1 EESchema Schematic File Version 4
4 $Descr A4 8268 11693 portrait
7 Title "USB nixie tube display"
12 Comment2 "https://github.com/jtsiomb/nixiedisp"
13 Comment3 "Free hardware design. License: GNU GPLv3 (or later)"
14 Comment4 "Copyright © John Tsiombikas <nuclear@member.fsf.org>"
20 F 0 "U8" H 7050 2250 50 0000 C CNN
21 F 1 "IN14" H 6850 2250 50 0000 C CNN
22 F 2 "nixiedisp:nixie_in14" H 7000 1500 50 0001 C CNN
23 F 3 "" H 7000 1500 50 0001 C CNN
31 F 0 "U9" H 7050 3750 50 0000 C CNN
32 F 1 "IN14" H 6850 3750 50 0000 C CNN
33 F 2 "nixiedisp:nixie_in14" H 7000 3000 50 0001 C CNN
34 F 3 "" H 7000 3000 50 0001 C CNN
42 F 0 "U10" H 7050 5250 50 0000 C CNN
43 F 1 "IN14" H 6850 5250 50 0000 C CNN
44 F 2 "nixiedisp:nixie_in14" H 7000 4500 50 0001 C CNN
45 F 3 "" H 7000 4500 50 0001 C CNN
53 F 0 "U11" H 7050 6750 50 0000 C CNN
54 F 1 "IN14" H 6850 6750 50 0000 C CNN
55 F 2 "nixiedisp:nixie_in14" H 7000 6000 50 0001 C CNN
56 F 3 "" H 7000 6000 50 0001 C CNN
64 F 0 "U12" H 7050 8250 50 0000 C CNN
65 F 1 "IN14" H 6850 8250 50 0000 C CNN
66 F 2 "nixiedisp:nixie_in14" H 7000 7500 50 0001 C CNN
67 F 3 "" H 7000 7500 50 0001 C CNN
75 F 0 "U13" H 7050 9750 50 0000 C CNN
76 F 1 "IN14" H 6850 9750 50 0000 C CNN
77 F 2 "nixiedisp:nixie_in14" H 7000 9000 50 0001 C CNN
78 F 3 "" H 7000 9000 50 0001 C CNN
83 L Transistor_FET:IRF540N Q2
86 F 0 "Q2" H 2904 8646 50 0000 L CNN
87 F 1 "IRF540N" H 2904 8555 50 0000 L CNN
88 F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 2950 8525 50 0001 L CIN
89 F 3 "http://www.irf.com/product-info/datasheets/data/irf540n.pdf" H 2700 8600 50 0001 L CNN
97 F 0 "D1" H 2200 8383 50 0000 C CNN
98 F 1 "1N4148" H 2200 8474 50 0000 C CNN
99 F 2 "Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2200 8425 50 0001 C CNN
100 F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 2200 8600 50 0001 C CNN
110 F 0 "R4" H 2070 9096 50 0000 L CNN
111 F 1 "1K" H 2070 9005 50 0000 L CNN
112 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1930 9050 50 0001 C CNN
113 F 3 "~" H 2000 9050 50 0001 C CNN
118 L Regulator_Switching:MC34063AP U2
121 F 0 "U2" H 1450 8850 50 0000 C CNN
122 F 1 "MC34063AP" H 1450 8750 50 0000 C CNN
123 F 2 "Package_DIP:DIP-8_W7.62mm" H 1500 7950 50 0001 L CNN
124 F 3 "http://www.onsemi.com/pub_link/Collateral/MC34063A-D.PDF" H 1950 8300 50 0001 C CNN
132 Connection ~ 2000 8600
136 L nixiedisp:MMBTA55 Q1
139 F 0 "Q1" H 2490 8896 50 0000 L CNN
140 F 1 "MMBTA55" H 2400 8600 50 0000 L CNN
141 F 2 "Package_TO_SOT_SMD:SOT-23" H 2500 8775 50 0001 L CIN
142 F 3 "" H 2300 8850 50 0001 L CNN
148 Connection ~ 2400 8600
153 Connection ~ 2000 8850
160 F 0 "#PWR015" H 2400 8950 50 0001 C CNN
161 F 1 "GND" H 2400 9050 50 0000 C CNN
162 F 2 "" H 2400 9200 50 0001 C CNN
163 F 3 "" H 2400 9200 50 0001 C CNN
175 F 0 "D4" H 3050 8183 50 0000 C CNN
176 F 1 "MUR160" H 3050 8274 50 0000 C CNN
177 F 2 "Diode_THT:D_DO-15_P12.70mm_Horizontal" H 3050 8400 50 0001 C CNN
178 F 3 "~" H 3050 8400 50 0001 C CNN
186 F 0 "L1" H 2650 8150 50 0000 L CNN
187 F 1 "220uH" H 2500 8050 50 0000 L CNN
188 F 2 "Inductor_THT:L_Radial_D8.7mm_P5.00mm_Fastron_07HCP" H 2800 8050 50 0001 C CNN
189 F 3 "~" H 2800 8050 50 0001 C CNN
197 F 0 "C1" H 1165 8996 50 0000 L CNN
