
+L Device:C_Small C4
+U 1 1 5FF08D11
+P 3250 10850
+F 0 "C4" H 3200 11000 50 0000 L CNN
+F 1 "0.1uF" H 3150 10700 50 0000 L CNN
+F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3250 10850 50 0001 C CNN
+F 3 "~" H 3250 10850 50 0001 C CNN
+ 1 3250 10850
+ 1 0 0 -1
+$EndComp
+Connection ~ 3250 10750
+Wire Wire Line
+ 3250 10750 3400 10750
+Connection ~ 3250 10950
+Wire Wire Line
+ 3250 10950 3400 10950
+$Comp
+L Device:CP1 C35
+U 1 1 5FF65C5D
+P 1850 9900
+F 0 "C35" H 2000 9900 50 0000 L CNN
+F 1 "0.33uF" H 1900 9800 50 0000 L CNN
+F 2 "Capacitor_SMD:CP_Elec_4x5.4" H 1850 9900 50 0001 C CNN
+F 3 "~" H 1850 9900 50 0001 C CNN
+ 1 1850 9900
+ 1 0 0 -1
+$EndComp
+Connection ~ 1850 9750
$EndSCHEMATC