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EFT N680: Entry Level DIY Drone Platform

Published: 9, 24, 2026 , | Written by Louis, Technical Department Manager

Programmable drones on the market generally fall into two categories. The first includes block based programming toys that are affordable and well suited for short term, hands on experiences. However, these systems are essentially closed “black boxes.” Once students want to explore the underlying logic behind flight control decisions, they offer limited opportunities for deeper technical learning. 

The second category consists of high performance, open source research platforms. While these platforms provide extensive development capabilities, they are often expensive, delivered as bare bone kits, and require a relatively high level of technical knowledge. This creates a steep learning curve for students who are just beginning to explore drone development. coding drone

The EFT N680 is designed to bridge this gap.

As an entry level open source drone development platform, the N680 enables new students to progress from basic hands on training to real flight testing, while giving graduate students and advanced learners a practical platform for algorithm research and academic projects. Its flight control architecture is open at the core, while its modular design allows students to inspect, maintain, and replace individual components themselves.

With comprehensive technical documentation and supporting software, instructors can integrate the N680 into existing courses without having to redesign the entire curriculum.

What Is the EFT N680?

The EFT N680 is a 680 mm wheelbase quadcopter open source drone development platform. Unlike closed educational drones that rely primarily on simplified demonstration applications, the N680 is a professional experimental platform designed to combine stable flight performance with hands on, in depth learning.

Its unified airframe and open source flight control system make it particularly suitable for universities, vocational schools, STEM program leaders, and drone developers. education drone The platform is open and easy to maintain, allowing for repeated use in teaching across academic years. 

Design and Configuration

The N680 adopts a fully modular architecture. Its main frame uses a high strength, one piece injection molded nylon structure, combined with carbon fiber arms and landing gear. The fuselage provides ample internal space and reserved mounting points for payloads and peripherals, allowing students to integrate cameras and other equipment for experiments such as aerial imaging and visual navigation.

Featuring a modular design, components such as the arms, motors, ESC/PDB, propellers, snap-fit sealed battery compartment, and flight controller can be replaced independently, facilitating assembly, setup, and maintenance. entry level drone

This modular approach is particularly valuable in classroom environments. If a component is damaged during a test flight, students can replace the affected module instead of replacing the entire aircraft. This helps minimize downtime and keeps practical training on schedule. 

A single N680 can support multiple educational experiments covering flight principles, propulsion systems, embedded control, and complete aircraft assembly.

Open Source Flight Control and Development

The aircraft is equipped with the N1 mini open source flight controller, built around a high performance STM32H7 processor.

It features a built in high precision magnetic compass and can be paired with an external GPS compass to provide redundant heading sensing and improve positioning stability.

The flight controller provides a broad range of peripheral interfaces, including 8 motor output channels and 4 servo channels, with reserved expansion buses for CAN, serial, and I2C devices.

The N680 natively supports ArduPilot open source firmware and the MAVLink communication protocol, allowing students and developers to work within a mature open source ecosystem supported by extensive documentation and community resources.

A Progressive Learning Path

The N680 is designed around a progressive learning path.

At the beginner level, students can use ArduPilot to configure and test flight modes, parameters, and waypoint missions. This allows them to understand fundamental drone control concepts through direct interaction with a real aircraft rather than relying solely on simulation or block based programming.

At the advanced level, users can connect an onboard computer and deploy ROS nodes, with access to attitude, position, and velocity control commands. This creates opportunities for projects involving machine vision, autonomous navigation, and other advanced drone applications.

The onboard computer is an optional accessory, while the flight controller includes reserved expansion interfaces for integration.

EFT N1 Assistant Software

The N680 is supported by EFT N1 Assistant, a lightweight parameter tuning application designed to make configuration and debugging more approachable for beginners.

The software provides real time access to attitude data, EKF status, GPS signals, and RC channel data. It also supports flight parameter configuration and log playback, giving students and instructors the ability to review flight data after class.

This makes the same software suitable for both introductory training and more advanced secondary development.

RC Lite Remote Controller

The N680 comes standard with the RC Lite remote controller, featuring an industrial, minimalist design and high precision Hall effect joysticks for smooth and responsive control.

It uses two removable 18650 batteries, supporting direct charging and quick battery replacement.

With 16 output channels, the controller provides the basic channels required for flight control while leaving additional channels available for customized control of expansion payloads such as cameras and deployment devices. This makes the system suitable for a wide range of student innovation and engineering projects.

Flight Performance and Power Characteristics

The N680's flight performance specifications are calibrated by EFT's inhouse R&D team rather than being theoretical figures intended only for product display.