198 F 1 "2.2nF" H 1165 8905 50 0000 L CNN
199 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1088 8800 50 0001 C CNN
200 F 3 "~" H 1050 8950 50 0001 C CNN
216 F 0 "#PWR08" H 1450 8950 50 0001 C CNN
217 F 1 "GND" H 1450 9050 50 0000 C CNN
218 F 2 "" H 1450 9200 50 0001 C CNN
219 F 3 "" H 1450 9200 50 0001 C CNN
223 Connection ~ 1450 9150
230 F 0 "#PWR01" H 800 7450 50 0001 C CNN
231 F 1 "+12V" H 800 7750 50 0000 C CNN
232 F 2 "" H 800 7600 50 0001 C CNN
233 F 3 "" H 800 7600 50 0001 C CNN
241 F 0 "R1" V 950 7850 50 0000 C CNN
242 F 1 "1R" V 1000 7700 50 0000 C CNN
243 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 930 7700 50 0001 C CNN
244 F 3 "~" H 1000 7700 50 0001 C CNN
252 F 0 "R2" V 950 7950 50 0000 C CNN
253 F 1 "1R" V 1000 7800 50 0000 C CNN
254 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 930 7800 50 0001 C CNN
255 F 3 "~" H 1000 7800 50 0001 C CNN
263 F 0 "R3" V 950 8050 50 0000 C CNN
264 F 1 "1R" V 1000 7900 50 0000 C CNN
265 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 930 7900 50 0001 C CNN
266 F 3 "~" H 1000 7900 50 0001 C CNN
284 Connection ~ 800 7800
289 Connection ~ 1250 7800
294 Connection ~ 800 7700
297 Connection ~ 800 7900
304 Connection ~ 1850 8200
307 Connection ~ 1850 8300
312 F 0 "C8" H 2165 7996 50 0000 L CNN
313 F 1 "220uF" H 2165 7905 50 0000 L CNN
314 F 2 "Capacitor_SMD:CP_Elec_8x10" H 2050 7950 50 0001 C CNN
315 F 3 "~" H 2050 7950 50 0001 C CNN
319 Connection ~ 1850 7800
324 F 0 "#PWR013" H 2050 7850 50 0001 C CNN
325 F 1 "GND" H 2050 7950 50 0000 C CNN
326 F 2 "" H 2050 8100 50 0001 C CNN
327 F 3 "" H 2050 8100 50 0001 C CNN
335 Connection ~ 2800 8400
340 Connection ~ 2050 7800
345 Connection ~ 2400 9200
350 F 0 "C16" H 3815 8696 50 0000 L CNN
351 F 1 "2.2uF" H 3815 8605 50 0000 L CNN
352 F 2 "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" H 3700 8650 50 0001 C CNN
353 F 3 "~" H 3700 8650 50 0001 C CNN
361 F 0 "R7" H 3420 8646 50 0000 L CNN
362 F 1 "475K" V 3350 8500 50 0000 L CNN
363 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3280 8600 50 0001 C CNN
364 F 3 "~" H 3350 8600 50 0001 C CNN
372 F 0 "R8" H 3420 8996 50 0000 L CNN
373 F 1 "3K32" V 3350 8850 50 0000 L CNN
374 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3280 8950 50 0001 C CNN
375 F 3 "~" H 3350 8950 50 0001 C CNN
387 Connection ~ 3350 8400
394 Connection ~ 3350 8800
399 F 0 "#PWR020" H 3350 8850 50 0001 C CNN
400 F 1 "GND" H 3350 8950 50 0000 C CNN
401 F 2 "" H 3350 9100 50 0001 C CNN
402 F 3 "" H 3350 9100 50 0001 C CNN
410 Connection ~ 3350 9100
415 F 0 "#PWR021" H 3700 8420 50 0001 C CNN
416 F 1 "HT" H 3700 8450 50 0000 C CNN
417 F 2 "" H 3700 8300 50 0001 C CNN
418 F 3 "" H 3700 8300 50 0001 C CNN
426 F 0 "R9" H 7420 1396 50 0000 L CNN
427 F 1 "30k" V 7350 1300 50 0000 L CNN
428 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7280 1350 50 0001 C CNN
429 F 3 "~" H 7350 1350 50 0001 C CNN
439 F 0 "R10" H 7420 2846 50 0000 L CNN
440 F 1 "30k" V 7350 2750 50 0000 L CNN
441 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7280 2800 50 0001 C CNN
442 F 3 "~" H 7350 2800 50 0001 C CNN
450 F 0 "R11" H 7420 4346 50 0000 L CNN
451 F 1 "30k" V 7350 4250 50 0000 L CNN
