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Circuits Performers

Circuits Performers is the consulting LLC of Edwin Chiu

Offering Mixed-Signal Electrical Design and Layout Consulting in Aerospace, Marine, and Scientific fields

Contact Information

Typical Consulting Workflow

  • Introductory meeting to understand project and confirm match between skills and project needs.
  • Establish NDA, if needed.
  • Circuits Performers will prepare a project proposal, including hourly rate, expected completetion hours, and deliverables plan.
  • If the proposal is accepted by the client, a contact will be signed, and billable hours will begin.
  • Progress updates and course corrections as needed during the project.
  • Hardware prototype, bringup, and testing, if needed.
  • Final deliverables sent to client for approval.
  • Continuing maintenance or field support agreements, if needed.


Synthego CRISPR gene editing instruments (2020-Present)

  • Mainboard PCB
  • 1kV Power Supply and Management PCB
  • Automated Chemical Synthesizer (2014)
    • Controller PCB


Marine Applied Research and Exploration (MARE) BATFish Remotely-Operated Survey Submersible (2016-Present)

  • Actuator control servo drives
  • Onsite deployment support


RespiraWorks Full-featured, open-source ICU Ventilator (2020-Present)

  • Founder
  • Controller and signal processing PCB
  • Pneumatic design
  • Powered P100 Respirator (PAPR) (2021)
    • Complete design: mechanical, electrical, pneumatic


Frost Methane Labs Remote Arctic Methane Flaring Station (2019-Present)

  • Rugged Arctic gas sensing/satcom (Iridium) PCB
  • Thermoelectric power generation and capactitor management PCB

Frost Methane Labs

Virgin HyperloopOne Vehicle (2019-2020)

  • Modular vehicle controller PCB

Virgin Hyperloop

OpenROV Triton Remotely-Operated Submersible (2019)

  • Mainboard tesbed
  • Network transceiver


Deepflight Super Falcon 3s 3-passenger electric submersible (2017-2018)

  • Dual-redundant flight computer design
  • Life support sensing and control electronics
  • Propulsion and steering control electronics
  • LiFePO4 Battery Management System
  • Shoreside battery charge electronics
  • Dragon II (2018)
    • Above electronics plus:
    • LiFePO4 high voltage frontend


Signal Laboratories Radio and Wireless Protocol

  • Co-Founder, CTO
  • Proprietary high-performance 900MHz SDR design
  • Ultra-low-SNR signal recovery algorithm
  • Naive (blind) distrbuted beamforming phase-synchronization algorithm and protocol

Signal Laboratories

SpaceX Falcon 1, Falcon 9, and Dragon Spacecraft (2008-2014)

  • Control and sensing electronics on every major vehicle in this time frame
  • Falcon 9 v1.2: Engine Controller, the first orbital booster to land vertically under its own power
  • Falcon 9 v1.1: Engine Controller, 1st Stage, the first Avionics unit to enter high-volume production
  • Falcon 9 v1.0/Dragon: Vehicle Recovery Satellite Tracker, all stages
  • Falcon 9 v1.0: Nine-Engine Start Controller
  • Falcon 9 v1.0: Data Acquisition Box
  • Dragon: Network Switch
  • Falcon 1: Experimental Satellite Communications Radio
  • All Vehicles: Sensor Input, Valve Control, Thermocouple, Thrust Vector, and Resistive Thermal Device PCB designs.


Popular repositories

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  • .github Public

    Public readme repo

    0 Apache-2.0 0 0 0 Updated Oct 25, 2022


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