Holybro S500 V2 DIY Drone Kit (Included Motor, Prop and ESC) The Holybro S500 V2 DIY Drone Kit (Included Motor, Prop and ESC) is a complete DIY drone kit designed for builders and enthusiasts who want a reliable, high-performance UAV platform right out of the box. This all-in-one kit includes quality motors, propellers, Electronic Speed Controllers (ESCs), and a durable S500 V2 frame, giving you everything you need to assemble a capable multirotor drone with confidence. Whether you're a hobbyist looking to build your first drone or a professional seeking a customizable platform for experimentation and upgrades, this kit provides a solid foundation. Engineered for ease of assembly and dependable flight performance, the Holybro S500 V2 DIY Drone Kit combines balanced thrust, stable handling, and efficient power delivery for smooth flight characteristics. Its thoughtfully selected components ensure compatibility and optimized performance, making the build process straightforward while offering room for future enhancements. From casual flying to aerial photography and DIY experimentation, this kit empowers you to bring your custom drone ideas to life with quality and precision. Features: Complete DIY drone kit including frame, motors, propellers, and ESCs for easy assembly. Durable S500 V2 frame designed for stable and reliable multirotor performance. Balanced propulsion system delivers smooth thrust and efficient flight. Supports customization and upgrades with compatible flight controllers and accessories. Suitable for beginners learning drone assembly as well as advanced UAV projects. Ideal for DIY builds, aerial experimentation, and educational drone applications.

HSKRC QAV250 RC Drone Frame Kit The QAV250 is a mini quadcopter frame that has gained a reputation for its toughness and durability in FPV racing and video recording. This drone frame is specifically designed to withstand hard landings and crashes with its 3mm thick arms made of carbon fiber. The FPV drone frame also comes with dampers that offer protection to drone motors during a crash. One of the key advantages of using carbon fiber in the drone frame kit construction is its excellent stiffness to weight ratio, which provides superior stability and flight performance. This mini-size quadcopter frame is aerodynamically efficient due to its lightweight design and thick arms, allowing it to hover at lower throttle. It has a take-off weight of around 500-600 grams. The QAV250 measures 250mm in wheelbase and weighs 160 grams, providing ample space in the mainframe area for mounting cameras and other accessories. This drone frame kit can accommodate 37mm board cams as well as cams in cases with mounting brackets. The longer top and bottom plates make it easy to mount HD cameras and batteries, with enough room for all kinds of electronics. The QAV250 Carbon Fiber Quadcopter Frame comes with anodized alloy spacers and multiple motor mounting holes, making it compatible with a variety of motors. The vibration-free mounting bracket also ensures that cameras on the frame are secure during flight. Browse the exclusive collection of Drone Parts . Shop FlySky FS-i6 Drone Remote Controller – Now at a special discounted price! Power up your Drone with long-lasting 3S LiPo Battery ! Features Lightweight and Durable. Made of super strong and advanced engineering material. The frame has excellent strength. The arm has multiple motor mounting holes. Equips vibration-free mounting bracket for FPV camera. Package Includes: 1 x HSKRC QAV250 RC Drone Frame Kit

F450 Quadcopter Frame This is made of superior glass fibre and polyamide nylon, which offers great durability and stability throughout the flight. Its integrated PCB connectors enable simple and direct soldering of ESCs. This Quadcopter Frame is the key to limitless creativity. This frame, with its coloured arms for simple alignment and wide mounting tabs for camera installation, allows you to explore and create stunning aerial photos. The ultra-tough polyamide nylon arms prevent breakage even during hard landings. The F450 or Q450 quadcopter drone frame is built with precision and care, providing you with a reliable platform for all your aerial missions. Its sturdy construction and pre-threaded brass sleeves for all frame bolts ensure a secure and safe flight experience. Assemble your dream drone effortlessly with this easy-to-assemble frame and take to the skies with confidence. Exclusive offer: FlySky FS-i6 RC Transmitter on sale! Shop now for a 2200mAh LiPo Battery and never run out of power! Read our blog explaining "How to make a drone using Arduino step-by-step guide". If you want to Build a Quadcopter of your own you can do it too with the following components: S.no Component 1 Flight Controller (FC) 2 ESC or Electronic Speed Control 3 RC transmitter & receiver 4 Power Distribution Board 5 Propellers 6 Battery and charger 7 Quadcopter motors About Quadcopter frame The frame is the quadcopter's skeleton. It is the part of the drone where various components are mounted. Depending on your requirements, there are various types of drone frames available on the market that are made of various materials such as plastic, glass fiber, PCB, or even wood. It is determined by the budget and the application for which the drone is being built. Fragile frame materials will break easily in a crash and may not be able to support heavier motors and batteries. Join Our Global Community Join the expanding worldwide community of artists and innovators who choose Iotcart as their favorite supply of DIY electronics. Our extensive range of compatible boards, sensors, and accessories guarantees that you have all of the tools you need to turn your ideas into reality. Key Features: Made of high-quality glass fiber and polyamide nylon. Integrated PCB connections for direct ESC soldering All of the frame bolts have pre-threaded brass sleeves. Colored arms help keep you flying in the right direction. Large mounting tabs on the bottom plate of the main frame allow for simple camera mounting. Simple to assemble. Explore the wide range of Drone Parts at best prices. Also, check F450/F550 Quadcopter High Landing Gear . It offers 200mm ground clearance and the landing gear is compatible with F450 and F550 frames. Applications: Building DIY quadcopters for aerial photography or videography Experimenting with drone technology and aerodynamics Educational purposes in STEM (Science, Technology, Engineering, and Mathematics) curriculum Research and development in robotics and autonomous systems Creating custom drones for agricultural monitoring or surveillance purposes Hobbyist projects for enthusiasts interested in remote-controlled flying devices Also, check our drone frame collection, includes a variety of high-quality drone frames designed to cater to every drone enthusiast's needs.

F450/F550 Quadcopter High Landing Gear The landing gear adds extra protection to your flying platform and all other precious equipment. This protection is available at no cost when compared with the cost of all the accessories that you ride on your multirotor. The F450 F550 Frame Landing Gear Landing Skid provides around 200mm of ground clearance which is just more than sufficient to mount Gimbal or Battery like large equipment at the bottom of your flying machine. Their special purpose is to keep the center unobstructed for mounting cameras, gimbals, batteries, etc., and also give protection to those mountings. The Landing Gear is made up of high-quality ABS Plastic. It has a hole spacing of 68mm at the top center. This landing gear is ready to be equipped with F450 F550 Multirotor Frames. With such crab legs, you do not have to worry too much about the landing of your Multirotor as the Landing Gears are the best solution to reduce the impact of hard and rough landings. Check out the best collection of Drone Parts . Note: The frame is not included in this pack. It has to be brought separately. Also check Anti-Vibration Shock Absorber designed for various flight controllers such as APM, KK, MWC, and PixHawk. It is made of black glass fiber and comes in two frame sizes: 90x60x2 mm and 100x70x2 mm. The shock absorber has a height of 10x12 mm and weighs 25 grams. It is suitable for different open-source flight controllers, including APM 2.5/2.6/2.8, KK, MWC, and Pixhawk 2.4. Also check 3 Axis FPV Camera Brushless Gimbal with Control Board . it has a shock resistant design and an aluminum-alloy structure. The brushless motor drives the gimbal directly. Key features include an onboard gyroscope and accelerometer, infrared LED interface, Futaba S-Bus support, up to 7-channel PWM/Sum-PPM input/output, and an I2C port Key Features: Compatible with F450/F550 Multirotor Frames. Features multi-axis tripod cushions and half-round head caps. Suitable for mounting gimbals and batteries with 200mm ground clearance. It is made from high-grade ABS Plastic.