452 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7280 4300 50 0001 C CNN
453 F 3 "~" H 7350 4300 50 0001 C CNN
461 F 0 "R12" H 7420 5846 50 0000 L CNN
462 F 1 "30k" V 7350 5750 50 0000 L CNN
463 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7280 5800 50 0001 C CNN
464 F 3 "~" H 7350 5800 50 0001 C CNN
472 F 0 "R13" H 7420 7346 50 0000 L CNN
473 F 1 "30k" V 7350 7250 50 0000 L CNN
474 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7280 7300 50 0001 C CNN
475 F 3 "~" H 7350 7300 50 0001 C CNN
483 F 0 "R14" H 7420 8846 50 0000 L CNN
484 F 1 "30k" V 7350 8750 50 0000 L CNN
485 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7280 8800 50 0001 C CNN
486 F 3 "~" H 7350 8800 50 0001 C CNN
504 F 0 "#PWR028" H 7500 1120 50 0001 C CNN
505 F 1 "HT" H 7520 1143 50 0000 C CNN
506 F 2 "" H 7500 1000 50 0001 C CNN
507 F 3 "" H 7500 1000 50 0001 C CNN
515 F1 "nixiedrivers.sch" 50
516 F2 "N1" O R 6200 1050 50
517 F3 "N2" O R 6200 1150 50
518 F4 "N3" O R 6200 1250 50
519 F5 "N4" O R 6200 1350 50
520 F6 "N5" O R 6200 1450 50
521 F7 "N6" O R 6200 1550 50
522 F8 "N7" O R 6200 1650 50
523 F9 "N8" O R 6200 1750 50
524 F10 "N9" O R 6200 1850 50
525 F11 "N0" O R 6200 950 50
526 F12 "NL" O R 6200 2000 50
527 F13 "D0" I L 5350 1050 50
528 F14 "D1" I L 5350 1150 50
529 F15 "D2" I L 5350 1250 50
530 F16 "D3" I L 5350 1350 50
531 F17 "LDOT" I L 5350 1650 50
558 F0 "nixiedrivers2" 50
559 F1 "nixiedrivers.sch" 50
560 F2 "N1" O R 6200 2550 50
561 F3 "N2" O R 6200 2650 50
562 F4 "N3" O R 6200 2750 50
563 F5 "N4" O R 6200 2850 50
564 F6 "N5" O R 6200 2950 50
565 F7 "N6" O R 6200 3050 50
566 F8 "N7" O R 6200 3150 50
567 F9 "N8" O R 6200 3250 50
568 F10 "N9" O R 6200 3350 50
569 F11 "N0" O R 6200 2450 50
570 F12 "NL" O R 6200 3500 50
571 F13 "D0" I L 5350 2550 50
572 F14 "D1" I L 5350 2650 50
573 F15 "D2" I L 5350 2750 50
574 F16 "D3" I L 5350 2850 50
575 F17 "LDOT" I L 5350 3150 50
607 Connection ~ 7500 1150
618 Connection ~ 7500 7100
625 Connection ~ 7500 5600
632 Connection ~ 7500 4100
639 Connection ~ 7500 2600
645 F0 "nixiedrivers3" 50
646 F1 "nixiedrivers.sch" 50
647 F2 "N1" O R 6200 4050 50
648 F3 "N2" O R 6200 4150 50
649 F4 "N3" O R 6200 4250 50
650 F5 "N4" O R 6200 4350 50
651 F6 "N5" O R 6200 4450 50
652 F7 "N6" O R 6200 4550 50
653 F8 "N7" O R 6200 4650 50
654 F9 "N8" O R 6200 4750 50
655 F10 "N9" O R 6200 4850 50
656 F11 "N0" O R 6200 3950 50
657 F12 "NL" O R 6200 5000 50
658 F13 "D0" I L 5350 4050 50
659 F14 "D1" I L 5350 4150 50
660 F15 "D2" I L 5350 4250 50
661 F16 "D3" I L 5350 4350 50
662 F17 "LDOT" I L 5350 4650 50
711 F0 "nixiedrivers5" 50
712 F1 "nixiedrivers.sch" 50
713 F2 "N1" O R 6200 7050 50
714 F3 "N2" O R 6200 7150 50
715 F4 "N3" O R 6200 7250 50
716 F5 "N4" O R 6200 7350 50
717 F6 "N5" O R 6200 7450 50
718 F7 "N6" O R 6200 7550 50
719 F8 "N7" O R 6200 7650 50
720 F9 "N8" O R 6200 7750 50
721 F10 "N9" O R 6200 7850 50
722 F11 "N0" O R 6200 6950 50
723 F12 "NL" O R 6200 8000 50
724 F13 "D0" I L 5350 7050 50
725 F14 "D1" I L 5350 7150 50
726 F15 "D2" I L 5350 7250 50
727 F16 "D3" I L 5350 7350 50
728 F17 "LDOT" I L 5350 7650 50
755 F0 "nixiedrivers6" 50
756 F1 "nixiedrivers.sch" 50
757 F2 "N1" O R 6200 8550 50
758 F3 "N2" O R 6200 8650 50
759 F4 "N3" O R 6200 8750 50
