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VinyGo, a stereo vinyl recorder

For artists, vinyl stores, recording studios, or music lovers

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Music has accompanied men across the time, and artists transmit messages or emotions through their music. Studies show that music gives us motivation and pleasure. Promotes memory and helps to make sports. Reduces stress, anxiety, and pain. An enjoyable support to listen to music is the vinyl. Because the object is real, it has defaults, and it gives us the possibility to arrange a space to oneself in our house. Handling a vinyl, it's a true moment of happiness.

The goal of this project is to refresh the gramophone concept to build a vinyl recorder, easier, more accessible, and affordable. Is made for artists, vinyl stores, recording studios, DJs, or music lovers. Lot of music bands mistakenly think that a custom vinyl is expensive or is only for big music productions. VinyGo project will show you that you can create your own vinyl easily for less than 4 dollars/vinyl.

Logs section summary:

Functional diagram

Electronic

The PCB

Mechanic V1

Mechanic V2

Software

Flash LCD Nextion

Flash and build ESP32

List and cost of components

Getting started and functioning

1) Overview

1.1) Opportunity for vinyl recorders

Currently, vinyl disc industry facing to a shortage of polymers. This is due to the fire at the Apollo Masters factory and the covid-19 sanitary crisis. Order delays are very long and the prices have increased about 30% to 40% for industrial vinyl pressing. This leads to an almost impossible access to the small customer because the biggest customers are delivered before. It is therefore the small groups of music which have difficulty in making their own small series of vinyls. Vinyl recorders can solve this problem and make album creation accessible to small music bands (20 or 50 copies).

1.2) What vinyGo offers

Refresh old-fashioned vinyl technology by creating your own vinyls for:

  • DJs: Preparing your mixes on vinyl before your party,
  • Artists and music bands: Record your album on vinyl for you and your family, 
  • Vinyl stores and small recording studios: Offers a vinyl engraving service to your customers, 
  • Music lovers: Your favorite song does not exist on vinyl so create it.

1.3) How a vinyl recorder works

Burn sound on a matrix (vinyl) 

It is the engraving of the audio signal by microgrooves on a matrix. Sound recording is in real time. A diamond, connected to two speakers (for stereo), vibrates above the blank lacquer which turns at 33 or 45 turns. The vibration is made by the speaker when the audio signal is played. This means that a groove is the exact representation of the speaker membrane vibration.

Mastering & Cutting

Before cutting the vinyl you have to apply some equalization like an iRIAA to the audio file. For the “cutting” you need to use a specific engraving diamond with an angle of 90 °.

1.4) Video

Note: The video sound is the sound of vinyl!

Sound extract "eye of the tiger" less than 20sec to respect copyright, and show the sound quality:

The proof:

2) Sagittal diagram


2.1) Description of the links

Note: VinyGo sound mastering can be done by software or by an extended board. Use L4 link if you use sound mastering by software or L2/L3 if you use a VinyGo sound mastering board. In this project presentation we use sound mastering software.

2.1.1) User

L1/L1’ : 

  • Select a playlist of music on your media player
  • Configure the sound mastering
  • Configure the MIDI commands of your media player for the start, middle, and end groove

L6/L6’ :

  • Input/output to use the test mode
  • Input/output to use the calibration mode
  • Input/output to use the configuration mode
  • Input/output to use the update mode
  • Input/output to use the manual mode for the cutting vinyl
  • Input/output to use the automatic mode for the cutting vinyl

L11 :

  • Power on/off the vacuum cleaner

L12 :

  • Turntable configuration (33, 45, 78TRM)

L13 :

  • Adjust the sound volume

2.1.2) Media player

L1/L1’ :

  • Inform the user of the playlist select
  • Inform the user of the MIDI commands select
  • Inform the configuration of the sound mastering

L2 :

  • Useless (see note above)

L7/L7’ :

  • Allows to send MIDI commands to the vinyGo controller to automatically change parameters (like speed motor). 

L4 :

  • Sound signal with mastering

2.1.3) ViniGo system

2.1.3.1) ViniGo controller

L6/L6’ : 

  • Inform the user of the current mode
  • Inform the user of detected errors
  • Depending on the mode, inform the user of the recorder time, position of the engraving head, diamond heating, state of the sensors, ...