5.3V 3A APM Power Module with XT60 Connector The APM 2.5/6 Pixhawk Power Module for drones is a simple way of providing your APM 2.5/6 with clean power from a LiPo battery as well as current consumption and battery voltage measurements, all through a 6-pos cable. The onboard switching regulator outputs 5.3V and a maximum of 2.25A. The Power Module comes completely assembled with XT60 black connectors and wrapped in shrink tubing for protection. Used to detect the battery voltage and the battery current, the flight control board receives two signals, calculates the remaining battery power, and estimates the remaining flight time. In addition, the module also comes with a BEC function, you can output 5.3 DC, 3A maximum continuous current for the flight control board to provide a stable power supply. Note : The Power Module is only designed to power APM, an RC receiver, and APM accessories (GPS, 3DR radio). It is not designed to power servos. Also check xt60 connector pair, which is a high-quality connectivity solution available on the Iotcart. Designed with a 3.5mm bullet connector and featuring gold plating, Features: 5.3V with a maximum current of 3A. Supports 2S to 6S LiPo batteries (up to 28V). Capable of measuring up to 90A. Comes with XT60 connectors for easy and secure connections. Includes overvoltage, undervoltage, and overcurrent protection. Provides voltage and current measurements to the flight controller for monitoring battery status and estimating remaining flight time. Works with APM and Pixhawk flight controllers. Compact and lightweight design for easy integration into UAV projects Applications: UAVs and Drones RC Vehicles Robotics Telemetry Systems DIY Electronics Projects Package Include: 1 x APM Power Module 1 x XT60 Connector Pair

Pixhawk 2.4.8 Drone Flight Controller PX4 32 Bit Autopilot The Pixhawk 2.4.8 Drone Flight Controller PX4 advanced 32-bit CortexM4 ARM high performance processor, can run RTOS NuttX real-time operating system Bus interface (UART, I2C, SPI, CAN) Integrated backup power supply and failure backup controller, the main controller can be safely switched to backup control Provide automatic and manual mode Provide redundant power input and fault transfer function. It Supports 8 RC channel with 4 serial port. Various user interfaces are available for programing, reviewing logs, even some apps for smartphones & tablets. It detects and configures all its peripherals automatically. The benefits of the Pixhawk 2.4.8 flight controller system include a Unix/Linux-like programming environment, completely new autopilot functions. Sophisticated scripting of missions and flight behavior, and a custom PX4 driver layer ensuring tight timing across all processes. check out : Mini OSD Module For 2.6 APM PIX Pixhawk Flight Control Board Processor of Pixhawk Flight Controller: 32bit STM32F427 Cortex M4 core with FPU 168MHz 256KB RAM 2 MB Flash 32 bit STM32STMF100 failsafe co-processor Sensor: ST Micro L3GD20H 16 bit gyroscope ST Micro LSM303D 14 bit accelerometer/magnetometer Invensense MPU 6000 3-axis accelerometer/gyroscope MEAS MS5611 barometer Interfaces: 5x UART (serial ports), one high-power capable, 2x with HW flow control. 2x CAN (one with an internal 3.3V transceiver, one on expansion connector). Spektrum DSM / DSM2 / DSM-X Satellite compatible input. Futaba S.BUS compatible input and output. PPM sum signal input. RSSI (PWM or voltage) input. I2C. SPI. 3.3 and 6.6V ADC inputs. Internal micro USB port and external micro USB port extension. Features: Advanced 32 bit CortexM4 ARM high-performance processor. 32 bit STM32STMF100 failsafe co-processor. Multiple flight modes including self-stability, height-set, hover, sports, freestyle, circling, following, return, guidance, and automatic. Switchable flight modes for Helicopter, Fixed-wing, Multi-rotor, and Model Car. Multi-sound buzzer interface. Abundant connectivity options for additional peripherals such as GPS, I2C, and SPI 14 PWM/servo outputs (8 with failsafe and manual override, 6 auxiliary, high-power compatible). Supports DSM Spektrum receiver. Unix/Linux-like programming environment. Automatic configuration of peripherals. Unix/Linux-like programming environment. Unix/Linux-like programming environment. Supports sophisticated scripting of missions and flight behavior. Custom PX4 driver layer ensuring tight timing across all processes. Applications: Drone/UAV flight control. Autonomous aerial photography and videography. Precision agriculture for crop monitoring and spraying. Search and rescue missions. Environmental monitoring. Infrastructure inspection (such as pipelines, power lines, and buildings). Wildlife conservation and monitoring. Disaster management and assessment. Geographical mapping and surveying. Delivery services. Why Choose Pixhawk 2.4.8? Open-source platform compatible with PX4 and ArduPilot firmware for flexibility and customization. Reliable and proven 32-bit flight controller for stable and precise drone performance. Supports multiple vehicle types including quadcopters, fixed-wing, and rovers. Rich connectivity with multiple UART, I2C, CAN, and PWM ports for sensors and