760 F5 "N4" O R 6200 8850 50
761 F6 "N5" O R 6200 8950 50
762 F7 "N6" O R 6200 9050 50
763 F8 "N7" O R 6200 9150 50
764 F9 "N8" O R 6200 9250 50
765 F10 "N9" O R 6200 9350 50
766 F11 "N0" O R 6200 8450 50
767 F12 "NL" O R 6200 9500 50
768 F13 "D0" I L 5350 8550 50
769 F14 "D1" I L 5350 8650 50
770 F15 "D2" I L 5350 8750 50
771 F16 "D3" I L 5350 8850 50
772 F17 "LDOT" I L 5350 9150 50
800 F 0 "U5" H 4250 1800 50 0000 C CNN
801 F 1 "74HC164" H 4350 800 50 0000 C CNN
802 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 5050 1050 50 0001 C CNN
803 F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT164.pdf" H 5050 1050 50 0001 C CNN
843 F 0 "#PWR022" H 4150 700 50 0001 C CNN
844 F 1 "VCC" H 4150 1000 50 0000 C CNN
845 F 2 "" H 4150 850 50 0001 C CNN
846 F 3 "" H 4150 850 50 0001 C CNN
854 F 0 "#PWR023" H 4150 1700 50 0001 C CNN
855 F 1 "GND" H 4150 1800 50 0000 C CNN
856 F 2 "" H 4150 1950 50 0001 C CNN
857 F 3 "" H 4150 1950 50 0001 C CNN
865 F 0 "U6" H 4250 4800 50 0000 C CNN
866 F 1 "74HC164" H 4350 3800 50 0000 C CNN
867 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 5050 4050 50 0001 C CNN
868 F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT164.pdf" H 5050 4050 50 0001 C CNN
892 F 0 "#PWR024" H 4150 3700 50 0001 C CNN
893 F 1 "VCC" H 4150 4000 50 0000 C CNN
894 F 2 "" H 4150 3850 50 0001 C CNN
895 F 3 "" H 4150 3850 50 0001 C CNN
903 F 0 "#PWR025" H 4150 4700 50 0001 C CNN
904 F 1 "GND" H 4150 4800 50 0000 C CNN
905 F 2 "" H 4150 4950 50 0001 C CNN
906 F 3 "" H 4150 4950 50 0001 C CNN
930 F 0 "U7" H 4250 7800 50 0000 C CNN
931 F 1 "74HC164" H 4350 6800 50 0000 C CNN
932 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 5050 7050 50 0001 C CNN
933 F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT164.pdf" H 5050 7050 50 0001 C CNN
957 F 0 "#PWR026" H 4150 6700 50 0001 C CNN
958 F 1 "VCC" H 4150 7000 50 0000 C CNN
959 F 2 "" H 4150 6850 50 0001 C CNN
960 F 3 "" H 4150 6850 50 0001 C CNN
968 F 0 "#PWR027" H 4150 7700 50 0001 C CNN
969 F 1 "GND" H 4150 7800 50 0000 C CNN
970 F 2 "" H 4150 7950 50 0001 C CNN
971 F 3 "" H 4150 7950 50 0001 C CNN
995 Connection ~ 4150 850
1000 Connection ~ 4150 3850
1005 Connection ~ 4150 6850
1007 L Connector:AVR-ISP-6 J3
1010 F 0 "J3" H 971 1446 50 0000 R CNN
1011 F 1 "AVR-ISP-6" H 1650 1800 50 0000 R CNN
1012 F 2 "Connector_IDC:IDC-Header_2x03_P2.54mm_Vertical" V 1050 1400 50 0001 C CNN
1013 F 3 " ~" H 25 800 50 0001 C CNN
1018 L MCU_Microchip_ATmega:ATmega328P-AU U1
1021 F 0 "U1" H 1650 2000 50 0000 C CNN
1022 F 1 "ATmega328P-AU" H 1350 3450 50 0000 C CNN
1023 F 2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" H 1450 3450 50 0001 C CIN
1024 F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega328_P%20AVR%20MCU%20with%20picoPower%20Technology%20Data%20Sheet%2040001984A.pdf" H 1450 3450 50 0001 C CNN
1032 F 0 "#PWR06" H 1450 1800 50 0001 C CNN
1033 F 1 "VCC" H 1450 2100 50 0000 C CNN
1034 F 2 "" H 1450 1950 50 0001 C CNN
1035 F 3 "" H 1450 1950 50 0001 C CNN
1041 Connection ~ 1450 1950
1046 F 0 "#PWR07" H 1450 4700 50 0001 C CNN
1047 F 1 "GND" H 1450 4800 50 0000 C CNN
1048 F 2 "" H 1450 4950 50 0001 C CNN
1049 F 3 "" H 1450 4950 50 0001 C CNN
1057 L Regulator_Linear:L7805 U3