L7/L7’ :

  • Send MIDI commands to the media player

L9/L9’ :

  • Get the information of the sensors
  • Raising and lowering the head automatically

2.1.3.2) ViniGo sound mastering

L2 :

  • Sound signal without mastering (useless, see note above)

L3 :

  • Sound signal with mastering...
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x-zip-compressed - 295.72 kB - 01/24/2023 at 20:31

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x-zip-compressed - 233.64 kB - 01/20/2023 at 15:25

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VinyGo.zip

In this zip file: All 3D files. all hardware files.t the full code for the WROOM32 MCU module and LCD, tools for the project.

Zip Archive - 38.92 MB - 08/29/2021 at 20:30

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  • 20 × Worm (M4)
  • 1 × Worm chicago (5mm)
  • 2 × Tweeter 120 Watt minimum
  • 1 × Strong glue (epoxy)
  • 1 × Lacquer cutting diamond

View all 14 components

  • ​ Some news!

    mras2an10/09/2021 at 09:52 0 comments

    Currently, three peoples are use the VinyGo board on their own vinyl recorder.

    On top of that, one company has adapted its vinyl recorder to use it with the VinyGo board.

    Two people from the Hackaday community started building all the VinyGo system. I am looking forward to see photos. One of them found a synthetic diamond manufacturing company for vinyl recorders. The costs of the synthetic diamond is about $ 12 instead of $ 100 (but we have to rework it). However, this is revolutionizing and makes the price of the VinyGo system cheaper.

    A friend of mine has also started to build VinyGo system.

  • 11) Getting started and functioning

    mras2an08/29/2021 at 20:14 0 comments

    You have to clone VinyGo git repository: git clone https://github.com/Mras2an/VinyGo.git

    11.1) Hardware connection

    11.2) Compile and program the code

    See log 9) Flash and build ESP32

    11.3) First boot

    1 - Power on the VinyGo board, You see the LCD test menu.

    2 - Click on it, and check all the tests (sensors, and commands). If it OK return to the menu

    3 - Go to the calibration menu and make your calibration for 7, 10, and 12p vinyl.

    4 - The system is ready, enjoy :-)

  • 10) List and cost of components

    mras2an08/29/2021 at 19:49 0 comments

    PC

    ~ 200 $

    Turntable (you have to use direct drive whit high torque and not belt drive)

    ~ 250 $

    Mix table

    ~ 50 $

    Ampli

    ~ 50 $

    PreAmpli

    ~ 50 $

    VinyGo board with motors, sensors and LCD

    ~ 117,37 $

    VinyGo mechanic with diamond and 120W audio tweeters (if you have 3D printer)

    ~ 230 $

    Cables (RCA, MIDI, Jack)

    ~ 30 $

    Total

    977,37 $

  • 9) Flash and build ESP32

    mras2an08/29/2021 at 19:44 0 comments

      Cf tuto: Get Started esp32 — ESP-IDF Programming Guide latest documentation

    9.1) On GNU/Linux

    $ cd VinyGo/03_Software/ESP32/

    $ export IDF_PATH=$PATH/esp-idf/

    $ export PATH="$PATH:$HOME/Project/esp32/xtensa-esp32-elf/bin"

    $ make

    9.2) Flash ESP32

    9.2.1) On GNU/Linux

    link on binaries: https://github.com/Mras2an/VinyGo/tree/master/03_Software/ESP32/build

    $ python esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 115200 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 40m --flash_size detect 0x1000 $PATH/bootloader.bin 0x10000 $PATH/VinyGo.bin 0x8000 $PATH/customPart.bin

    9.2.2) Via Wifi (only if you have already done 9.2.1)

    ( https://www.python.org/downloads/release/python-2712/ )

    • Click on update in the VinyGo update menu (lcd).
    • Connect your PC at wifi “HRC” password “HRC2yBqT”

    On your PC execute the commands:

    GNU/Linux

    $ python  $PATH/update_firmware.py 192.168.52.1 $PATH/VinyGo.bin

    Windows

    C:\Users\Desktop\VinyGo>py update_firmware.py 192.168.52.1 VinyGo.bin

    or

    C:\Users\Desktop\VinyGo>python update_firmware.py 192.168.52.1 VinyGo.bin

    connecting to 192.168.52.1...

    connected, socket = <socket._socketobject object at 0x02582EA0>

    sending 'start OTA' command to target...

    sending fragment 1 of 125 (4096 bytes)

    ...

