Custom Flight Controller PCB Design
Thought
Work completed:
- Project description and system architecture documented per requirements.
- Major ICs added: ESP32-WROOM-32 and MPU6050.
- Power-in stage built: 1–2 A polyfuse, TVS diode, P-MOSFET ideal-diode reverse protection, 3.3 V LDO regulator.
- Four logic-level N-MOSFET motor driver stages added.
- Supporting passives placed: decoupling and bulk capacitors, pull-ups, gate resistors, pulldowns, ADC divider resistors, snubber caps.
Remaining tasks:
- Connectivity: add power, motor, UART/I2C/PPM-SBUS headers and status LEDs; make all net connections.
- Schematic review: verify completeness and component ratings.
- PCB layout prep: assign footprints, set 2-layer stackup, define board outline (40 × 40 mm), choose power/ground planes.
- Define layout rules, place components (IMU centre, antenna keepout, star ground), and route nets.
- Perform ERC/DRC; generate BOM, Gerber files, and 3D render.
Success criteria:
- Schematic component selection ✓ but wiring incomplete.
- PCB layout, BOM, Gerbers, 3D render ✗.
- Power management elements in place ✓; proper placement and high-current routing pending.
Next step:
Proceed with Step 4 (Connectivity): add connectors and complete net wiring in the schematic to lay the groundwork for PCB layout.
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