1060 F 0 "U3" H 1450 9992 50 0000 C CNN
1061 F 1 "L7805" H 1450 9901 50 0000 C CNN
1062 F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 1475 9600 50 0001 L CIN
1063 F 3 "http://www.st.com/content/ccc/resource/technical/document/datasheet/41/4f/b3/b0/12/d4/47/88/CD00000444.pdf/files/CD00000444.pdf/jcr:content/translations/en.CD00000444.pdf" H 1450 9700 50 0001 C CNN
1068 L Connector:USB_B_Micro J2
1071 F 0 "J2" H 1100 5900 50 0000 C CNN
1072 F 1 "USB_B_Micro" H 950 6600 50 0000 C CNN
1073 F 2 "Connector_USB:USB_Micro-B_Molex-105017-0001" H 1100 6200 50 0001 C CNN
1074 F 3 "~" H 1100 6200 50 0001 C CNN
1084 Connection ~ 3750 850
1085 Text Label 2150 2550 0 50 ~ 0
1087 Text Label 2150 2650 0 50 ~ 0
1089 Text Label 2150 2750 0 50 ~ 0
1095 F 0 "#PWR03" H 1200 700 50 0001 C CNN
1096 F 1 "VCC" H 1200 1000 50 0000 C CNN
1097 F 2 "" H 1200 850 50 0001 C CNN
1098 F 3 "" H 1200 850 50 0001 C CNN
1106 F 0 "#PWR04" H 1200 1500 50 0001 C CNN
1107 F 1 "GND" H 1200 1600 50 0000 C CNN
1108 F 2 "" H 1200 1750 50 0001 C CNN
1109 F 3 "" H 1200 1750 50 0001 C CNN
1119 Text Label 1700 1450 0 50 ~ 0
1121 Text Label 2100 3750 0 50 ~ 0
1124 L Device:Crystal_Small Y1
1127 F 0 "Y1" V 2400 2700 50 0000 L CNN
1128 F 1 "14.7456MHz" V 2550 2600 50 0000 L CNN
1129 F 2 "Crystal:Crystal_SMD_ECS_CSM3X-2Pin_7.6x4.1mm" H 2400 2900 50 0001 C CNN
1130 F 3 "~" H 2400 2900 50 0001 C CNN
1147 L Device:C_Small C11
1150 F 0 "C11" V 2600 2900 50 0000 C CNN
1151 F 1 "22pF" V 2700 2950 50 0000 C CNN
1152 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2650 2800 50 0001 C CNN
1153 F 3 "~" H 2650 2800 50 0001 C CNN
1158 L Device:C_Small C12
1161 F 0 "C12" V 2600 3100 50 0000 C CNN
1162 F 1 "22pF" V 2700 3150 50 0000 C CNN
1163 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2650 3000 50 0001 C CNN
1164 F 3 "~" H 2650 3000 50 0001 C CNN
1170 Connection ~ 2400 2800
1173 Connection ~ 2400 3000
1184 F 0 "#PWR017" H 3100 2550 50 0001 C CNN
1185 F 1 "GND" H 3100 2650 50 0000 C CNN
1186 F 2 "" H 3100 2800 50 0001 C CNN
1187 F 3 "" H 3100 2800 50 0001 C CNN
1207 Text Label 2150 2250 0 50 ~ 0
1209 Text Label 2150 2350 0 50 ~ 0
1211 Text Label 2150 2450 0 50 ~ 0
1213 Text Label 2150 3950 0 50 ~ 0
1215 Text Label 2150 4050 0 50 ~ 0
1223 Connection ~ 3500 3150
1228 Connection ~ 3500 4350
1229 Text Label 3350 3150 0 50 ~ 0
1237 Connection ~ 3750 3850
1244 Connection ~ 3750 6850
1249 Connection ~ 2950 2800
1254 F 0 "R6" H 2700 5150 50 0000 C CNN
1255 F 1 "330R" V 2750 5000 50 0000 C CNN
1256 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2680 5000 50 0001 C CNN
1257 F 3 "~" H 2750 5000 50 0001 C CNN
1265 F 0 "R5" H 2750 5150 50 0000 C CNN
1266 F 1 "330R" V 2650 5000 50 0000 C CNN
1267 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2580 5000 50 0001 C CNN
1268 F 3 "~" H 2650 5000 50 0001 C CNN
1278 F 0 "#PWR016" H 2750 5450 50 0001 C CNN
1279 F 1 "GND" H 2755 5527 50 0000 C CNN
1280 F 2 "" H 2750 5700 50 0001 C CNN
1281 F 3 "" H 2750 5700 50 0001 C CNN
1288 S 5350 5400 850 1250
1290 F0 "nixiedrivers4" 50
1291 F1 "nixiedrivers.sch" 50
1292 F2 "N1" O R 6200 5550 50
1293 F3 "N2" O R 6200 5650 50
1294 F4 "N3" O R 6200 5750 50
1295 F5 "N4" O R 6200 5850 50
1296 F6 "N5" O R 6200 5950 50
