2 layers47.6 × 27.3 mm
2 layers50.8 × 76.2 mm
4-HCloverMedallion
UserHackable/4H_RibbonCache Makers 4-H Club LED Ribbon
- Size
- 50.8 × 76.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 27
- Nets
- 8
- Pads
- 63
- Tracks, vias
- 153, 1
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 7 Mar 2016
- Updated
- 20 Jul 2026
Overview
4-HCloverMedallion is an open-source printed circuit board by UserHackable, from the UserHackable/4H_Ribbon repository on GitHub. It is a 2-layer board of 50.8 × 76.2 mm with 27 parts on 8 nets, routed with 153 tracks and 1 via.
Its parts include 20 diodes, 1 IC and 1 connector.
README
README.mdThe Cache Makers 4-H Club LED Ribbon is a fun way to introduce soldering.
It does require soldering 20 leds, an 8 pin ATtiny85 microcontroller, a button, and a battery clip.
4-HCloverMedallion
Board dimensions
- (200000, 300000) original units
- (2.0000, 3.0000) inches
- (50.8000, 76.2000) mm
| Front | Back |
|---|---|
 |  |
Parts
27| Qty | Value | Footprint | References |
|---|---|---|---|
| 20 | LED5MM | LED1, LED2, LED3, LED4, LED5, LED10, LED11, LED12, LED13, LED14, LED15, LED16, LED17, LED18, LED19, LED20 +4 | |
| 1 | dummyfp1 | UNK_HOLE_1 | |
| 1 | TACTILE-PTH | RESET0 | |
| 1 | CR2032-THRU | U$1 | |
| 1 | dummyfp0 | UNK_HOLE_0 | |
| 1 | 4H_LOGO_14 | U$2 | |
| 1 | ICSP | 2X3-NS | J1 |
| 1 | TINY85-20-DIP | DIP08 | U1 |
Questions
How big is the 4-HCloverMedallion PCB?
It measures 50.8 × 76.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 4-HCloverMedallion use?
27 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 4-HCloverMedallion KiCad files?
From the UserHackable/4H_Ribbon repository on GitHub, at the commit this page was made from: the board is KiCad/4-HCloverMedallion/4-HCloverMedallion.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the 4-HCloverMedallion 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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