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2 layers150 × 25.4 mmBinhacken ruler, the printed circuit board in 3D

Binhacken ruler

binhacken/ruler1

PCB Ruler

Size
150 × 25.4 mm
Copper layers
2
Thickness
1.6 mm
Parts
16
Nets
11
Pads
35
Tracks, vias
65, 3
Pours
2
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
1 Sep 2025
Updated
1 Sep 2025

Overview

Binhacken ruler is an open-source printed circuit board by binhacken, from the binhacken/ruler repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 2-layer board of 150 × 25.4 mm with 16 parts on 11 nets, routed with 65 tracks and 3 vias.

It is built around the SK-3296S-01-L1. Its parts include 6 resistors, 3 diodes, 1 connector and 1 switch.

Main components

1

README

README.md

PCB Ruler "Bright Start"

Ein Platinen Lineal für die Ersti-Tüte der TH Bingen 2025. Mit kleinen cheat-sheets für die Informatik Studierenden.

Front Side of PCB Ruler Back Side of PCB Ruler

Kann zu einer LED Lampe umgebaut werden.

Back Side of PCB Ruler with components

Components

  • PCB (Das Lineal selbst)
  • 3x LED Filament 3V 38mm (D1,D2,D3)
  • 1x USB-C Buchse 6-Pin (J1)
  • 6x Wiederstände 1206
    • 3x 22Ω (R1,R2,R3)
    • 1x 51Ω (R4)
    • 2x 5.1KΩ (R5,R6)
  • 1x 7pin toggle switch (SW1)

Für R1,R2,R3 und R4 können auch höhere Widerstandswerte verwendet werden, um die Helligkeit zu verringern. R5 und R6 sind für USB und sollten 5.1KΩ haben (im Notfall gehen auch 4.7KΩ – 5.6KΩ).

Der Schalter (SW1) ist dafür da zwischen 2 Helligkeitsstufen zu wählen. Wer stattdessen einen an/aus Schalter bevorzugt, kann R4 weglassen.

Wir haben die passenden Bauteile und Werkzeug parat, komm gerne vorbei! https://binhacken.de/

Placement

Es empfiehlt sich, die Bauteile wie folgt auf der Platine zu platzieren:

  1. Die USB-C Buchse (J1) und der 7pin toggle switch (SW1).
  2. Die Widerstände (R1-R6)
  3. Die LEDs (D1-D3)

Wer wenig Erfahrung mit Löten hat, kann auch gerne mit einem der Widerstände (R1-R6) beginnen, da diese in der Regel einfacher zu löten sind. Auch wenn die USB-C Buchse und der Schalter etwas anspruchsvoller zu löten sind, sollten sie nicht zuletzt platziert werden, da die kleinen Pads sonst schwerer zugänglich sind.

Eine Interaktive Ansicht der Platine gibt es hier: https://htmlpreview.github.io/?https://github.com/BinHacken/ruler/blob/main/bom/ibom.html

Ordering

Folgende Optionen haben wir bei JLC gewählt:

  • Deburring/Edge rounding: Yes
  • PCB Thickness: 1mm
  • Surface Finish: Leadfree HASL
  • Mark on PCB: Remove Mark

Parts

16
QtyValueFootprintReferences
322R_mykicadlib:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR1, R2, R3
3LED_mykicadlib:LED_Filament_38mmD1, D2, D3
25K1_mykicadlib:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR5, R6
2LOGO_mykicadlib:binhacken-axe-10mm-filledG***, G***
2LOGO_mykicadlib:binhacken_axe_10G***, G***
151R_mykicadlib:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR4
1LOGO_artwork:oshw_logo_smallG***
1SK-3296S-01-L1_easyeda2kicad:SW-SMD_3P-P1.50_L2.7-W6.6SW1
1TYPE-C 6P_easyeda2kicad:TYPE-C-SMD_TYPE-C-6PJ1

Questions

How big is the Binhacken ruler PCB?

It measures 150 × 25.4 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Binhacken ruler use?

16 parts, built around the SK-3296S-01-L1. 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 Binhacken ruler KiCad files?

From the binhacken/ruler repository on GitHub, at the commit this page was made from: the board is binhacken-ruler.kicad_pcb and its schematic binhacken-ruler.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Binhacken ruler design in my own project?

Its repository publishes it under the CERN-OHL-P-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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