  • 8) Flash LCD Nextion

    mras2an08/29/2021 at 19:37 0 comments

    - Open project with Nextion editor (link: https://github.com/Mras2an/VinyGo/tree/master/03_Software/LCD_Nextion)
    - Connect the USB/RS232 cable at PC and on Nextion LCD (Rx, Tx, GND)
    - In Nextion editor click on Update

  • 7) Software

    mras2an08/29/2021 at 19:32 2 comments

    There are two micro-controllers on VinyGo. The master uses an ESP32, and the slave uses a stm32 for the HMI on the LCD touchpad. Both communicate via an UART protocol.

    It can be downloaded on the VinyGo git project. https://github.com/Mras2an/VinyGo/tree/master/03_Software

    7.1) UART protocol

    I created an UART protocol for the slave and master communication. Each frame is made as follows:

    Frame example to enter in system mode: 0x55 42 53 06 53 79 73 74 65 6d 54

    Start byte

    Header byte

    Command byte

    Data size

    Data

    End byte

    0x55

    0x42

    0x53

    0x06

    0x53 0x79 0x73 0x74 0x65 0x6d

    0x54

    7.2) IHM on LCD touchpad

    I chose a Nextion LCD touchpad and Nextion editor v0.53. With this LCD screen, we can design an HMI simply with drag and drop. Each text and button uses the UART protocol seen above.

    7.2.1) Manual mode

    With the manual mode we can adjust all the parameters of the burner one by one, like motor speed, stylus heating.

    7.2.2) Automatic mode

    With the automatic mode we just need to choose the vinyl size (7", 10", 12") and the time of your playlist. After that all is made automatically. The MIDI commands received in this mode increase or decrease the motor to create the start, middle, and end groove on the vinyl. 

    7.2.3) Test mode

    If you have operating issues this mode is for you. You can test all sensors and commands. 

    7.2.4) Update mode

    Very useful to send an update on VinyGo by OTA. VinyGo create its own AP, once connected to it you can send new software with a python tool (https://github.com/Mras2an/VinyGo/tree/master/03_Software/Utils)

    7.2.5) System mode

    System information like RAM, AP, ...

    7.2.6) Calibration mode

    VinyGo board is designed for several mechanics, so if you have your own mechanic you can use this mode to define the start of a 12, 10 or 7p vinyl.

    7.3) Master

    7.3.1) WROOM-32 module

    I chose the Wi-fi WROOM-32 module because this module has a nice memory capacity, a simple and complete SDK with a lot of examples. It is also very practical to update the binary by OTA to avoid having to connect wires during the development phase.

    7.3.2) SDK-IDF

    I chose SDK-IDF on the v3.1 branch. The SDK-IDF has a lot of contributors. It is available on github: https://github.com/espressif/esp-idf.git

    7.3.3) Flash partition

    To allow the update of the system via the wifi we need more partitions. Espressif proposes the possibility to create a cvs file to define the addresses. Here is the one of the VinyGo:

    # Name, Type, SubType, Offset, Size, Flags

    otadata,data,ota,0xd000,8K,

    phy_init,data,phy,0xf000,4K,

    factory,app,factory,0x10000,1M,

    ota_0,app,ota_0,0x110000,1M,

    ota_1,app,ota_1,0x210000,1M,

    nvs,data,nvs,0x315000,500K,

    So we have a partitioned memory as follows:

    |   Addr       |   Binaries            

     -------------------------------------

    | 0x001000 |  Bootloader.bin    

    | 0x008000 |  Partitions.bin      

    | 0x010000 |  Factory.bin         

    | 0x110000 |  OTA_0.bin          

    | 0x210000 |  OTA_1.bin          

    | 0x315000 |  NVS (500Ko)     

    | 0x3F0000 |  Free                    

    7.3.4) The architecture

    7.3.4.1) The Espressif SDK

    The SDK used is the SDK-IDF on the v3.1 branch available on github at (https://github.com/espressif/esp-idf). This is the official development system of the ESP32 chip.