Its power reserves allow the platform to maintain stable and controllable flight while carrying payloads. The airframe can directly accommodate gimbals, thermal imaging modules, and customized sensor kits without requiring structural modifications.

The platform is equipped with a 6S 8000 mAh lithium ion battery, providing approximately 18-27 minutes of flight time under standard operating conditions. Exact performance depends on payload weight and flight mode settings.

The battery supports quick installation and removal. When paired with the included 300 W high power charger, it takes approximately 45 minutes to recharge from empty to full, helping reduce charging downtime during classroom experiments effectively.

Application Scenarios

Drone Beginners

The kit includes the essential hardware required to build the aircraft. Its modular architecture helps reduce the learning curve and allows students to develop a practical understanding of the complete drone system through hands on assembly and training. 

DIY Development Enthusiasts

The N680 combines high quality hardware with a proven industrial grade structure, providing a stable and reliable flight platform while giving users the opportunity to learn through assembly, configuration, testing, and debugging.

College Students and Research Developers

Native compatibility with the ArduPilot, MAVLink, and ROS ecosystems makes the N680 suitable for university courses, laboratory experiments, and research projects involving flight control algorithms, machine vision, autonomous navigation, and related technologies.

Industry Innovators

With extensive expansion interfaces and available payload capacity, the N680 can also serve as a practical platform for rapidly validating prototypes for applications such as aerial imaging, surveying, and inspection.

 colleague education drone

What's Included in the Kit

The N680 is available in three configurations to meet different laboratory and training requirements:

1. PNP Kit Includes the N680 frame, 4 E4 motors, 4 30A ESCs, and 4 15 inch folding propellers. This configuration is suitable for laboratories that already have compatible flight controllers and remote control equipment.
2. RTF Kit Includes all components of the PNP kit, plus an N1 mini flight controller, GPS module, RC Lite remote controller, EB608 6S 8000 mAh battery, and 300W charger.
3. RTF Flight Case Kit Includes everything in the RTF kit, plus an aviation transport case for moving equipment between classrooms and outdoor flight test locations.

All components are also available separately as replacement parts. Importantly, all kits are delivered as unassembled components. Users are required to complete the aircraft assembly and parameter tuning themselves. The EFT N1 Assistant tuning software provides guided tutorials, while the assembly and tuning process itself forms an important part of the handson training experience.  beginner friendly drone

Specifications

N680 Drone Platform

N1mini Flight Controller

RC Lite Remote Controller

Battery

Charger

Frequently Asked Questions

Can I test fly the N680 right out of the box? 

No. The N680 cannot be flown immediately after unpacking. The kit includes the required hardware—including the flight controller, GPS, radio link, and power system—but users must complete the aircraft assembly, calibration, and parameter tuning themselves. This process is also an integral part of the practical training experience.

Do I need programming experience to use the N680? 

No. The learning path starts with manual flight and simple waypoint missions. EFT N1 Assistant guides users through initial setup and parameter tuning before they progress to ArduPilot configuration and ROS development.

What software and firmware can the N680 run? 

The included N1mini flight controller runs ArduPilot opensource firmware and natively supports the MAVLink protocol. ROS algorithm nodes need to be deployed on an external onboard computer. The onboard computer is not included with the kit and must be purchased separately.

Is the N680 suitable as a STEM drone for middle school students? 

The N680 is better suited for upper grade middle school STEM courses. It is a laboratory grade development platform rather than a small educational toy. With a 680 mm wheelbase and a 2.5 kg frame weight, it is designed for more advanced practical training in aerospace engineering and drone systems. With the accompanying technical documentation and EFT N1 Assistant software, students can independently complete practical exercises such as aircraft assembly and parameter tuning.

Is the N680 suitable for research as well as teaching? 

Yes. The platform can be used for research involving autonomous navigation and sensing technologies. It supports a payload of up to 1 kg and features an open architecture computing module, providing a practical, cost-effective flight platform.However, it is not intended to replace heavy load industrial grade flight platforms.

Can spare parts be purchased separately? 

Yes. The arms, motors, ESC boards, propellers, batteries, flight controllers, and GPS modules can all be purchased separately. This allows the platform to remain in service across different student cohorts and academic years.

Which N680 configuration should I choose? 

If you wish to select compatible flight controller, remote controller, charging equipment, choose the PNP version. If you want the flight control system and major electronic components included so that the platform can be assembled and configured upon arrival, choose the RTF version. If the drone needs to be transported frequently between classrooms and outdoor flight test locations, the RTF Kit with Flight Case provides a practical transport solution. 

If you haven’t found the information you’re looking for, or if you need to review the syllabus, selection recommendations, or bulk purchase quotes, please feel free to contact EFT team.