1297 F7 "N6" O R 6200 6050 50
1298 F8 "N7" O R 6200 6150 50
1299 F9 "N8" O R 6200 6250 50
1300 F10 "N9" O R 6200 6350 50
1301 F11 "N0" O R 6200 5450 50
1302 F12 "NL" O R 6200 6500 50
1303 F13 "D0" I L 5350 5550 50
1304 F14 "D1" I L 5350 5650 50
1305 F15 "D2" I L 5350 5750 50
1306 F16 "D3" I L 5350 5850 50
1307 F17 "LDOT" I L 5350 6150 50
1315 Text Label 2100 4150 0 50 ~ 0
1317 Text Label 2100 4250 0 50 ~ 0
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1453 F 0 "C2" H 850 9900 50 0000 L CNN
1454 F 1 "0.33uF" H 850 9800 50 0000 L CNN
1455 F 2 "Capacitor_SMD:CP_Elec_4x5.4" H 1100 9900 50 0001 C CNN
1456 F 3 "~" H 1100 9900 50 0001 C CNN
1460 Connection ~ 1100 9750
1464 1100 10050 1450 10050
1465 Connection ~ 1450 10050
1467 1450 10050 1850 10050
1474 F 0 "#PWR09" H 1450 9800 50 0001 C CNN
1475 F 1 "GND" H 1450 9900 50 0000 C CNN
1476 F 2 "" H 1450 10050 50 0001 C CNN
1477 F 3 "" H 1450 10050 50 0001 C CNN
1485 F 0 "#PWR012" H 1850 9600 50 0001 C CNN
1486 F 1 "VCC" H 1850 9900 50 0000 C CNN
1487 F 2 "" H 1850 9750 50 0001 C CNN
1488 F 3 "" H 1850 9750 50 0001 C CNN
1492 Connection ~ 800 8200
1499 F 0 "C15" V 2950 9050 50 0000 L CNN
1500 F 1 "10nF" V 3250 9000 50 0000 L CNN
1501 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3138 8950 50 0001 C CNN
1502 F 3 "~" H 3100 9100 50 0001 C CNN
1508 Connection ~ 2900 9100
1515 Text Notes 3400 8350 0 50 ~ 0
1517 Text Notes 1650 7650 0 50 ~ 0
1520 L Interface_USB:MCP2221AxSL U4
1523 F 0 "U4" H 1950 5800 50 0000 C CNN
1524 F 1 "MCP2221AxSL" H 1450 5800 50 0000 C CNN
1525 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 1800 7350 50 0001 C CNN
1526 F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20005565B.pdf" H 1800 7050 50 0001 C CNN
1545 F 0 "#PWR011" H 1800 6700 50 0001 C CNN
1546 F 1 "GND" H 1800 6800 50 0000 C CNN
1547 F 2 "" H 1800 6950 50 0001 C CNN
1548 F 3 "" H 1800 6950 50 0001 C CNN
1556 F 0 "#PWR02" H 950 6400 50 0001 C CNN
1557 F 1 "GND" H 950 6500 50 0000 C CNN
1558 F 2 "" H 950 6650 50 0001 C CNN
1559 F 3 "" H 950 6650 50 0001 C CNN
1578 F 0 "C6" V 2050 5300 50 0000 L CNN
1579 F 1 "0.1uF" V 1900 5300 50 0000 L CNN
1580 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2000 5450 50 0001 C CNN
1581 F 3 "~" H 2000 5450 50 0001 C CNN
1589 F 0 "C5" V 1950 5100 50 0000 L CNN
1590 F 1 "0.1uF" V 2100 5100 50 0000 L CNN
1591 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2000 5250 50 0001 C CNN
1592 F 3 "~" H 2000 5250 50 0001 C CNN
1602 Text Label 1250 5850 0 50 ~ 0
1615 F 0 "#PWR014" H 2250 5250 50 0001 C CNN
1616 F 1 "GND" H 2255 5327 50 0000 C CNN
1617 F 2 "" H 2250 5500 50 0001 C CNN
1618 F 3 "" H 2250 5500 50 0001 C CNN
1626 Connection ~ 2250 5450
1629 Connection ~ 1900 5450
1634 F 0 "#PWR010" H 1800 5500 50 0001 C CNN
1635 F 1 "VCC" H 1800 5800 50 0000 C CNN
1636 F 2 "" H 1800 5650 50 0001 C CNN
1637 F 3 "" H 1800 5650 50 0001 C CNN
1645 L Device:C_Small C10
1648 F 0 "C10" H 2450 11000 50 0000 L CNN
1649 F 1 "0.1uF" H 2400 10700 50 0000 L CNN
1650 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2500 10850 50 0001 C CNN
1651 F 3 "~" H 2500 10850 50 0001 C CNN
1656 L Device:C_Small C13
1659 F 0 "C13" H 2700 11000 50 0000 L CNN
1660 F 1 "0.1uF" H 2650 10700 50 0000 L CNN