    7.3.4.2) The drivers

    Used for different hardware interactions such as motors, or the functionality of the WROOM32 module (Gpio, wifi, OTA, UART, PWM, ...).

    7.3.4.3) The HAL and OSAL

    HAL and OSAL allow simple porting of VinyGo to another SDK, OS, or hardware platform.

    7.3.4.4) The application...

    Read more »

  • 6) Mechanic V2

    mras2an08/29/2021 at 19:26 0 comments

     All these STL files can be downloaded on the VinyGo git project. https://github.com/Mras2an/VinyGo/tree/master/01_3D%20Modeling

    This mechanic is in the testing phase, this is why I am not presenting it at the 2021 Hackaday price. It just to show that the project is evolving for a better version. it is optimized to reduce the number of 3D parts.



  • 6) Mechanic V1

    mras2an08/29/2021 at 19:23 0 comments

     All these STL files can be downloaded on the VinyGo git project. https://github.com/Mras2an/VinyGo/tree/master/01_3D%20Modeling

     This mechanic works well, it is a proof of concept but we have lot of small 3D pieces to print.

    6.1) Structure

    6.1.1) Standard mechanical pieces

    Standard pieces for the structure can be purchased on the internet, here is the list:

    • Profiled aluminum 40x4cm
    • Worm screw 50cm, (diameter : 8mm)
    • Ball bearings
    • Steel rod 50cm, (diameter : 8mm)
    • Worm (M4)

    6.1.2) 3D pieces example

    6.2) Head

    6.2.1) Standard mechanical pieces

    Standard pieces for the head can be purchased on the internet, here is the list:

    • Worm chicago (5mm)
    • Worm (M4)
    • Tweeter 120 Watt minimum
    • Strong glue (epoxy)
    • Lacquer cutting diamond
    • Spring

    6.2.2) 3D pieces example


    6.3) Stylus

    This is the most expensive part, because we need a cutting “diamond”. It can be purchased on the internet for more than 100$. For a cost reduction, some people use Roland blades, around 5$ but it is not the same sound quality.

    Diamond

    Roland blade


  • 5) The PCB

    mras2an08/29/2021 at 19:06 0 comments

    All schemas and PCB (gerber), can be downloaded on the VinyGo git project. https://github.com/Mras2an/VinyGo/tree/master/02_Hardware

    The PCB does not have any particular constraint except to respect the "hardware design" proposed by Expressif to have the best radio performances. “make sure that the module is not covered by any metal shell. The antenna area of the module and the area 15 mm outside the antenna should be kept clean”.


    5.1) PCB components list (Price in $)
    The BOM can be found here: https://github.com/Mras2an/VinyGo/tree/master/02_Hardware

  • 4) Electronic

    mras2an08/29/2021 at 18:57 0 comments

    All schemas and PCB (gerber), can be downloaded on the VinyGo git project. https://github.com/Mras2an/VinyGo/tree/master/02_Hardware

    4.1) Structural diagram

    4.1.1) FS1.1: Power supply

    Create power for all features on VinyGo Board. Input voltage 12V 5A, output voltage, +12v, +5V, +3.3V, 0V.

    DC1: 12V connector

    D19: Protection diode.

    R64, LED4: Bleu LED,information on the powered board.

    C1, C2: Polarized chemical capacitors. They perform the filtering, and allow a decoupling in case of power supply

    C2, C16, C3: Plastic capacitor, serves as an anti-parasite to suppress high frequencies (it is recommended in the technical documentation).

    U1: 5V regulator, it allows to regulate the input voltage 12V DC in a voltage of 5V DC. According to the manufacturer's documentation of the 78XX, a minimum input voltage of the output voltage plus Vdrop (2V) or Ve = Vs + Vdrop = 5 + 2 = 7V minimum is required for proper operation.

    U4: 3.3V LDO, it allows to regulate the input voltage 5V DC in a voltage of 3.3V DC.

    4.1.1.1) Calculation of a radiator

    Pmax = (Tj – Ta)/RTHja = (125-25)/65 = 1,5W

    Supposition for 3V3 WROOM32: 90mA, other 50mA max

    Isystem = 90+50 = 140mA

    Putil(3.3V) = Isystéme*(Ve-Vs) = 140*10^-3*(12-3.3) = 1,218W

    Putil<Pmax.

