Product overview
The F405 V3 is a UAV flight controller from Shenzhen Fengdi Technology Co., Ltd., a company established in 2025 that develops flight controllers and electronic speed controllers for drone enthusiasts and industrial users. Built around an STM32F405 microcontroller, the F405 V3 operates on DC 7–36 V with a stated 2–8S power supply range. Its configuration includes five UARTs, blackbox storage specified as 16M, and a gyro identified as 42688/320X.
The controller supports common peripheral interfaces, includes surge protection, and uses a 30.5 × 30.5 mm/M4 mounting hole pattern. Betaflight and INAV are identified as supported flight control firmware. These details define its power, mounting and firmware configuration for integration into a drone. Fengdi also offers separate four-in-one ESCs in 65A, 70A, 80A and 100A versions, single ESCs, power distribution boards and AIO solutions, alongside PCBA customization and ODM development.
Specifications
| Specification | Value & conditions |
|---|---|
| Operating voltage | DC 7–36 V2–8S power supply |
| Peripheral interfaces and protection | Common peripheral interfaces; surge protectionAs listed for this controller |
| Listed firmware | Betaflight, INAVFirmware listed in the English product description |
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