1661 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2750 10850 50 0001 C CNN
1662 F 3 "~" H 2750 10850 50 0001 C CNN
1670 F 0 "C9" H 2200 11000 50 0000 L CNN
1671 F 1 "0.1uF" H 2150 10700 50 0000 L CNN
1672 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2250 10850 50 0001 C CNN
1673 F 3 "~" H 2250 10850 50 0001 C CNN
1678 L Device:C_Small C14
1681 F 0 "C14" H 2950 11000 50 0000 L CNN
1682 F 1 "0.1uF" H 2900 10700 50 0000 L CNN
1683 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3000 10850 50 0001 C CNN
1684 F 3 "~" H 3000 10850 50 0001 C CNN
1692 F 0 "C7" H 1950 11000 50 0000 L CNN
1693 F 1 "0.1uF" H 1900 10700 50 0000 L CNN
1694 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2000 10850 50 0001 C CNN
1695 F 3 "~" H 2000 10850 50 0001 C CNN
1703 F 0 "C3" H 1700 11000 50 0000 L CNN
1704 F 1 "0.1uF" H 1650 10700 50 0000 L CNN
1705 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1750 10850 50 0001 C CNN
1706 F 3 "~" H 1750 10850 50 0001 C CNN
1711 1750 10750 2000 10750
1712 Connection ~ 2000 10750
1714 2000 10750 2250 10750
1715 Connection ~ 2250 10750
1717 2250 10750 2500 10750
1718 Connection ~ 2500 10750
1720 2500 10750 2750 10750
1721 Connection ~ 2750 10750
1723 2750 10750 3000 10750
1725 1750 10950 2000 10950
1726 Connection ~ 2000 10950
1728 2000 10950 2250 10950
1729 Connection ~ 2250 10950
1731 2250 10950 2500 10950
1732 Connection ~ 2500 10950
1734 2500 10950 2750 10950
1735 Connection ~ 2750 10950
1737 2750 10950 3000 10950
1742 F 0 "#PWR019" H 3400 10700 50 0001 C CNN
1743 F 1 "GND" H 3400 10800 50 0000 C CNN
1744 F 2 "" H 3400 10950 50 0001 C CNN
1745 F 3 "" H 3400 10950 50 0001 C CNN
1753 F 0 "#PWR018" H 3400 10600 50 0001 C CNN
1754 F 1 "VCC" H 3400 10900 50 0000 C CNN
1755 F 2 "" H 3400 10750 50 0001 C CNN
1756 F 3 "" H 3400 10750 50 0001 C CNN
1762 Connection ~ 3700 8400
1766 3000 10750 3250 10750
1767 Connection ~ 3000 10750
1769 3000 10950 3250 10950
1770 Connection ~ 3000 10950
1771 Text Notes 2250 10550 0 50 ~ 0
1776 1200 10200 800 10200
1779 Connection ~ 800 9750
1784 F 0 "#PWR05" H 1200 10500 50 0001 C CNN
1785 F 1 "GND" H 1200 10600 50 0000 C CNN
1786 F 2 "" H 1200 10750 50 0001 C CNN
1787 F 3 "" H 1200 10750 50 0001 C CNN
1792 L Connector_Generic:Conn_01x02 J4
1795 F 0 "J4" H 1480 10442 50 0000 L CNN
1796 F 1 "pwr sw" H 1300 10250 50 0000 L CNN
1797 F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 1400 10450 50 0001 C CNN
1798 F 3 "~" H 1400 10450 50 0001 C CNN
1803 1200 10450 1200 10200
1805 L power:PWR_FLAG #FLG0101
1808 F 0 "#FLG0101" H 1100 9725 50 0001 C CNN
1809 F 1 "PWR_FLAG" H 1100 9800 50 0000 C CNN
1810 F 2 "" H 1100 9650 50 0001 C CNN
1811 F 3 "~" H 1100 9650 50 0001 C CNN
1818 L power:PWR_FLAG #FLG0102
1821 F 0 "#FLG0102" H 3850 8475 50 0001 C CNN
1822 F 1 "PWR_FLAG" H 3950 8550 50 0000 C CNN
1823 F 2 "" H 3850 8400 50 0001 C CNN
1824 F 3 "~" H 3850 8400 50 0001 C CNN
1831 L Connector:Barrel_Jack_Switch J1
1834 F 0 "J1" H 900 10950 50 0000 C CNN
1835 F 1 "12VDC IN" H 900 10850 50 0000 C CNN
1836 F 2 "Connector_BarrelJack:BarrelJack_Horizontal" H 950 10610 50 0001 C CNN
1837 F 3 "~" H 950 10610 50 0001 C CNN
1842 1200 10650 1200 10750
1843 Connection ~ 1200 10750
1844 Text Label 7350 1550 0 50 ~ 0