    Supposition for 5V: Servo motor 120mA, Sensors 40mA, MIDI 10mA,  other 60mA

    Isystem = 120+40+10+60 = 230mA

    Putil(5V) =  Isystéme*(Ve-Vs) = 230*10^-3*(12-5) = 1,61W

    Putil>Pmax.

    The utility of a radiator for regulators 3V3 is not essential at room temperature. 

     But we need a radiator for 5v.

    4.1.2) FS1.2: LCD touch screen

    Display digital information for the user and make order acquisition by the microcontroller.

    Q1, R14, R14: Convertor 3.3V to 5V

    R18, R19: Convertor 5V to 3.3V

    U5: Nextion HMI display connects to peripheral MCU via TTL Serial (5V, TX, RX, GND) to provide event notifications that peripheral MCU can act on, the peripheral MCU can easily update progress, and status back to Nextion display utilizing simple ASCII text-based instructions.

    U8: 5V regulator, it allows to regulate the input voltage 12V DC in a voltage of 5V DC. According to the manufacturer's documentation of the 78XX, a minimum input voltage of the output voltage plus Vdrop (2V) or Ve = Vs + Vdrop = 5 + 2 = 7V minimum is required for proper operation.

    4.1.2.1) Calculation of a radiator

    Pmax = (Tj – Ta)/RTHja = (125-25)/65 = 1,5W

    Supposition for LCD 5v: 130mA max

    Isystem = 130mA

    Putil(5V) = Isystéme*(Ve-Vs) = 130*10^-3*(12-5) = 0,91W

    Putil<Pmax.

    The utility of a radiator for LCD is not essential at room temperature. 

    4.1.3) FS1.3: Sensors

    Detection of engraving head positions.

    P13, R11, R12: Connector for hall sensor to detect end of 7p vinyl.

    P7, R3, R10: Connector for hall sensor to detect end of 12p vinyl.

    P12, R9, C18: Connector to detect if the engraving head is up or down

    P8, R4, C8: Connector to detect if the tray is on begin position.

    P9, R5, R6: NOT use

    4.1.4) FS1.4: MIDI

    Technical standard that describes a communications protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, computers, and related audio devices for playing. 

    Q16, R45, R54: Convertor 3.3V to 5V

    R55, R59: Convertor 5V to 3.3V

    MIDI1, MIDI2, Connector In and Out for MIDI.

    R33, D9, U6, U7: Convertor of MIDI to Rx UART.

    R35, UT: Convertor of Tx UART to MIDI.

    4.1.5) FS1.5: Uc

    Ensures through a programmed treatment (software) the acquisition, processing and return of information. It communicates with the motors(PWM), sensors(GPIO), LCD(UART), MIDI commands(UART), and offers inputs / outputs to add additional functionality like VinyGo sound mastering.

    R1, C4, P2: Allows a reset on the wroom32.

    C5, C6: Used to filter high and low frequencies.

    P4: Allows programming the wroom32 via a UART.

    P3: Set wroom32 to programming mode.

    4.1.5.1) Definition of the inputs, outputs of the micro-controller....

    Read more »

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  • 1
    Assembly left side
  • 2
    Assembly right side
  • 3
    Assembly for version 1


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Discussions

hbanko wrote 01/22/2023 at 03:16 point

I have built the PCB and got all parts but I am stuck and not hearing back from the author. It would be really helpful to have some clear instructions how the ESP32 flashing works. Thats where I am stuck. On the P4 header, what is RX and TX? Is ground on the bottom of the circuit board or inside? The boot jumper is supposed be on or off? The reset jumper should be off? It would just help to have the "exact" information to take out the guessing. What is a good indicatior that flash was successfull? That the "HRC" access point would instantly show up after powering up?

  Are you sure? yes | no

mras2an wrote 6 days ago point

do not hesitate to comment on things that are not clear, this may help others... for the ESP, the explanation of the flashing is in the datasheet. you have to put the jumper and power the card then flash. once finished turn off the power, remove the jumper and power the card. if you watch on a terminal at 115200 baud you must have logs

  Are you sure? yes | no

hbanko wrote 01/22/2023 at 03:09 point

A cool project, but unfortunately the docmentation has a lot of gaps. That just makes it really hard to troubleshoot if things are not going according to plan.

