HardLabs

Happychords

milasudril·happychords

Happychords

About the Happychords PCB

Happychords is an open source PCB design by milasudril, published on GitHub under the Custom license license. It is a board, with 67 components from 18 distinct parts.

Other key parts include the Atom_Dec, Div, LFO, GateLoop and ADSR. By type, the board carries 45 ICs and 22 connectors.

It belongs with the audio designs in this gallery.

From the project

An LV2 software synthesizer for producing electronic dance hooks

Optimize the code Provide a Happy house themed UI. This is implemented in Gtk+2.0. Feel free to port it to whatever you want to use.

g++ 5 or later Maike Octave + image package Python3 Blender LV2Plug Maike addon (see separate project) * Inkscape

LV2Plug (see separate project) Gtk+-2.0 + dependencies

Compiling --------- Just run maike. It may take a while to bake the sprites depending on your computer.

Main components on the Happychords

Atom_DecDivLFOGateLoopADSRMultBlendAddWavesourceFilter

Happychords bill of materials (BOM)

67 components, 18 distinct parts.

QtyPartRefs
1
Atom_Dec
U1
1
Div
U2
1
LFO
U3
1
GateLoop
U4
9
ADSR
U5, U10, U17, U19, U26, U28, U35, U37 +1
18
Mult
U6, U8, U11, U12, U13, U18, U20, U21 +10
1
Blend
U7
5
Add
U9, U15, U24, U33, U42
4
Wavesource
U14, U23, U32, U41
4
Filter
U16, U25, U34, U43
1
MIDI_IN
P1
1
UI
P2
1
Output
P3
5
voice_params
P4, P12, P15, P18, P21
1
LFO
P5
8
voice_ctrl
P6, P7, P8, P9, P11, P14, P17, P20
1
voice_mix
P10
4
bufftemp_0
P13, P16, P19, P22

Happychords design files

The KiCad project lives in the milasudril/happychords repository on GitHub; these links point at the commit this page was built from.

Happychords: common questions

How many components are on the Happychords?

67 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the Happychords design files?

From the milasudril/happychords repository on GitHub, which has a netlist; the links under Design files point to each one.

Can I use the Happychords design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

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