accessories. Built-in safety features such as failsafe system and power redundancy. Ideal for both beginners and advanced drone developers. Comparison Table: Pixhawk 2.4.8 vs Pixhawk 4 Specification Pixhawk 2.4.8 Pixhawk 4 Processor STM32F427 Cortex-M4 @ ~168 MHz STM32F76x/STM32F7 Cortex-M7 @ ~216 MHz or higher RAM / Flash ~128 KB RAM, 2 MB Flash ~512 KB RAM, 2 MB Flash (improved memory) IMU / Sensors Single IMU package; standard sensors (gyro/accel/mag/baro) Dual IMUs or higher grade sensors with higher temperature stability I/O Ports / Interfaces 14 PWM/servo outputs, multiple UARTs, I2C, SPI, CAN More outputs/ports, additional I/O, improved connector layout, better expandability Size & Weight Larger board (~82 × 50 mm) and heavier Smaller form factor and lighter weight Features Proven, widely-supported flight controller with rich community support Modern architecture, higher performance, better future-proofing Best For Hobby drones, standard multirotors/rovers where cost is key Advanced UAVs, heavy payloads, applications needing higher precision & performance

Pluto X Educational Nano DIY Drone Kit with Camera and WIFI for STEM Learning Unlock the exciting world of aerial robotics with the Pluto X Educational Nano DIY Drone Kit with Camera and WIFI for STEM Learning - an innovative and hands-on platform designed for students, hobbyists, and tech enthusiasts. This drone making kit with camera allows users to assemble their own drone while gaining practical knowledge in robotics, coding, and electronics. Developed at IIT Bombay and proudly made in India, Pluto X comes with a C++ based easy API structure and fully open-source code, making it ideal for custom development and experimentation. As a comprehensive DIY drone project kit, it enables learners to capture HD photos and videos or explore ROS-based image processing capabilities using the built-in WiFi camera. With modular expandability, users can integrate additional sensors and attachments to create advanced applications such as rovers, racing drones, or collision-avoidance systems. The Pluto X is the perfect DIY drone project kit for STEM learners looking to take their first steps into drone programming and design. Whether you're working on a school project or building a custom UAV, this diy mini drone kit offers a powerful, flexible platform backed by responsive support and a vibrant developer community. Elevate your tech journey with this one-of-a-kind drone making kit with camera. Features: Programmable Flight Controller- Customize and control every aspect of your drone's flight by writing your own code to unlock new functionalities and performance enhancements. Modular Hardware Design- Easily assemble, disassemble, and upgrade your drone with its modular structure — perfect for experimenting with different configurations. Multi-Sensor Integration- Expand your drone’s capabilities by attaching various sensors and accessories, including cameras, for a broader range of experiments and applications. Comprehensive Educational Resources- Access a rich library of tutorials, guides, documentation, and an active community to support your learning journey, from beginner to advanced levels. Smartphone Control via Pluto Controller App- Seamlessly pilot and program your drone using an intuitive mobile app that supports flight customization and real-time controls. Fully Open-Source Software- Embrace true customization and collaboration with open-source software. Program using Pluto Blocks, Cygnus IDE, ROS, or Python, with no license restrictions.

Quadcopter DIY Drone Kit for Beginners Fly into the exciting world of drones with our Quadcopter DIY Drone Combo Kit. This full kit is designed to spark your interest and passion for crafting. Designed for beginners and DIY enthusiasts, this RC drone-making kit includes all of the necessary components to build your own copter. Explanation of each component included in the DIY Drone Kit for Beginners in more detail: F450 Frame: The F450 Frame is the main frame. It has a 450mm diameter and is strong yet lightweight, similar to the DJI frame. This frame was designed to withstand several crashes while maintaining a decent balance of strength and weight. The optimized frame design enables modification and extension with autopilot systems and DJI devices. 1000Kv BLDC Motor: This Quadcopter kit comprises four 1000Kv brushless DC (BLDC) motors. BLDC motors are commonly used in drones because of their high efficiency, low maintenance requirements, and superior power-to-weight ratio. The "Kv" rating denotes the motor's speed constant or the rotational speed per volt applied. ESC: The kit provides four Electronic Speed Controllers (ESCs), one for each motor. ESCs are essential for controlling the speed and direction of the motors. These brushless ESCs are pre-programmed from the factory, ensuring convenience and ease of use. 2-3 Cell Battery Charger: This is a battery charger that is compatible with 2-3 cell Lithium Polymer (LiPo) batteries. LiPo batteries are commonly used in drones due to their high energy density and lightweight properties. 