  Are you sure? yes | no

mras2an wrote 6 days ago point

The project is not easy to build I agree, there are more than 40 pages of explanation and it would take twice that. feel free to comment on things that are not clear, it may help others...

  Are you sure? yes | no

LeeQC23 wrote 01/18/2023 at 21:46 point

Hi ! 

Any details and informations on the sourcing of sapphire / diamond for lathe cutting ? Searched a lot on the web, just found one source from the T560 vinyl recorder...

Thanks !

  Are you sure? yes | no

zokensginsing747 wrote 01/17/2023 at 15:05 point

?

  Are you sure? yes | no

Ganbaa wrote 01/12/2023 at 14:39 point

Hello I am happy to say that this is a really cool project.
We are trying to do this project but There is an error “Damaged”on the LCD display program. Can you send the file of the program through email or re-upload it somehow? Thank you

  Are you sure? yes | no

mras2an wrote 01/16/2023 at 15:42 point

hello what danage do you have? I dont have it. Do you try to flash the lcd with sdcard ?

  Are you sure? yes | no

Ganbaa wrote 01/17/2023 at 14:30 point

Nextion editor can't open hrcNextion.HMI file. When I open hrcNextion.HMI file "Wrong resource file or resource file has been damaged" popup shows on Nextion editor. 

Plse chek pm sent you pic

  Are you sure? yes | no

mras2an wrote 01/18/2023 at 08:01 point

I think you dont use the same nextion version as me... (v0.53). Use this version or try with sdcard

  Are you sure? yes | no

Nick wrote 01/10/2023 at 13:07 point

Hello. I’d really like to begin building this project ASAP. I’ve tried to have the PCB assembled, but they are having trouble identifying about 10 parts on the BOM, mainly the capacitors. For example, what is 47u on this BOM? Is there anyone who can help me identify these parts? Thank you.

  Are you sure? yes | no

FORART fe wrote 12/01/2022 at 19:15 point

Hi there, this is a very fun and interesting project !!


Suggestion: what about LASER cut ?


Check out this MVVBlog video to get an idea: https://www.youtube.com/watch?v=nazpxrtvpoM


Hope that inspires !

  Are you sure? yes | no

Woxoshd wrote 09/16/2022 at 11:22 point

Hi everyone, i did not found the références of the différents sensors in the bom, anybody know what are they?

Same for the heater, i cant find a reference.

My pcb and mechanic are ready but incomplete...

  Are you sure? yes | no

lkrizane wrote 10/22/2022 at 21:03 point

I think that sensors are standard hall sensors and limit switches like on 3d printers (see links). I`m also making VinyGo and many thing are unclear. I`ve made electronics and testing is in progress. Mechanics will be finished in near future. If you find heater and link for needle please post here. Thanks !

https://www.aliexpress.com/item/32663114987.html?spm=a2g0o.productlist.0.0.6aca17eajdhBy8&algo_pvid=7e62e760-cadf-4037-b01c-4596eccdc5d9&algo_exp_id=7e62e760-cadf-4037-b01c-4596eccdc5d9-49&pdp_ext_f=%7B%22sku_id%22%3A%2259987436864%22%7D&pdp_npi=2%40dis%21USD%212.61%212.45%21%21%210.26%21%21%402101e9d516664717498558878e87e2%2159987436864%21sea&curPageLogUid=wfsOf3hl5PD1

https://www.aliexpress.com/item/32273125391.html?spm=a2g0o.productlist.0.0.56335cd260SfbT&algo_pvid=a7697e7a-bc00-413a-8683-8a8b6a43a367&aem_p4p_detail=202210221400412596094046164880002765455&algo_exp_id=a7697e7a-bc00-413a-8683-8a8b6a43a367-0&pdp_ext_f=%7B%22sku_id%22%3A%2212000024479250586%22%7D&pdp_npi=2%40dis%21USD%210.64%210.59%21%21%211.06%21%21%40210318c916664724414868842e6f16%2112000024479250586%21sea&curPageLogUid=wCgVWBlVZQiU&ad_pvid=202210221400412596094046164880002765455_1

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Cedric wrote 11/28/2022 at 20:55 point

Hi ! Trying to figuring out all parts and references of the BOM. but I miss a lot of infos. Like what kind of capacitor 47u or 10u stands for.  Someone that already built a pcb + components could share his BOM with suppliers and references please ?

