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Std edition kxmx_bluemchen_back

Profile:The kxmx_bluemchen is a open source, 4HP, Eurorack module powered by the Electrosmith Daisy Seed.

License: CC-BY-NC-SA 3.0

Published Time: 2021-12-07 11:28:53
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Description

kxmx_bluemchen (Back PCB)

The kxmx_bluemchen is a open source, 4HP, Eurorack module powered by the Electrosmith Daisy Seed.

The Daisy Seed is an embedded DSP development platform with an ARM Cortex-M7 MCU, High fidelity AKM stereo audio codec with up to 24-bit 192kHz, 64MB of SDRAM, and 8MB of flash memory. The Daisy Seed is a formidable platform which already powers a number of reputable Eurorack modules such as the Electrosmith Daisy Patch, the Qubit Surface, and the entire Noise Engineering Versio series.

kxmx_bluemchen detail

The kxmx_bluemchen is a fully open source hardware design that attempts to expose as many capabilities of the Electrosmith Daisy Seed as possible, while remaining a compact 4HP wide. It features:

  • 1 rotary encoder with push-button function
  • 1 64x32 pixel OLED display
  • 2 potentiometers
  • 1 MicroSD card socket
  • 1 MIDI TRS input
  • 2 CV input
  • 2 Audio input
  • 2 Audio output

These hardware features can be used, in combination with the open source software libraries, to create the module that's in your head.

Being built on the Electrosmith Daisy Seed, this module leverages the open source libDaisy library for simple, intuitive access to the hardware features.

The DaisySP library provides you with a rich selection of curated DSP building blocks such as:

  • Synthesis Methods: Subtractive, Physical Modeling, FM
  • Filters: Biquad, State-Variable, Modal, Comb
  • Dynamics: Compressor, Limiter, Crossfade
  • Effects Processors: Reverb, Delay, Decimate
  • Utilities: Math Functions, Signal Conditioning, Aleatoric Generators

If C++ is not your thing, I'm working to make kxmx_bluemchen available as a target for oopsy - Which will allow you to export Max Gen~ patcher to the kxmx_bluemchen hardware.

The kxmx_bluemchen is available as a built module or a DIY kit

kxmx_bluemchen detail

I’ve put up a website and a registration form for anyone genuinely interested in buying a DIY kit or a module

design drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity BOM_Manufacturer Part
1 100uF C9,C18 CAP-TH_BD8.0-P3.50-D1.0-FD 2 50V 100uF 8X12
2 1N4148WS T4 D1 SOD-323_L1.8-W1.3-LS2.5-RD 1 1N4148WS T4
3 LM4040C10IDBZR U7 SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR 1 LM4040C10IDBZR
4 210S-1*2P L=11.6MMGold-plated black H3 HDR-TH_2P-P2.54-V 1 210S-1*2P L=11.6MMGold-plated black
5 TLP2362(TPL,E(T U8 SOP-5 1 TLP2362(TPL,E(T
6 100K R20,R16,R3,R8,R4,R9,R1,R6,R22,R11,R26,R18,R24,R14 R0603_MINIMAL 14 0603WAF1003T5E
7 2.2K R23 R0603_MINIMAL 1 0603WAF2201T5E
8 10K R2,R7,R15,R25 R0603_MINIMAL 4 0603WAF1002T5E
9 47K R30,R31,R32,R33,R34 R0603_MINIMAL 5 0603WAF4702T5E
10 220 R29 R0603_MINIMAL 1 0603WAF2200T5E
11 200K R17,R19 R0603_MINIMAL 2 0603WAF2003T5E
12 MCP6002T-I/SN U4 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1 MCP6002T-I/SN
13 Header-Male-2.54_2x3 J2 HDR-TH_6P-P2.54-V-R2-C3-S2.54 1 Header-Male-2.54_2x3
14 B2405S-1WR2 U3 PWRM-TH_B2405S-1WR2 1 B2405S-1WR2
15 33K R13,R12,R28 R0603_MINIMAL 3 0603WAF3302T5E
16 1K R5,R10,R27,R21 R0603_MINIMAL 4 0603WAF1001T5E
17 A2541WV-7P H4 HDR-TH_7P-P2.54-V 1 A2541WV-7P
18 2.2uH L1,L2 L0603_MINIMAL 2 MLZ1608A2R2WT000
19 10uF C20,C23,C24,C7,C21 C1206_MINIMAL 5 CL31A106KBHNNNE
20 560pF C2,C6 C0603_MINIMAL 2 CL10C561JB8NNNC
21 100nF C12,C14,C4,C3,C13,C15,C19,C8 C0603_MINIMAL 8 CC0603KRX7R9BB104
22 B5819W_C8598 D2,D3 SOD-123_L2.8-W1.8-LS3.7-RD 2 B5819W
23 Eurorack Power 16 Pin IDC J1 MULTICOMP_MC9A12-1634_2X08X2.54MM_STRAIGHT_EURORACK 1 New SchematicLib
24 220S-1*20P H=8.5MM Ytype Gold-plated H1,H2 HDR-TH_20P-P2.54-V 2 220S-1*20P H=8.5MM Ytype Gold-plated
25 47pF C1,C5,C16,C10,C11,C17 C0603_MINIMAL 6 CL10C470JB8NNNC
26 TL084CPWR U2,U5 TSSOP-14_L5.0-W4.4-P0.65-LS6.4-BL 2 TI

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