2200 mAh Lipo Battery: The kit comes with a 2200mAh Lithium Polymer (LiPo) battery. LiPo batteries are commonly used in drones as they provide a high energy output for their weight, allowing for longer flight times. Fly Sky FS-CT6B 6ch 2.4GHz Transmitter & Receiver: The Fly Sky FS-CT6B is a 6-channel 2.4GHz transmitter and receiver system. The transmitter is used to control the quadcopter, and the receiver receives the signals from the transmitter and relays them to the flight controller. APM 2.8 Flight Controller (Without Compass): The Flight Controller is the brain of the quadcopter. It processes data from various sensors, such as gyroscopes and accelerometers, to stabilize the flight and maintain its orientation during flight. The APM 2.8 is a popular flight controller used in DIY drone projects. XT60 Male Connector: The XT60 Male Connector is used for connecting the LiPo battery to the power distribution board of the quadcopter. Propeller (2CW, 2CCW): The kit includes four propellers, with two clockwise (CW) and two counterclockwise (CCW) rotation propellers. The correct combination of CW and CCW propellers is essential for it to achieve stable flight. These components, when assembled together, form the basic structure and control system of the quadcopter, allowing you to build and customize your own drone for various applications. Explore other DIY Drone Kits Warning: Flying quadcopter platforms require a considerable amount of practice and skill. If not handled correctly, it can cause severe injury. Please read the flight controller manual carefully before starting. Please make sure that you remove the props before doing any calibration and/or configuration changes. Grab the various collections of DIY Drone Kits . Also check our drone spare parts collection, including motors, propellers, ESCs, frames, and various accessories. Note : The package weighs 1500 grams (approx) and Dimensions: 21 x 15 x 9cms (approx) Why Choose DIY Drone Kits? Gain hands-on experience and understand how drones work Learn about flight controllers, ESCs, motors, and wiring Customize frame size, motors, and sensors as per your needs Add advanced features like GPS, FPV, or obstacle avoidance Save money compared to pre-built drones of similar quality Upgrade or replace individual parts easily Simplify repairs and long-term maintenance Build confidence in drone troubleshooting and configuration Safety and Legal Guidelines for Flying a Drone in India Practice in open, obstacle-free areas away from people, trees, and power lines Use Beginner Mode to limit speed and altitude during initial flights Activate safety features like Return-to-Home (RTH), obstacle avoidance, and geofencing Always maintain visual line of sight with your drone while flying Avoid flying over crowds, roads, or public gatherings to prevent accidents Check DGCA drone regulations before every flight and avoid restricted or no-fly zones Fly below 120 meters (400 feet) in uncontrolled airspace as per Indian drone laws Register your drone and obtain UIN/UAOP (if applicable) through India’s Digital Sky platform Perform pre-flight checks on battery, propellers, and GPS connection for safety Respect privacy and local laws, and fly responsibly to promote safe drone culture in India Applications Engineering and STEM students – for academic projects, lab experiments, and practical learning Drone enthusiasts and hobbyists – for hands-on building, customization, and flight practice STEM and robotics competitions – for showcasing innovation and control systems Educators and trainers – for teaching drone technology, electronics, and coding Research and prototyping teams – for testing drone-based applications like mapping or surveillance Makers and innovators – for DIY exploration of UAV design and performance tuning How to Build Your Drone from with F450 Drone Kit

A2212 1400KV BLDC Brushless Motor Build powerful and efficient quadcopters with the A2212 1400KV BLDC (Brushless DC) motor, designed specifically for quadcopters and multirotors. This motor offers exceptional performance and efficiency, ensuring a satisfying flight experience. Its solid metal case ensures durability and reliability, making it suitable for a variety of quadcopter and hexacopter frames. With a lightweight construction and impressive performance capabilities, this motor is the perfect choice for both hobbyists and professional pilots. The A2212 1400KV motor is engineered for reliability and performance. Its high-quality pre-soldered connector allows for fast and direct connection with the ESC, ensuring smooth and efficient power delivery to your drone. The motor's steel construction can withstand the demands of competition, providing consistent and powerful performance in all flying conditions. The integrated prop adaptor offers versatility, accommodating a variety of prop styles, while the aluminum mount ensures quick and simple installation on your quadcopter frame. This 1400KV BLDC motor is optimized to work with propellers ranging from 8 to 10 inches in diameter, making it ideal for medium-sized quadcopters. It can consume between 4 – 12A of current, ensuring an impressive thrust-to-weight ratio for exhilarating