HardLabs

Lfo

blthree·synth_schematics·lfo/lfo.kicad_pcb

Lfo PCB layout, top view — open source board by blthree

About the Lfo PCB

Lfo is an open source PCB design by blthree, published on GitHub. It is a 2-layer board measuring 39.6 × 99.1 mm, with 52 components from 17 distinct parts.

Other key parts include the LM324. By type, the board carries 22 resistors, 8 diodes, 8 capacitors, 5 connectors and 3 ICs.

It belongs with the audio designs in this gallery.

Main components on the Lfo

LM324

Lfo bill of materials (BOM)

52 components, 17 distinct parts.

QtyPartRefs
3
LM324
U1, U2, U3
1
Tri+
J1
1
Pulse-
J2
1
Power
J3
1
Pulse+
J4
1
Tri-
J5
4
100K
RV1, RV2, RV5, RV6
2
10K
RV3, RV4
4
BlueLED
D1, D2, D5, D6
4
1N4148
D3, D4, D7, D8
2
1uF
C1, C8
6
100nF
C2, C3, C4, C5, C6, C7
10
10k
R1, R4, R7, R8, R9, R10, R15, R16 +2
2
100k
R2, R20
6
1K
R3, R11, R12, R13, R14, R21
2
22K
R5, R22
2
47K
R6, R19

Lfo design files

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

Lfo: common questions

How big is the Lfo PCB?

The Lfo measures 39.6 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Lfo?

52 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the Lfo design files?

From the blthree/synth_schematics repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Lfo design in my own project?

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

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