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Flight controller

Flywoo GOKU GN405 Nano V3

A 3 gram 16x16 board with the radio receiver built in, for very small builds.

Specification last checked 2026-07-27

Recorded specification

Every value carries the source it was read from. A property with no recorded source is marked as such rather than presented as a fact. If one of them is wrong, tell us: it is the fastest way it gets fixed.

PropertyValueSource
Stack mounting pattern decides fitHole spacing of the mounting pattern.16 × 16 mmRaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
Supported receiver protocols decides fitCRSFSBUSF.PortIBUSGHSTSRXL2Betaflight firmware: src/main/rx/rx.hchecked 2026-07-27Quote 2, below the table
Minimum cell count decides fit2 SRaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
Maximum cell count decides fit6 SRaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
Integrated receiver decides fitAn SPI receiver on the board satisfies the receiver slot and bypasses the serial protocol.YesRaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
WeightBuild-critical rather than compat-critical: needed to answer registration and class questions.3 gRaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
  1. RaceDayQuads product specificationschecked 2026-07-27The built-in TCXO ELRS receiver is ideal for micro drones. Input Voltage: 7.4V - 24V / 2-6S LiPo Hole Position: M2 16x16mm Size: 25mm x 23mm x 8mm IMU (Gyro): ICM-42688P MCU: STM32F405 BGA BEC: 5V 2A / 3.3V 0.5A USB Port Type: Type-C UARTs: 1, 2, 3, 4, 5, 6 Barometer: DP310 Black Box: 16MB Weight: 3g OSD: No
  2. Betaflight firmware: src/main/rx/rx.hchecked 2026-07-27typedef enum { SERIALRX_NONE = 0, SERIALRX_SPEKTRUM2048 = 1, SERIALRX_SBUS = 2, SERIALRX_SUMD = 3, SERIALRX_SUMH = 4, SERIALRX_XBUS_MODE_B = 5, SERIALRX_XBUS_MODE_B_RJ01 = 6, SERIALRX_IBUS = 7, SERIALRX_JETIEXBUS = 8, SERIALRX_CRSF = 9, SERIALRX_SRXL = 10, SERIALRX_TARGET_CUSTOM = 11, SERIALRX_FPORT = 12, SERIALRX_SRXL2 = 13, SERIALRX_GHST = 14, SERIALRX_SPEKTRUM1024 = 15, SERIALRX_MAVLINK = 16 } SerialRXType;

Where to buy

This listing does not say which warehouse ships it. Most orders leave China, so expect import VAT and a carrier handling fee unless an EU warehouse is chosen at checkout.

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What this fits

Checked against every other product in the catalog by the same engine the planner runs, rule by rule. Where a specification is missing the answer is unknown, which is a different answer from compatible.

Frame

Does not work with (18)Not enough recorded specification (2)

Receiver

Works with (20)

Battery

Does not work with (11)Works with (17)

The standards this part is judged by

What the properties above actually mean, which differences are absolute, and where the names used in shops mislead.