flights. Whether you're a drone enthusiast or a professional pilot, this motor will elevate your drone's performance and take your aerial adventures to new heights. If you want to Build a Quadcopter for your own you can do it too. For that you need S.no Component 1 Drone frames 2 Flight Controller (FC) 3 ESC or Electronic Speed Control 4 RC transmitter & receiver 5 Power Distribution Board 6 Propellers 7 Battery and charger This 1400KV BLDC Motor comes with an integrated prop adaptor for use with a variety of prop styles, including a 4mm shaft and adaptor sleeves for 5mm/6mm props. It also includes an aluminum mount for quick and simple installation on your quadcopter frame. The kit includes mounting bolts, prop adapters, and power leads. About BLDC Motor: BLDC Motor (Brushless direct current electric motors), also known as electronically commutated motors, are available (ECMs, EC motors). Primary efficiency is a critical feature of BLDC motors. Because the rotor is the sole magnet bearer and does not require any power. That is, there are no connections, no commutator, and no brushes. Instead, the motor makes use of control circuitry. BLDC motors use controllers, rotary encoders, or a Hall sensor to detect where the rotor is at any given time. Join Our Global Community Be a part of the growing global community of makers and innovators who have chosen Iotcart as their go-to destination for DIY electronics. With our vast selection of compatible boards, sensors, and accessories, you'll find everything you need to bring your ideas to life. Best Price, Free Shipping, and COD At Iotcart, we understand the value of your time and money. That's why we offer the best price guarantee, ensuring you get the most value for your investment. Plus, enjoy the convenience of free shipping on orders above Rs 500/- and Cash on Delivery (COD) option for hassle-free payment. Secure, Swift, and Supportive Our dedicated technical support team is always at your service to assist you in your DIY journey. We take pride in delivering genuine products worldwide with the utmost care and security, ensuring you have a smooth and delightful shopping experience. Features of a 1400KV BLDC Motor: The steel construction can resist the demands of competition. They are appropriate for a variety of Quadcopter and Hexacopter Frames due to their lightweight construction. Small size. Provides excellent performance and value. For the optimum RC experience, use a smooth throttle response. Applications: Drones Quadcopters Multirotors RC Airplanes UAV

DIY F450 Quadcopter Frame Kit Assembling this Lightweight f450 drone frame kit is easy with pre-threaded brass sleeves for all of the frame bolts, so no lock-nuts are required. It utilizes one size of bolt for the entire build, making the hardware very easy to keep in order and only requiring one size of hex wrench to assemble. The Durable F450 frame for multirotor drones consist of the following parts: F450 Quadcopter Frame The F450 Quadcopter Frame is a 450mm quad frame built from quality materials. The main frame is glass fiber while the arms are constructed from ultra-durable polyamide nylon. F450 drone frame also comes with stronger molded arms, so no more arm breakage at the motor mounts on a hard landing. A2212 1000Kv motor The A2212 1000Kv motor is a BLDC brushless outrunner motor specifically made for quadcopters and multirotors. It provides high performance and brilliant efficiency. 1045 propellor A set of 2 x 1045 Propellers . The set includes one clockwise rotating and one counter-clockwise rotating propeller with 2 x propeller shaft adapters. The adapters allow the propeller to be used with motors of different shaft diameters. Simonk 30Amp ESC brushless motor The Simonk 30A ESC is an Electronic Speed Controller (ESC) which is used to drive brushless DC motors and is capable of supplying current up to 30A. The 30A Simonk controller is made for quadcopters and multicopters to provide faster and better motor speed control. Check out the best F450 Quadcopter Frame kit Upgrade Your RC with FlySky FS-CT6B Transmitter and Receiver How do you install the ESCs and the brushless motors into the F450 frame? Installing the ESCs and the brushless motors on the quadcopter frame kit is a simple operation. Best DIY drone making kit for learning STEM & Robotics. Firstly, mount the motors on the arms of the f450 quadcopter drone frame kit by screwing the motors onto the motor mounting plates. Mount the motors such that the wires are in the direction of the centre of the frame. Plug the ESCs to the brushless motors and then zip tie the ESCs and the wires to the arms of the quadcopter frame firmly. The 4 ESC's need to be soldered to the bottom PCB (bigger in size). The red wires of the ESCs must be soldered to the positive terminal while the black wires must be soldered to the negative terminal. To solder the wire first you need to tin the point on the board by applying some solder. Ensure the solder joint is clean and strong. Also check Smart 100 Carbon Fiber FPV RC Racing Quadcopter Frame Spare Parts Accessories Kit . read our blog explaining the what do you need to build a drone .