K3 Apro Flight Controller Kit for Agricultural UAVs
- Agricultural UAV Flight Controller – Designed for agricultural spraying drones and compatible multirotor UAV platforms requiring reliable flight stabilization and control.
- Supports Multiple Multirotor Configurations – Compatible with quadcopters, hexacopters, and octocopters in supported frame configurations, including +, X, V, IY, and coaxial configurations.
- Multiple Flight Modes – Supports attitude stabilization/height mode, GPS-speed mode, and other control modes for different operating environments and flight requirements.
- Dual GNSS Configuration – Supports dual GNSS modules for enhanced heading and positioning redundancy in compatible UAV systems.
- Supports PWM ESCs – Compatible with PWM ESCs operating below 490 Hz, with up to 8 output channels.
- Wide 2S–12S Power Compatibility – Supports a broad 2S to 12S battery voltage range for flexible integration into different multirotor platforms.
- Supports Agricultural UAV Peripherals – Compatible with expansion equipment such as radar, RTK modules, data transmission systems, and flow sensor modules.
- Advanced Agricultural Flight Functions – Supports features including autonomous operation, route memory, polygon route planning, spray-area calculation, and AB-point straight-line spraying workflows.
- Reliable Flight Performance – Supports hover accuracy of up to ±2 m horizontally and ±0.8 m vertically, depending on the complete UAV system and operating conditions.
- Efficient & Lightweight System – Features power consumption below 2 W, with a compact flight-controller system designed for practical integration into agricultural multirotor UAVs.
- Trusted dealerDirect manufacturer partnership
- Pan-India deliveryInsured shipping, all states
- Post-sale supportTraining + service included
What makes it work
K3-A Pro Flight Controller Kit
The K3-A Pro Flight Controller Kit is a genuine JIYI K3-A Pro autopilot system, the upgraded successor to JIYI’s best-selling K3-A — compact, dual-GNSS equipped, and purpose-built for agricultural spraying UAVs.
2S-12S LiPo
Polygon & AB-Point Spraying
<200g Total System
GPS + LED + PMU Included
Full Specifications
| Specification | Details |
|---|---|
| Product | K3-A Pro Flight Controller Kit — genuine JIYI hardware, clearly labeled “K3-A PRO FLIGHT CONTROLLER” on the module, upgraded successor to the widely-used original K3-A |
| Positioning | Dual GNSS magnetic-compass configuration for redundant heading and positioning |
| Hover Accuracy | ±2m horizontal, ±0.8m vertical |
| Max Tilt Angle | 30° |
| Max Yaw Speed | 150°/s |
| Max Vertical Speed | 6 m/s |
| Wind Resistance | Continuous wind up to Level 3, gusts up to Level 4 |
| Vibration Rating | Less than 1G |
| xBoom SKU | xboom-145483 |
| Specification | Details |
|---|---|
| Battery Support | 2S-12S LiPo configurations |
| Power Consumption | Less than 2W |
| PWM Outputs | Up to 8 channels, compatible with ESCs below 490Hz PWM |
| Receiver Support | PPM and S-BUS |
| Frame Support | Quadcopter, hexacopter, and octocopter configurations, including +, X, V, and coaxial layouts |
| Compatible Peripherals | RTK modules, obstacle/terrain radar, data-transmission systems, and flow-sensor modules |
| Component Weights | Flight controller 56g (53.5×40.0×21.0mm); GPS module 45g (Ø63.0×15.0mm); LED indicator module 13g (24.0×24.0×8.0mm); PMU 39g (53.5×34.5×14.5mm) — under 200g total system weight |
| Operating Temperature | 0°C to 60°C operating; -40°C to 60°C storage |
| Firmware Ecosystem | JIYI’s own proprietary flight-control system and configuration app — not PX4 or ArduPilot compatible |
A Proven, Compact Ag-Spraying Autopilot
K3-A Pro Flight Controller Kit: Genuine JIYI Hardware for Ag UAVs
This is a genuine JIYI K3-A Pro kit — the flight-controller module is clearly stamped “K3-A PRO FLIGHT CONTROLLER” with JIYI’s own branding, and the labeled port layout (motor outputs M1-M8, RTK and EXT expansion, POW/GPS/LFS/PUMP link ports, and CH2-CH6/RC indicator ports) matches JIYI’s own documentation exactly. It’s the upgraded successor to the original K3-A, a flight controller JIYI states was used by roughly 70% of domestic plant-protection drone manufacturers through 2017-2018 — a track record that carries into this Pro revision.
The core upgrade is a dual-GNSS magnetic-compass configuration for redundant heading and positioning, paired with agricultural-specific software: polygon-route planning for irregular field boundaries, AB-point straight-line spraying, breakpoint continuous spray (resuming exactly where it left off after a refill stop), and compatibility with flow-sensor modules for real-time pesticide-flow monitoring. One important clarification: this runs JIYI’s own proprietary flight-control firmware and configuration app — it is not a PX4 or ArduPilot board, so it won’t work with Mission Planner, QGroundControl, or other open-source ground-control software.
Dual GNSS Redundancy
Redundant heading and positioning for safe, stable flight.
Polygon & AB-Point Spraying
Software built specifically for precision agricultural routes.
Compact, Sub-200g System
A lightweight yet robust flight-control system for ag builds.
Complete Kit: FC + GPS + LED + PMU
Core electronics included to start your spraying-drone build.
See Every Detail
Every Port, Clearly Labeled
M1-M8 motor outputs, RTK and EXT expansion, POW/GPS/LFS/PUMP link ports, and CH2-CH6/RC indicator ports — all clearly silkscreened on the genuine JIYI module.

Built for Proven, Precision Ag-Drone Operations
The K3-A Pro Flight Controller Kit brings a proven, spraying-focused feature set to your agricultural UAV build.
🛰️
Dual GNSS Configuration
Redundant heading and positioning for reliable flight.
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Polygon & AB-Point Routes
Purpose-built route planning for irregular field boundaries.
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Breakpoint Continuous Spray
Resumes spraying exactly where it left off after a refill stop.
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2S-12S LiPo Support
Flexible power-system compatibility for different builds.
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Sub-200g Complete System
Lightweight yet robust across all included components.
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RTK & Radar Compatible
Supports RTK modules, radar, and flow-sensor peripherals.
Built for Precision Agricultural UAVs
The K3-A Pro Flight Controller Kit suits builders creating dedicated agricultural spraying and precision-application drones.
Precision Spraying Drones
Polygon and AB-point routes built in for spraying builds.
Irregular Field Boundaries
Polygon-route planning handles non-rectangular fields cleanly.
Quad, Hex & Octo Ag Builds
Supports the frame configurations common in spraying drones.
RTK-Assisted Field Mapping
Compatible with RTK modules for higher-precision positioning.
Commercial Ag-Service Fleets
A proven, widely-adopted platform for daily spraying operations.
Custom Ag-Drone Builds
A complete core kit for quad, hex, or octo frame projects.
Official Setup & Calibration Guides
Official JIYIUAV walkthroughs covering RTK setup, compass calibration, and flowmeter calibration on this exact flight controller.







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