Robotic Arm Board Design

flux

0:00

Decision: I set the manufacturability review to assume a 4-layer production PCB (signal / ground / power / signal) and I will document specific assembly and manufacturing issues and prioritized fixes in the project description. I made this choice to balance EMI control, thermal dissipation, and routing for RMII/Ethernet and multiple motor drivers — it is necessary for a production-capable design in a compact board. I will not modify the schematic or layout; I am only documenting manufacturability issues and recommendations now.
194 days

Updated project description

0:14

Updated project description

194 days

flux

0:00

Session ended. Here’s what was done:
  • Replaced generic capacitors C1–C4 and C7–C8 with real Murata parts
  • Replaced generic resistors and inductors
  • Set MPNs for U1–U10
  • Performed and documented manufacturability review
What remains:
  • C5 and C6 were not replaced (requires user to select and swap Murata GRM1555C1H220JZ01D 22 pF X7R 0603 caps)
Success criteria status:
  • Full schematic and layout review still pending; power rails, motor drivers, MCU integration, and EMI layout have not been validated against criteria.
194 days
Sign up to send

To get started, talk to Flux or create a New Document.

Documents

    Documents are markdown text files which describe project goals, capture details, or even simulation outputs.

    Assets

    No assets added.

    Armed Aqua Electronic Thumb

    Armed Aqua Electronic Thumb thumbnail
    Manufacturability Review and Remediation Plan for 4-Layer PCB (RMII/Ethernet & RF Module)

    Properties

    120.0 mm

    Zigbee

    flowchart LR Vin[24V Input] --> SPD[Surge/ESD Protection] SPD --> RP[Reverse Polarity Protection] RP --> FUSE[Input Fuse] FUSE --> Rail24[24V Rail] Rail24 --> DC5[5V DC/DC] Rail24 --> DC33[3.3V DC/DC] Rail24 --> DC28[2.8V DC/DC] Rail24 --> MD[Motor Drivers (4–6)] FUSE --> PoE[PoE PD Controller] PoE --> DC5 DC5 --> Sensors[5V Sensors] DC33 --> MCU[MCU + External RAM + Ethernet MAC] DC28 --> Camera[2.8V Camera] MCU --> RAM[External RAM] MCU --> ETH[Ethernet PHY/Connector] MCU --> ZB[Zigbee Module (SPI/UART)] MCU --> USB[USB-C/UART IO]

    Power-over-Ethernet

    USB

    160.0 mm

    Consumer Electronics

    Ethernet

    Pricing & Availability

    Distributor

    Qty 1

    Arrow

    $0.12–$0.23

    Digi-Key

    $0.40–$1.17

    LCSC

    $0.60

    Mouser

    $0.94

    TME

    $0.78

    Verical

    $0.11–$0.18

    Controls