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Key Features:

• Built-in 6050MPU accelerometer + gyro sensor

• Powered by Atmel ATmega644PA 8-bit MCU

• Onboard 2.1-inch LCD display for tuning without PC

• Supports Quadcopter, Tricopter, Hexacopter, and Octocopter setups

• Pre-installed firmware for plug-and-play flying

• Easy to calibrate and configure using built-in interface

Product Description (Detailed):

The KK2.1.5 Flight Controller Board is a powerful and beginner-friendly flight control unit designed for multirotor drones including quadcopters, tricopters, and hexacopters. It features an Atmel ATmega644PA processor and an InvenSense 6050MPU MEMS accelerometer/gyroscope for precise orientation and stabilization.

Unlike other controllers, the KK2.1.5 includes an integrated 2.1" LCD screen, allowing users to configure settings, calibrate ESCs, and test sensors without needing a PC or programmer. This makes it perfect for both hobbyists and educational drone projects.

Whether you're building a DIY drone or upgrading an existing one, the KK2.1.5 board delivers responsive, reliable control and real-time tuning through its intuitive interface.

Technical Specifications:

How to Use:

1. Mount the KK2.1.5 board on your drone's center using vibration dampers or foam tape.

2. Connect ESCs to motor output pins (M1–M4 or M1–M6).

3. Plug receiver channels (Throttle, Aileron, Elevator, Rudder, AUX) into input pins.

4. Power the board using ESC BEC or external 5V source.

5. Use the LCD buttons to access menu: calibrate ESCs, check sensors, set motor layout.

6. Adjust PIDs or flight modes directly from the screen.

Double-check motor order and rotation direction before flight. Always update firmware for enhanced stability and features.

Applications:

• DIY quadcopters and multirotors

• Educational drone kits and UAV learning systems

• FPV drone projects with manual tuning needs

• Hobby-level aircraft with customizable controls

Package Includes:

• 1 × KK2.1.5 Flight Controller Board

• 4 × Mounting spacers or screws