j
jetblackcherry

John C.

@jetblackcherry
5.0(18)

Level 2

Music, Electronics, Design

Philippines
English, Tagalog
About me
I’m an Electronics and Communications Engineer specializing in audio electronics design for guitar pedals, analog circuits, and modular synth hardware. I design PCB layouts and schematics focused on tone, reliability, and manufacturability. My work includes PCB design, SMD/THT conversion, BOM/CPL preparation, and production-ready files for JLCPCB and PCBWay. As a guitarist and musician, I design with real-world sound and usability in mind, turning ideas into build-ready audio hardware.... Read more

Skills

j
jetblackcherry
John C.
Offline • 
Average response time: 3 hours

See my services

Printed Circuit Boards (PCB)
I will design production ready guitar pedal pcbs
5.0(16)
Guitar
I will create an improvised guitar solo for your track
5.0(2)

Portfolio

18 Reviews
5.0

(17)
(1)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Quality of delivery
    5
  • Value of delivery
    4.9
1-5 out of 18 Reviews
Sort By
Most relevant
    O
    image-docs

    ogchristiangray

    GB

    United Kingdom

    5

    John was fantastic to work with from start to finish. He communicated clearly throughout the project, asked the right technical questions, and made thoughtful suggestions to improve the design while still keeping it aligned with my vision. The final PCB package was extremely well organised and included...

    $200-$400

    Price

    12 days

    Duration

    gig

    Printed Circuit Boards (PCB)

    Helpful?
    Yes
    No
    S
    image-docs

    starnotemedia

    US

    United States

    Ongoing collaboration
    5

    I've worked with many engineers, ranging from intermediates to professionals, and John exceeded my expectations in every single aspect. And I don't just mean it was exceptional. It was BETTER than exceptional! John went above and beyond on communication, attention to detail, explanations for WHY certain...

    $400-$600

    Price

    4 weeks

    Duration

    gig

    Printed Circuit Boards (PCB)

    Helpful?
    Yes
    No
    S
    image-docs

    stekkerr

    NL

    Netherlands

    4.3

    Very good quality work, John was very helpfull and paid lots of attention to details in the project and all the documentation i provided beforehand. Will definitely work with John again in future.

    $200-$400

    Price

    11 days

    Duration

    gig

    Printed Circuit Boards (PCB)

    Helpful?
    Yes
    No
    D

    diggleton

    US

    United States

    5

    This was my first endeavor with Fiverr and a commissioned piece. John was very informative with circuits and components. I started with a fairly simple guitar effect circuit. John was punctual and prompt with his replies. Definitely recommend. Thanks again John!

    $100-$200

    Price

    12 days

    Duration

    gig

    Printed Circuit Boards (PCB)

    Helpful?
    Yes
    No
    B

    brucesky24

    US

    United States

    Ongoing collaboration
    5

    I’m not one to be easily impressed, but this exceeded my expectations in every way. From sound communication, to incredible knowledge and expertise … I’d recommend this man 10 times out of 10. Incredible through and through.

    $100-$200

    Price

    3 days

    Duration

    gig

    Printed Circuit Boards (PCB)

    Helpful?
    Yes
    No