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HAGIWO Sync LFO Main

mzuelch·CATs-Eurosynth·Modules/HAGIWO/Sync LFO/Electronics/Main/HAGIWO Sync LFO Main.kicad_pcb

HAGIWO Sync LFO Main PCB layout, top view — open source AVR/Arduino board by mzuelch
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About the HAGIWO Sync LFO Main PCB

HAGIWO Sync LFO Main is an open source AVR/Arduino PCB design by mzuelch, published on GitHub under the MIT license. It is a 2-layer board measuring 29.2 × 101.6 mm, with 50 components from 34 distinct parts.

Its main chip is the Arduino_Nano_v3.x, from the AVR/Arduino family. Other key parts include the TL072CDT and TL072. By type, the board carries 21 resistors, 13 capacitors, 9 connectors, 4 diodes, 2 ICs and 1 module.

It belongs with the audio designs in this gallery.

From the project

Analog Synth Eurorack Modules

The module is a Arduino-based LFO and can be clocked / synced via the trigger input and offers internal modulation to create complex waveforms. It can be modified / reprogrammed easily with the Arduino IDE.

It offers six waveforms and the following hardware features:

- Panel Design by bkrsmdesign - Knob1: Amplifier control. Set the output voltage - Knob2: Phase control. Set the phase from 0-360° - Knob3: Waveform control. Select the waveform type. - Knob4: Internal modulation, creating complex waveforms. - CLK in: Clock IN. - OUTPUT Voltage 0/+10V - Skiff friendly & 6P - 50 mA draw

HAGIWO Sync LFO Main, from the project README
From the project README

Main components on the HAGIWO Sync LFO Main

TL072CDTTL072Arduino_Nano_v3.x

HAGIWO Sync LFO Main bill of materials (BOM)

50 components, 34 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TL072CDT
TL072
U1
1
TL072
U2
1
Arduino_Nano_v3.x
A1
1
UP Out
J1
1
CLK In
J2
1
BP Inv
J3
1
BP Out
J4
1
Power
J5
3
B100K
P1, P3, P4
1
B100K
P2
1
BAV99
BAV99,215
D1
1
BAV99
LED
D2
2
1N5819
D3, D4
1
100UF/6.3V
220p
C1
1
220p
C2
2
10UF/16V
220p
C3, C4
1
10UF/16V
6.8n
C5
1
100N
10n
C6
1
10UF/16V
100n
C7
1
100N
10u
C8
Show 14 more
QtyPartRefs
4
100n
C9, C10, C12, C13
1
10u
C11
2
3K3
470R
R1, R2
2
33K
470R
R3, R4
1
7K5
13k
R5
1
10K
27k
R6
1
33K
1k
R7
1
33K
300R
R8
2
10K
10k
R9, R13
1
10K
1k
R10
1
27K
10k
R11
1
1K5
100k
R12
6
10k
R14, R15, R17, R18, R19, R20
2
1k
R16, R21

HAGIWO Sync LFO Main design files

The KiCad project lives in the mzuelch/CATs-Eurosynth repository on GitHub; these links point at the commit this page was built from.

HAGIWO Sync LFO Main: common questions

What microcontroller does the HAGIWO Sync LFO Main use?

The HAGIWO Sync LFO Main is built around the Arduino_Nano_v3.x, from the AVR/Arduino family.

How big is the HAGIWO Sync LFO Main PCB?

The HAGIWO Sync LFO Main measures 29.2 × 101.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the HAGIWO Sync LFO Main?

50 components, from 34 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the HAGIWO Sync LFO Main design files?

From the mzuelch/CATs-Eurosynth repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the HAGIWO Sync LFO Main design in my own project?

Yes, under the terms of its MIT license, which mzuelch chose for the repository.

Can I test firmware for the HAGIWO Sync LFO Main without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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