6 layers225.3 × 53.3 mm
6 layers
Nixie clock
dalvador2/nixie_clock- Copper layers
- 6
- Thickness
- 1.6 mm
- Parts
- 174
- Nets
- 272
- Pads
- 739
- Tracks, vias
- 30, 8
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 27 Sep 2024
- Updated
- 24 Mar 2025
Overview
Nixie clock is an open-source printed circuit board by dalvador2, from the dalvador2/nixie_clock repository on GitHub, published under the GPL-3.0 licence. It is a 6-layer board with 174 parts on 272 nets, routed with 30 tracks and 8 vias.
It is built around the PCA9685BS. Its parts include 79 ICs, 78 resistors, 8 capacitors, 1 diode and 1 transistor. It belongs with the lEDs and displays boards and the RP2040 boards of this library.
Main components
1Parts
174| Qty | Value | Footprint | References |
|---|---|---|---|
| 72 | MSD42WT1G | footprints:SOT-323-3_2P2X1P35_ONS | U1, U2, U10, U11, U12, U16, U17, U18, U19, U20, U21, U22, U23, U24, U25, U26 +56 |
| 60 | 1K | Resistor_SMD:R_0603_1608Metric | R2, R10, R11, R12, R14, R15, R16, R17, R18, R20, R21, R22, R23, R24, R26, R27 +44 |
| 12 | 7K87 | Resistor_SMD:R_0603_1608Metric | R1, R7, R13, R19, R25, R31, R37, R43, R49, R55, R66, R73 |
| 6 | IN14 | Nixie_Stuff:IN14 | V1, V2, V3, V4, V5, V6 |
| 5 | PCA9685BS | Package_DFN_QFN:QFN-28-1EP_6x6mm_P0.65mm_EP4.25x4.25mm | U13, U15, U28, U41, U54 |
| 2 | 10u | Capacitor_SMD:C_1210_3225Metric | C1, C8 |
| 1 | 100n | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | 100n | Capacitor_SMD:C_1812_4532Metric | C7 |
| 1 | 10m | Resistor_SMD:R_0805_2012Metric | R61 |
| 1 | 13K | Resistor_SMD:R_0603_1608Metric | R63 |
| 1 | 150n | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | 1M6 | Resistor_SMD:R_0603_1608Metric | R62 |
| 1 | 20R | Resistor_SMD:R_0603_1608Metric | R64 |
| 1 | 2u2 | Capacitor_SMD:C_2220_5750Metric | C6 |
| 1 | 300K | Resistor_SMD:R_0603_1608Metric | R65 |
| 1 | 4u7 | Capacitor_SMD:C_0603_1608Metric | C5 |
| 1 | 560p | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 750312367 | 750312367:750312367 | T1 |
| 1 | 86K6 | Resistor_SMD:R_0603_1608Metric | R72 |
| 1 | D | Capacitor_SMD:C_1812_4532Metric | D1 |
| 1 | LT3759EMSE-TRPBF | LT3759EMSE:MSOP-12_MSE_LIT | U79 |
| 1 | PicoW | RPi_Pico:RPi_PicoW_SMD | U14 |
| 1 | Q_NMOS_GDS | Package_TO_SOT_SMD:LFPAK56 | Q1 |
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Questions
What parts does the Nixie clock use?
174 parts, built around the PCA9685BS. 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.
Where can I download the Nixie clock KiCad files?
From the dalvador2/nixie_clock repository on GitHub, at the commit this page was made from: the board is nixie_clock.kicad_pcb and its schematic pcb/nixie_clock/Nixie_Block.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Nixie clock design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).