2 layers203 × 26.6 mm
2 layers100 × 80 mm
Clock Segment
UserHackable/Clock_SegmentClock Segment with Shift Registers
- Size
- 100 × 80 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 54
- Nets
- 57
- Pads
- 149
- Tracks, vias
- 231, 2
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 8 Apr 2016
- Updated
- 20 Jul 2026
Overview
Clock Segment is an open-source printed circuit board by UserHackable, from the UserHackable/Clock_Segment repository on GitHub. It is a 2-layer board of 100 × 80 mm with 54 parts on 57 nets, routed with 231 tracks and 2 vias.
Its parts include 44 diodes, 4 resistors and 2 ICs. It belongs with the lEDs and displays boards of this library.
README
README.mdClock_Segment
Board dimensions
- (393701, 314961) original units
- (3.9370, 3.1496) inches
- (100.0001, 80.0001) mm
| Front | Back |
|---|---|
 |  |
Parts
54| Qty | Value | Footprint | References |
|---|---|---|---|
| 44 | LED-OVAL | LED1, LED2, LED10, LED11, LED12, LED13, LED14, LED15, LED16, LED17, LED18, LED19, LED20, LED21, LED22, LED25 +28 | |
| 4 | AXIAL-0.3 | R1, R2, R3, R4 | |
| 2 | 1X07 | JP1, JP2 | |
| 2 | DM115DIP16 | DIL16 | U1, U2 |
| 1 | SCREWTERMINAL-3.5MM-3 | JP3 | |
| 1 | PCB_DP_RECTANGLE-80X100 | DP10080_V1 | PCB1 |
Questions
How big is the Clock Segment PCB?
It measures 100 × 80 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Clock Segment use?
54 parts. 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 Clock Segment KiCad files?
From the UserHackable/Clock_Segment repository on GitHub, at the commit this page was made from: the board is KiCad/Clock_Segment/Clock_Segment.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Clock Segment design in my own project?
Its repository states no licence, so its author keeps all rights: ask UserHackable before reusing the design.
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