  Are you sure? yes | no

lkrizane wrote 08/27/2022 at 06:33 point

Anybody can help me with drill files ? I cant export them to GCODE file. Anybody has it converted ? Maybe Top + bottom layer + drills in GCODE ? Thanks

  Are you sure? yes | no

HoocH wrote 05/02/2022 at 17:14 point

hello i like buy an full assembly vinygo control box ??? 

  Are you sure? yes | no

inm247 wrote 04/12/2022 at 00:40 point

Can anyone please share what or where to get

Worm (M4)
Worm chicago (5mm)

Want to be sure I'm getting the right part before i go and buy 20

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mras2an wrote 04/12/2022 at 08:38 point

for worms M4: https://www.amazon.fr/Foliv-Hexagonale-Inoxydable-Ext%C3%A9rieur-Assortiment/dp/B09QSM5PVM/ref=mp_s_a_1_1_sspa?crid=3Q2RX4MGT0X1T&keywords=vis+m4&qid=1649752500&sprefix=vis+M4%2Caps%2C278&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFFQ0c5VlpNMldEQjgmZW5jcnlwdGVkSWQ9QTEwMzAzMDU5RU9KWUoxWVg0WkkmZW5jcnlwdGVkQWRJZD1BMDMyMTY1N1EyNFk3VktRTjU3MyZ3aWRnZXROYW1lPXNwX3Bob25lX3NlYXJjaF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl

For Chicago is useless for V1 meca

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inm247 wrote 04/13/2022 at 01:35 point

Thank you very much mras2an.
Regarding the spring what size, diameter should it be?

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solidbond74 wrote 04/06/2022 at 14:26 point

I know that you suggest 120 watts minimum, but what is the tweeter diameter to fit the V1?

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ansurdu wrote 04/06/2022 at 20:31 point

I asked earlier and they directed me to these For tweeters: https://www.amazon.fr/gp/product/B005S553TK/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1

I've also combined this and another project into a new cutter head that uses these contact sound drivers: https://www.amazon.com/gp/product/B0066AYMTS/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1


I modified it to screw on to mras2an's lathe design that I'm currently figuring out. dm me if interested. if you have any ideas on how to set up the sensors properly, I'm about a month away from powering up the board and feel like I'm missing something

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mras2an wrote 04/07/2022 at 20:05 point

hello what do you mean by "how to set up the sensors properly". You just need to connect it to the board (on the good input).

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mras2an wrote 04/07/2022 at 20:10 point

when all sensors are connected Powering the system and go to test mode whit the LCD.  Check on the graph if all sensors state switch.

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solidbond74 wrote 04/02/2022 at 18:31 point

How much counterweight do we add?

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mras2an wrote 04/03/2022 at 12:26 point

about 200g 

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ansurdu wrote 03/12/2022 at 16:12 point

I'm getting into setting up my cutting head and I'm wondering what amplifier/tweeter combos everyone is using and how they're rigging everything. I bought some super bullets like in the diagrams but they're obviously not the ones used in the prototype.

Tacking onto my earlier comment, I'm looking for guidance on what specific sensors you're using and how you're setting them up to get the proper data inputs. 

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ansurdu wrote 03/27/2022 at 00:05 point

Hello again! I feel like a bother, but I'm figuring out this thing unless something kills me. I'm still curious about how these hall sensors are set up.

What is the significance of the copper sheeting and wiring connected to the counterbalance

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mras2an wrote 03/30/2022 at 13:15 point

Hello, sorry for delay

For tweeters: https://www.amazon.fr/gp/product/B005S553TK/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1
I don't understand your question about hall sensors configuration. It is a basic on/off sensor
For "the copper sheeting and wiring connected to the counterbalance" it is just to detect if the head is up or down

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inm247 wrote 01/20/2022 at 20:17 point

Hello mras2an,

I wonder if i could get your help please when you have a spare moment.I have found a company to make and assemble the PCB for me but i need some extra information to get my order going,

1. How many layers do i need? i have a choice of 1, 2, 4, 6, 8, 10 or 12 layers (or does it not matter?)

2. What Copper weight (or does it not matter?)I have a choice of 35, 70 or 105 microns

3. Thickness? (or does it not matter?)I have a choice of 0.5, 0.8, 1.0, 1.2, 1.6, 2.4 or 3.2mm

4. Finish? (or does it not matter?)I have a choice of IS or ENIG 5. What is the Circuit Size X/Y in mm?

For reference: https://www.pcbtrain.co.uk/services/pcb-fabrication-assembly

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sunny wrote 03/13/2022 at 16:16 point

1 look the gbr file   2, 1.6OZ or 1.0OZ    3,1.6MM   4 I don't know

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inm247 wrote 04/12/2022 at 00:37 point

Thank you very much.