1846 Text Label 7350 3050 0 50 ~ 0
1848 Text Label 7350 4550 0 50 ~ 0
1850 Text Label 7350 6050 0 50 ~ 0
1852 Text Label 7350 7550 0 50 ~ 0
1854 Text Label 7350 9050 0 50 ~ 0
1890 Text Label 2100 3350 0 50 ~ 0
1892 Text Label 2150 1300 0 50 ~ 0
1908 Connection ~ 2050 1150
1909 Text Label 1700 1150 0 50 ~ 0
1911 Text Label 1700 1250 0 50 ~ 0
1913 Text Label 1700 1350 0 50 ~ 0
1915 Text Label 3050 1000 0 50 ~ 0
1921 Connection ~ 2750 4800
1925 L Connector:Conn_01x03_Female J5
1928 F 0 "J5" H 2978 5476 50 0000 L CNN
1929 F 1 "HRLEDS" H 2800 5250 50 0000 L CNN
1930 F 2 "Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical" H 2950 5450 50 0001 C CNN
1931 F 3 "~" H 2950 5450 50 0001 C CNN
1942 L Device:Crystal_Small Y2
1945 F 0 "Y2" V 2350 1350 50 0000 L CNN
1946 F 1 "32.768KHz" V 2600 1300 50 0000 L CNN
1947 F 2 "Crystal:Crystal_SMD_2012-2Pin_2.0x1.2mm_HandSoldering" H 2450 1550 50 0001 C CNN
1948 F 3 "~" H 2450 1550 50 0001 C CNN
1949 F 4 "6pF" H 2450 1550 50 0001 C CNN "load"
1958 L power:GND #PWR0138
1961 F 0 "#PWR0138" H 3050 1550 50 0001 C CNN
1962 F 1 "GND" H 3050 1650 50 0000 C CNN
1963 F 2 "" H 3050 1800 50 0001 C CNN
1964 F 3 "" H 3050 1800 50 0001 C CNN
1969 L power:GND #PWR0139
1972 F 0 "#PWR0139" H 3400 600 50 0001 C CNN
1973 F 1 "GND" H 3400 700 50 0000 C CNN
1974 F 2 "" H 3400 850 50 0001 C CNN
1975 F 3 "" H 3400 850 50 0001 C CNN
1979 Connection ~ 3050 750
1981 L power:PWR_FLAG #FLG0103
1984 F 0 "#FLG0103" H 3050 825 50 0001 C CNN
1985 F 1 "PWR_FLAG" V 3050 877 50 0000 L CNN
1986 F 2 "" H 3050 750 50 0001 C CNN
1987 F 3 "~" H 3050 750 50 0001 C CNN
1992 L Device:Battery_Cell BT1
1995 F 0 "BT1" V 3300 700 50 0000 C CNN
1996 F 1 "3V" V 3200 700 50 0000 C CNN
1997 F 2 "Battery:BatteryHolder_Keystone_1060_1x2032" V 3250 810 50 0001 C CNN
1998 F 3 "~" V 3250 810 50 0001 C CNN
2015 L power:VCC #PWR0137
2018 F 0 "#PWR0137" H 2950 850 50 0001 C CNN
2019 F 1 "VCC" H 2950 1150 50 0000 C CNN
2020 F 2 "" H 2950 1000 50 0001 C CNN
2021 F 3 "" H 2950 1000 50 0001 C CNN
2026 L Timer_RTC:DS1302Z+ U32
2029 F 0 "U32" H 3150 1050 50 0000 L CNN
2030 F 1 "DS1302Z+" H 2850 1400 50 0000 L CNN
2031 F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 3050 900 50 0001 C CNN
2032 F 3 "https://datasheets.maximintegrated.com/en/ds/DS1302.pdf" H 3050 1400 50 0001 C CNN
2037 L Device:Crystal_Small Y3
2040 F 0 "Y3" V 2450 1650 50 0000 L CNN
2041 F 1 "32.768KHz" V 2650 1400 50 0001 L CNN
2042 F 2 "Crystal:Crystal_C38-LF_D3.0mm_L8.0mm_Horizontal" H 2450 1550 50 0001 C CNN
2043 F 3 "~" H 2450 1550 50 0001 C CNN
2044 F 4 "6pF" H 2450 1550 50 0001 C CNN "load"
2048 Connection ~ 2450 1450
2049 Connection ~ 2450 1650
2054 Connection ~ 2100 1350
2063 F 0 "C4" H 3200 11000 50 0000 L CNN
2064 F 1 "0.1uF" H 3150 10700 50 0000 L CNN
2065 F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3250 10850 50 0001 C CNN
2066 F 3 "~" H 3250 10850 50 0001 C CNN
2070 Connection ~ 3250 10750
2072 3250 10750 3400 10750
2073 Connection ~ 3250 10950
2075 3250 10950 3400 10950
2080 F 0 "C35" H 2000 9900 50 0000 L CNN
2081 F 1 "0.33uF" H 1900 9800 50 0000 L CNN
2082 F 2 "Capacitor_SMD:CP_Elec_4x5.4" H 1850 9900 50 0001 C CNN
2083 F 3 "~" H 1850 9900 50 0001 C CNN
2087 Connection ~ 1850 9750