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HAGIWO

HAGIWO

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山景DSP FX other effects and parameter chanes.

山景DSP FX other effects and parameter chanes.

The Chinese DSP reverb module used in the 山景(mountain view) DSP FX Pitch Shifter & Reverb can be changed in terms of effect types and parameters.

Using the APCWrokbench software, the effects can be changed in real time.

The cha...

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The Recognition of China's DIY Modular Synth Scene and Hagiwo

The Recognition of China's DIY Modular Synth Scene and Hagiwo

Recently, a modular synth event was held in Beijing.

https://modularcommune.com/

I was thrilled to hear that a Chinese DIYer showcased the Raspberry Pi Pico VC...

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Wavetable generation python code: additive composition, FM, PWM Duty

https://youtu.be/fud-q7li9Hw

https://note.com/solder_state/n/na0ae5754fa9c

<...

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Event Report: Live Coding by Yamaha Engineers

Event Report: Live Coding by Yamaha Engineers

I attended a live coding performance held in Hamamatsu City, where YAMAHA's headquarters are located.

https://kamoeartcenter.org/events/20240901-loopian/...

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Comparison of the Decay Characteristics of Vactrols Available from China

Comparison of the Decay Characteristics of Vactrols Available from China

Vactrols (analog photocouplers) are becoming increasingly difficult to produce due to the harmful chemicals used in their manufacturing, making them limited and expensive components. However, vactrols produced in China are available globally throu...

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Maker Faire report : Hamamatsu Micro Maker Faire 2024

Maker Faire report : Hamamatsu Micro Maker Faire 2024

A small maker fair event was held in Hamamatsu, Japan, the home of Roland and Yamaha.

https://makezine.jp/event/makerfaire/hmmf2024/

There w...

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Study of HOME BAKE INSTRUMENTS HARMONICS

Study of HOME BAKE INSTRUMENTS HARMONICS

HOME BAKE INSTRUMENTS (HBI), known for creating gadget synthesizers in Japan, has uniquely ventured into selling Eurorack modules. This is an introduction to their very distinctive assembly method.

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Supplementary Information for SSI2131 VCO

Here's some additional information about the DIY SSI2131 VCO module.

https://note.com/solder_state/n/nf47861e3c1ed

2024-06-03 08:43:06 +0000 UTC View Post

Envelope follower module PCB

Envelope follower module PCB

Gerber data, schematic and BOM for the Envelope follower module PCB used in making the opto compressor.

The envelope follower circuit can function as a modular synth module on its own, but it also has its uses in compressor, wah, leve...

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Study of SSI2140 Q VCA function

Study of SSI2140 Q VCA function

Supplemental video for SSI2140 VCF.

One of the useful features of the SSI2140 VCF IC is the Q VCA.

Transistor ladder VCFs have the problem that when the resona...

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Comparison of Vactrol curves

Comparison of Vactrol curves

Vactrol is one of the parts that is difficult to obtain.

We compared LCR0203, which is inexpensive and widely distributed, and NSL-7053, which is used in some modules.

The voltage attenuation characteristics are clearly different.

<...

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Links to DIY Synths

Links to DIY Synths

Article from my BLOG.

I have updated the links to DIY synthesizer circuit examples, knowledge and inspiration.

The articles are in Japanese, but many of the links are in English.

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Electronic Component Shops in Akihabara

Electronic Component Shops in Akihabara

During my visit to the Tokyo Festival Of Modular, I also toured electronic component shops in Akihabara, Tokyo.
Akihabara is well-known for its shops related to anime, games, and a wide array of electronic components.
While it's easy to pu...

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Synthesizer Shops in Tokyo

Synthesizer Shops in Tokyo

During my visit to the Tokyo Festival Of Modular, I took the opportunity to explore several synthesizer shops in Tokyo. Given that these shops are concentrated in certain areas of Tokyo, it's possible to visit all of them within three hours.

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Report : Tokyo Festival of Modular 2023

Report : Tokyo Festival of Modular 2023

I attended the Tokyo Festival of Modular (TFOM) on November 25, 2023.
TFOM is Japan's biggest event for modular synths, featuring exhibitions, sales from modular synth makers, and live performances, among other things.

Due to the impact ...

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Additional information on Bio-feedback module

Additional information on Bio-feedback module

Here is a photo and schematic PDF and a supplemental video of the common mode noise.


https://youtu.be/Wt5gPtadqM0 

Common mode noise is noise that flo...

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Weak Yen, Time to Buy Japanese Modules!

The dollar-yen rate is 150yen/$. This is the lowest level in 25 years.
Now is the best time to buy modules from Japan.


There are two recommended ways to buy.


The first is to buy new Japanese modules from author...

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Small Power supply | 100W , USB Type-C PD

Small Power supply | 100W , USB Type-C PD

I bought a new power supply.

ALIENTEK DP100


Small DC power supply that works with USB PD.

Rated 30V,5A,100W

I bought it at Aliexpress for $53.


It is made in China, but the quality is good.

...

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Jack Quality

For my project I am using very cheap jacks bought from alie...

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Interesting eurorack DIY parts : Dress NUT

Interesting eurorack DIY parts : Dress NUT

電氣美術研究會(EARS :Electronic Arts Research Society), a Japanese DIY modular synth parts store, carries several original products.

https://ears-modular.com/ 

...

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Small project : Simple CV source module

Small project : Simple CV source module

I have made a CVsource module.
It does not have enough features to make a video, so I will publish it on patreon.

4HP , 3 outputs.
Output voltage is adjusted by POT.

The front panel and control pcb are appropriated from the View Post

Arduino uno r4

Arduino uno R4 is now available.

It is equipped with an MCU made by Renesas Electronics, and its faster processing and DAC show great potential.

With 5V I/O and many ADCs, the MCU is easy to use for modular synths compared to the Raspb...

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CV Sample Drum files.

CV Sample Drum files.

Schematic PDF, BOM,additional photos,Gerber data, and arduino program files.

Gerber data contain 3 PCB files , front panel , control PCB , and main PCB.
Front panel is no silk data , only outline data.

Youtube
2023-08-07 08:01:11 +0000 UTC View Post

V3320 VCF Documents and Pictures

V3320 VCF Documents and Pictures

https://youtu.be/AiwqzL1T_vE 

https://note.com/solder_state/n/n372399e1a0f2

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Noise module Documents and Pictures

Noise module Documents and Pictures

https://youtu.be/xWqB_AJDSu4

https://note.com/solder_state/n/n8c53c590193f 

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SYNC MOD LFO from Modulove

SYNC MOD LFO from Modulove

https://modulove.io/

https://modulove.io/shop/eurorack/module/k...

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Idea : Passive claves drum circuit

Proposed claves percussion circuit with gate input as power source.

I will not assemble it because of a few bad points.

1. It is difficult t...

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Introduction of MIDI-related DIY events held in Japan

Introduction of MIDI-related DIY events held in Japan

A DIY event limited to MIDI equipment was held in Japan in April 2023.

I did not participate, but here are some articles in Japanese.


Sequencer with image recognition

Tesla coil performance

Acoustic instrument pe...

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How to shoot video

How to shoot video

Here is an introduction to the equipment and applications for shooting YouTube videos.


1. Camera

I use a smart phone.

These are cheap Chinese smartphones such as Xiaomi.


2.Reco...

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Ryuichi Sakamoto and the Modular Synth

On March 28, 2023, the Japanese musician Ryuichi Sakamoto passed away.

I was influenced by him and started studying electronics and playing music.

My modular synth activities have their roots in Ryuichi Sakamoto.


I wou...

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