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inm247 wrote 01/18/2022 at 22:02 point

Is it possible to buy assembled PCB boards for this project ?

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salihboz wrote 03/04/2022 at 17:31 point

yes, im wondering that too..

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ansurdu wrote 03/12/2022 at 16:08 point

I'm in the process of building my first and ordered mine through jclpcb.com and they were only able to do minimal assembly. i do plan on putting these together and selling kits in the future. It's been a real process to find everything

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Red_Delta wrote 11/17/2021 at 17:01 point

Hello, I just wanted to say that this project is amazing and I am anxiously awaiting the updated head. I did have have one question regarding disc blanks, have you only cut polycarbonate blanks or have you tried alternative materials like PETG? 

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mras2an wrote 11/22/2021 at 12:14 point

hello i only test PVC blank disc

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sebastian.minkewitz wrote 11/01/2021 at 13:12 point

Amazing work. thanks a lot for bring this online. Such a project I`m searching for a long time so I will join this journey and want to build this by my self. (incl. the hardest part for me with the pcb - I don't have experience in this..) I have read all logs, the manual and all what I can find here, I ordered the first parts now and my Prusa Printer run with the V2 mechanics. there are first questions about some missing informations on your documentation. Can you tell me what type of step motor and servo motor you use? are there coming some detail infos on assembly the cutterhead? and what is on the image about the cutterhead for a sensor? (the blue one) .. ah and is this the right place for communicate about this project?

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mras2an wrote 11/01/2021 at 16:07 point

hello, thank you for your comment and your questions, it's always nice to see that people are interested by vinyl recorders. Please note that the V2 mechanic is not released, it is still in testing phase. So it will evolve according to this ... for the step motor I use 1.5 A 2.4V 1.8 ° 420mN.m (standard for CNC) and for the servo motor I use SG90 on the V2. I will add these information on the BOM post.

"are there coming some detail infos on assembly the cutterhead?", At this time, unfortunately I no longer have head and twitter to take pictures of the head assembly.

"what is on the image about the cutterhead for a sensor? (the blue one)" are you talking about the blue on the diamond? If so, it is the heating wire to heat the diamond.

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sebastian.minkewitz wrote 11/01/2021 at 16:26 point

ah ok, thanks for the information.  And no I don’t talk about the heatwire, but I think I solved the question, it’s the servomotor - on the build image it is black and the preview picture where to go with, it is in a blue housing. 

Damn I think v2 is ready - ok then I have to print some more parts 🤷🏻♂️  And some more question: what sensor is used as head and trey? 

So I think I let some time go wait for the ordered parts and after starting with the assembly with new questions I will call you here again.  😉

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mras2an wrote 11/01/2021 at 17:41 point

indeed the servo motor is not the same between V1 and V2. on V2 it is cheaper. I will keep you posted when the V2 will be release. But I still have a lot of work to do because I would like it to be smaller and integrate the sensors into 3D (to simplify the manufacturing).

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sebastian.minkewitz wrote 11/01/2021 at 22:16 point

what motor type is on v1?

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mras2an wrote 11/02/2021 at 11:16 point

Ok, I added all ref information on the BOM file on github. Thank you for your comments.

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Adam Quantrill wrote 09/10/2021 at 10:40 point

Just a thought but if you cut at a lower speed could you get better quality results? As it's easy to slow down the playback of the audio file with a computer.

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mras2an wrote 09/10/2021 at 12:03 point

Hello, yes if I cut at a lower speed I can modify the sound on the vinyl.

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mras2an wrote 09/11/2021 at 10:29 point

After reflection, I think you need a faster speed to get better quality. This is why there are maxi 45TRM?

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