

Numitron clock
Simple clock using numitron iv-9 tubes
- Size
- 97.8 × 38.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 19
- Nets
- 67
- Pads
- 167
- Tracks, vias
- 167, 0
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 26 Sep 2019
- Updated
- 6 May 2020
Overview
Numitron clock is an open-source printed circuit board by pierreca, from the pierreca/numitron-clock repository on GitHub. It is a 2-layer board of 97.8 × 38.1 mm with 19 parts on 67 nets, routed with 167 tracks and 0 vias.
It is built around the TPIC6595N. Its parts include 6 connectors, 4 capacitors and 4 ICs. It belongs with the lEDs and displays boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
readme.mdSimple numitron tubes clock using 595 shift registers.
Hardware
References
Parts
19| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C0, C1, C2, C3 |
| 4 | IV-9 | iv-9:NUM_IV-9 | J0, J1, J2, J3 |
| 4 | TPIC6595 | Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm | U0, U1, U2, U3 |
| 1 | Arduino_Nano | Module:Arduino_Nano | A0 |
| 1 | PWR_JACK | Connector_BarrelJack:BarrelJack_Horizontal | J7 |
| 1 | RTC | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Horizontal | J6 |
The 15 most common of 19 parts.
Questions
How big is the Numitron clock PCB?
It measures 97.8 × 38.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Numitron clock use?
19 parts, built around the TPIC6595N. 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 Numitron clock KiCad files?
From the pierreca/numitron-clock repository on GitHub, at the commit this page was made from: the board is pcb/numitron_clock/numitron_clock.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Numitron clock design in my own project?
Its repository states no licence, so its author keeps all rights: ask pierreca before reusing the design.
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