User Manual for Holybro Kopis Freestyle 4-Inch FPV Quadcopter
Quick guide for the Holybro Kopis Freestyle 4-Inch FPV Quadcopter. Includes wiring diagrams for the flight controller, ESC, VTx, camera, and receiver, plus setup instructions for Naked GoPro.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
This document serves as a setup guide for the Holybro Kopis Freestyle 4-Inch FPV Quadcopter. It contains detailed wiring diagrams for the flight controller, ESC, video transmitters, and receivers, as well as specific configuration steps for using a Naked GoPro.
Specifications
The drone is built on a 3k carbon fiber frame with a 180mm wheelbase. It utilizes the Kakute F7 mini V3 flight controller and Tekko32 F3 4in1 35A ESC. The analog version includes a 5.8G Atlatl HV Micro VTx, while the HD version features the Caddx FPV Vista Kit.
Wiring Diagrams
The manual provides specific wiring diagrams for the following components:





- Digital HD Camera
- ESC
- 5.8G VTx
- Analog FPV Camera, Buzzer & LED
- Receiver (TBS Crossfire/FrSky)
- Naked GoPro
Naked GoPro Setup
To use a Naked GoPro, connect it to the flight controller and enter the following commands in the Betaflight CLI:

- resource SERIAL_TX 4 NONE
- resource PINIO 1 A00
- set pinio_box = 40,255,255,255
- save
Additionally, configure a mode for USER1 in the Betaflight Modes tab and assign it to an AUX channel to control recording via a switch.
Warranty and Support
If you believe your product is defective, contact the support team at [email protected]. Shipping costs for returns are the responsibility of the user.
Practical help
Common problems
An external 1000uf 35v capacitor is required for 6S usage.
Ensure Betaflight CLI commands are correctly applied and a mode is assigned to an AUX channel.
Before use
- Verify battery voltage (650-850mAh 4s recommended)
- Check all wiring connections against the provided diagrams
- Ensure flight controller firmware is configured correctly
- Activate Vista kit (HD version) using DJI Assistant 2
Specs in practice
- Flight Controller
- Kakute F7 mini V3 with STM32F722RET6 processor.
Images and diagrams
- Wiring diagrams are provided for Digital HD, ESC, VTx, Camera, Buzzer, LED, and Receiver connections.
Model compatibility
- Supports serial receivers (SBUS, iBus, Spektrum, Crossfire).
- PPM and PWM receivers are not supported.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.