2 layers18.5 × 11.1 mm
Switch
byrantech/laptop
anyon_e, a highly integrated, high end, open source laptop. Attempt the impossible.
6 parts4.3kMIT
2 layers27.9 × 29.2 mm
4H LedLight
UserHackable/LED_Light1Simple LED light learn to solder board
- Size
- 27.9 × 29.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 6
- Nets
- 3
- Pads
- 11
- Tracks, vias
- 10, 0
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 8 Apr 2016
- Updated
- 20 Jul 2026
Overview
4H LedLight is an open-source printed circuit board by UserHackable, from the UserHackable/LED_Light repository on GitHub. It is a 2-layer board of 27.9 × 29.2 mm with 6 parts on 3 nets, routed with 10 tracks and 0 vias.
Its parts include 1 diode and 1 switch.
README
README.md4H-LedLight
Board dimensions
- (110000, 115000) original units
- (1.1000, 1.1500) inches
- (27.9400, 29.2100) mm
| Front | Back |
|---|---|
 |  |
Parts
6| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | 4H_LOGO_6 | U$1 | |
| 1 | dummyfp1 | UNK_HOLE_1 | |
| 1 | LED-OVAL | LED1 | |
| 1 | dummyfp0 | UNK_HOLE_0 | |
| 1 | CR2032-THRU | U$2 | |
| 1 | TACTILE-PTH | S1 |
Questions
How big is the 4H LedLight PCB?
It measures 27.9 × 29.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 4H LedLight use?
6 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 4H LedLight KiCad files?
From the UserHackable/LED_Light repository on GitHub, at the commit this page was made from: the board is KiCad/4H-LedLight/4H-LedLight.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the 4H LedLight 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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