
Display module
gabebuckmaster/nixie_clock
A minimalist nixie tube clock design in a cnc-machined hardwood case using IN12B tubes.

A minimalist nixie tube clock design in a cnc-machined hardwood case using IN12B tubes.
Control module is an open-source printed circuit board by gabebuckmaster, from the gabebuckmaster/nixie_clock repository on GitHub, published under the MIT licence. It is a 2-layer board of 96 × 38 mm with 74 parts on 69 nets, routed with 489 tracks and 61 vias.
It is built around the DS3231MZ/V+, BAT54 and BAT240A, with the BSS84 and PJ-064A among its other parts. Its parts include 21 resistors, 19 capacitors, 9 connectors, 5 transistors and 4 ICs. It belongs with the lEDs and displays boards and the STM32 boards of this library.
This PCB includes the nixie tubes themselves, current limiting resistors, and the high voltage shift register.
For assembly, see the BOM and fab drawing
| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 4.99k | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R4, R5, R6, R7, R8 |
| 5 | 100n | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C4, C5 |
| 4 | 10u | Capacitor_SMD:C_0805_2012Metric | C10, C11, C12, C13 |
| 4 | 1u | Capacitor_SMD:C_0805_2012Metric | C6, C7, C8, C9 |
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 4 | NOSTUFF | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J101, J102, J103, J104 |
| 3 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q3 |
| 2 | 10 | Resistor_SMD:R_0805_2012Metric | R11, R12 |
| 2 | 100 | Resistor_SMD:R_0805_2012Metric | R13, R14 |
| 2 | 100n 250V | Capacitor_SMD:C_1206_3216Metric | C14, C15 |
| 2 | BAT54 | Diode_SMD:D_SOD-123 | D2, D3 |
| 2 | Conn_01x05 | control_module:PinHeader_1x05_P2.54mm_Vertical_NoSilk | J1, J2 |
| 2 | NOSTUFF | Resistor_SMD:R_0805_2012Metric | R101, R102 |
| 2 | SW_Push | Button_Switch_SMD:SW_SPST_TL3342 | SW3, SW4 |
| 2 | SW_Push | Button_Switch_THT:SW_PUSH_6mm_H4.3mm | SW1, SW2 |
| 2 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP1, TP2 |
| 1 | 1 1% | Resistor_SMD:R_0805_2012Metric | R10 |
| 1 | 120 1/4W | Resistor_SMD:R_1206_3216Metric | R20 |
| 1 | 15k 1% | Resistor_SMD:R_1206_3216Metric | R18 |
| 1 | 2.2nF | Capacitor_SMD:C_0805_2012Metric | C18 |
| 1 | 22.1k 1% | Resistor_SMD:R_0805_2012Metric | R17 |
| 1 | 22n | Capacitor_SMD:C_0805_2012Metric | C16 |
| 1 | 240p | Capacitor_SMD:C_0805_2012Metric | C17 |
| 1 | 250 mA | Fuse:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder | F1 |
| 1 | 3.92k 1% | Resistor_SMD:R_0805_2012Metric | R16 |
| 1 | 340k 1% | Resistor_SMD:R_1206_3216Metric | R19 |
| 1 | 4.99k 1% | Resistor_SMD:R_0805_2012Metric | R9 |
| 1 | 47u | Inductor_SMD:L_TDK_SLF10145 | L1 |
| 1 | AZ1117EH-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | BAT240 | Package_TO_SOT_SMD:SOT-23 | D1 |
| 1 | BSS84 | Package_TO_SOT_SMD:SOT-23 | Q4 |
| 1 | CONN_01X03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | CONN_01X04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | DS3231MZ | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U4 |
| 1 | DX-5R5H334U | control_module:EEC-S0HD334H | C19 |
| 1 | GREEN_LED | LED_SMD:LED_0805_2012Metric | D4 |
| 1 | IRFL214 | Package_TO_SOT_SMD:SOT-223 | Q5 |
| 1 | PJ-064A | control_module:PJ-064X | J5 |
| 1 | STM32F042C6Tx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | UC3843_SOIC8 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
It measures 96 × 38 mm and has 2 copper layers, 1 mm thick.
74 parts, built around the DS3231MZ/V+, BAT54, BAT240A and BSS84. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the gabebuckmaster/nixie_clock repository on GitHub, at the commit this page was made from: the board is electronics/control_module/control_module.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

gabebuckmaster/nixie_clock
A minimalist nixie tube clock design in a cnc-machined hardwood case using IN12B tubes.



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