HardLabs

11 fm drum

bmurauer·cynthia·kosmo/kosmo_fm_drum/11_fm_drum/11_fm_drum.kicad_pcb

11 fm drum PCB layout, top view — open source board by bmurauer

About the 11 fm drum PCB

11 fm drum is an open source PCB design by bmurauer, published on GitHub. It is a 2-layer board measuring 80 × 100 mm, with 113 components from 40 distinct parts.

Other key parts include the TL072 and TL074. By type, the board carries 52 resistors, 18 diodes, 17 capacitors, 13 transistors, 2 ICs and 2 connectors.

It belongs with the audio designs in this gallery.

From the project

Plans for my modular synthesizer

Plans for my modular synthesizer, named Cynthia.

I have split the modules into folders with numbered names. These numbers only correspond to the order that I included them into this project. Every project should at least contain: - a README.md with more information about the module - schematics for the schematics, made in KiCAD - stripboard for the design of the stripboard (you don't need this if you order proper PCBs). I use DIY Layout Creator for this. - panel for the Kosmo-format (20cm height) panels. I use a custom template for OpenSCAD which can be found in lib/kosmo.scad. On linux, you…

Main components on the 11 fm drum

TL072TL074

11 fm drum bill of materials (BOM)

113 components, 40 distinct parts.

QtyPartRefs
1
TL072
U1
1
TL074
U2
5
BC558
Q1, Q3, Q5, Q7, Q13
8
BC548
Q2, Q4, Q6, Q8, Q9, Q10, Q11, Q12
1
Conn_02x05_Odd_Even
J1
1
Conn_01x06
J2
3
100k
RV1, RV4, RV5
1
1M
RV2
1
250k
RV3
1
2M
RV6
1
500k
RV7
2
SW_SPDT
SW1, SW2
18
1N4148
D1, D2, D3, D4, D5, D6, D7, D8 +10
1
103
C1
2
47uF
C2, C3
1
474
C4
6
104
C5, C6, C7, C8, C9, C10
1
562
C11
2
471
C12, C14
1
222
C13
Show 20 more
QtyPartRefs
1
153
C15
1
105
C16
1
331
C17
16
100k
R1, R5, R11, R19, R20, R21, R24, R26 +8
3
33k
R2, R17, R18
1
470
R3
2
39k
R4, R16
4
1k
R6, R7, R43, R52
7
10k
R8, R12, R25, R27, R28, R31, R46
1
47k
R9
1
3.3
R10
2
2k
R13, R37
3
470k
R14, R42, R51
4
1M
R15, R23, R39, R45
2
51k
R22, R38
2
200k
R30, R48
1
18k
R34
1
47
R40
1
68k
R47
1
4.7k
R49

11 fm drum design files

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

11 fm drum: common questions

How big is the 11 fm drum PCB?

The 11 fm drum measures 80 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 11 fm drum?

113 components, from 40 distinct parts. The full bill of materials is listed on this page.

Where can I download the 11 fm drum design files?

From the bmurauer/cynthia repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the 11 fm drum design in my own project?

The repository has no license, so all rights stay with bmurauer. Use it as a reference, and ask the author before reusing the design.

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