LUN | Clock Divider | DIY Eurorack Full Kit | 4HP
LUN | Clock Divider | DIY Eurorack Full Kit | 4HP
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The LUN Clock Divider Eurorack full Kit is a compact 4HP rhythmic utility designed to split master clock or audio signals into precise binary divisions. Featuring pre-assembled factory SMD components, this complete DIY kit offers a fast, foolproof build requiring only simple through-hole soldering for jacks and headers.
Concept & Design
Part of the 4HP Space Family, LUN, short for Lunar Clock, which is boldly printed across the back of the front panel - acts as your system's rhythmic timepiece. Each of its six division outputs features a unique backlit moon phase graphic that illuminates with incoming pulses, anchored by an elegant half-moon illustration at the base.
Key Features
- Complete DIY Kit: Includes PCB, panel, and all through-hole components.
- SMD Pre-Assembled: Surface-mount components are factory-soldered for an easy build.
- 4024 Binary Counter: Delivers rock-solid division from 1/2 down to 1/64.
- Illuminated Moon Indicators: Custom light-transmissive panel shapes show gate activity.
- Audio & Clock Utility: Use it for polyrhythmic triggers or multi-octave sub-bass generation.
Specs & Panel Details
- Width: 4HP
- Inputs/Outputs: 1 Clock In, 6 Division Outputs (/2, /4, /8, /16, /32, /64)
- Panel Aesthetic: Black solder mask, white silkscreen, and gold-plated (ENIG) exposed copper
- Format: Full DIY Kit (SMD Pre-Assembled)
Important Assembly Note:
Please note a minor silkscreen correction on the main PCB: the polarity indicator for the /64 LED is reversed. Be sure to install the /64 LED in the opposite orientation relative to the board marking (anode/long leg opposite the + marked indicator). All other LED orientations are correct as labeled.
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Video
Showing the backlit moon cycle indicators.
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It is easy to build, just a little bit soldering some parts.
But:
LED's are too dark. I want to replace them with some brighter ones,
but i'm not sure whether the current consumption is to high with the brighter LED's. Where can I get a circuit diagramm of the clock divider?
A critical problem with the PCB could be that there is no clear lettering to install the power connector in the correct position.
The position of the power connector should be marked with "1" for PIN 1
for the red wire (-12 Volt). I was confused of this!
Installing the power connector in the wrong position will destroy the circuit!
Kins regards
Christoph Deissler