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Robu.in | Indian Online Store | RC Hobby | Robotics
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      • Component Kit
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      • Microcontroller ICs
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    • Motors
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      • Upto 3 Inch
      • 3 Inch to 7 Inch
      • 8 Inch to 10 Inch
      • 11 Inch and Above
      • Carbon Fiber Propeller
      • Triblades
      • Propeller Accessories
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    • FPV Antennas and Trans-Receivers
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  • E-Bike Parts
    • Ebike Kit
    • Ebike Motor and Controller
    • Ebike Battery
    • Mechanical Accessories
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    • Creality 3D Printers
    • Electronics Parts
      • 3D Printer Display and Controllers
      • 3D Printer Extruder Kit
      • 3D Printer Extruder Parts and Fans
      • Stepper Motors and Accessories
      • 3D Printer Display and Controller
      • Limit Switch
    • Mechnical Parts
      • 3D Printer Heatbed and Accessories
      • 3D Printer Nozzle
      • Lead Screw and Nut
      • Linear Rail Guides
      • Aluminum Extrusion and Accessories
      • Smooth Rods
      • 3D Printer Coupling
      • Timing Belt and Pulley
      • Sleeves and Drag Chain
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      • ORANGE Premium Filaments
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      • 2S Lipo (7.4V ~ 8.4V)
      • 3S Lipo (11.1V ~ 12.6V)
      • 4S Lipo (14.8V ~ 16.8V)
      • 6S LiPo (22.2V ~ 25.2V)
    • Orange LiPO Battery
      • 1 Cell (3.7-4.2)V
      • 2 Cell (7.4-8.4)V
      • 3 Cell (11.1-12.6)V
      • 4 Cell (14.8-16.8)V
      • 6 Cell (22.2-25.2)V
    • Micro LiPo Batteries
    • Lithium-Ion Batteries
      • 1 cell (3.7V~4.2V)
      • 2 Cell (7.4V~8.4V)
      • 3 Cell (11.1V~12.6V)
      • 4 Cell (14.8V~16.8V)
      • 5 Cell (18.5V) & Above
    • Orange Premium BMS
    • Other Batteries
      • TX/RX Li-PO Batteries
      • LifePO4 Battery
      • Coin Cell Battery
      • CNC and PLC Machine Battery
    • Battery Accessories
      • Battery Protection Board
      • Battery Pack Accessories & Holders
      • Battery Chargers
      • Battery Connector
      • Battery Harness
      • Power Adapter and Cable
      • Lipo Voltage Checker
      • Parallel Charging Board
      • LiPO Battery Sack, Covers & Mats
  • Motors, Drivers, Actuators
    • Planetary Gear Motor
      • Orange Planetary Gears Motor
      • Orange Planetary BLDC Motors
      • Planetary Gear DC Motors
    • Brushed DC Motor
      • Orange Johnson Geared Motor
      • Johnson Geared Motor (Grade B)
      • DC Geared Motor with Encoder
      • 25 GA Motors
      • Orange OG 555 DC Motor
      • RS 50 Geared Motor
      • Orange RS 775 DC Motor
      • Orange PM33 Motor
      • Orange Square Gear Box Motor
      • Orange Rectangular Gearbox Motor
    • N20 Micro Gear Motor
      • Micro Gear Motor with Encoder
      • Micro Gear Motor without Encoder
    • Stepper Motor
    • Servo Motors
      • Orange RC Servo Motors
      • Emax Servo Motor
      • Other Servo motor
    • Pumps
      • Kamoer High Quality Pumps and Accessories
      • Generic Pumps
      • Pneumatic Connectors and Valves
    • Cooling Fans
    • Linear Motor/Actuator
    • Solenoids & Electromagnets
    • Other DC Motors
      • BO Motors
      • Metal Gear Box Motor
      • Plastic Gear Box Motors
      • Vibration Motor
      • Drone Motor
    • Motor Drivers
      • Brushed DC Motor Driver
      • Servo Motor Driver
      • Stepper Motor Drivers
      • Brushless DC Motor Driver (ESC)
    • Motor Accessories
      • Motor Mounting Brackets
      • Bearings
      • Couplings
      • JR Servo Cable
      • Futaba Servo Cable
      • Push Rod
      • Other Accessories
  • Development Board
    • Official Arduino Boards
      • Original Arduino Boards
      • Official Arduino Shields
      • Official Arduino Kits
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    • Single Board Computer
    • Teensy Board
    • Udoo Board
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      • Boards
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      • Displays
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  • Official Arduino Boards
    • Original Arduino Boards
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    • Official Boards and Hats
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  • Displays
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    • e-Ink Display
    • Seven Segment LED Display
    • LED Dot Matrix Display
  • Sensors
    • Sensor Kits
    • Ultrasonic and Proximity
      • MAXBOTIX Ultrasonic Sonar
      • Ultrasonic Sensor
      • Orange Proximity Sensor
      • Autonics Proximity Sensor
      • Other Proximity Sensor & Modules
      • LiDAR Sensor
      • Other Ultrasonic Sensors
    • Temp., Humidity, Gas & Environmental
      • Temperature & Humidity Sensor
      • Environmental Sensors
      • Gas and Dust Sensor
      • Thermoelectric Cooler
    • Motion, Light and Sound
      • PIR / IR and Optical Sensor
      • RFID Card, Tags & Reader
      • Light/Color Sensor
      • Line Sensor
      • Sound Sensor
    • Biometric, Rotation, and Current
      • Biometric/ECG/EMG Sensor
      • Rotary Encoder
      • Current and Voltage
    • Load, Pressure, Flow & Vibration
      • Water TDS, pH, Flow, Level and Pressure Sensor
      • Vibration/Tilt Sensor and Modules
      • Load / Pressure / Force / Flex Sensor
  • Cameras
    • IoT Cameras
    • FPV Cameras
    • Smart Vision Camera
    • Thermal Cameras
    • Raspberry Pi Camera
  • IoT and Wireless
    • Ai Thinker ESP Modules and Development Boards
    • ESP WiFi Module
    • Development Board/Kit
    • xBee Zigbee Module
    • LORA WiFi
    • Bluetooth and NRF Modules
    • GSM / GPRS Modules
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    • Advance Controller Board
    • Wireless Smart Switches
  • Electronic Modules
    • Programming Module
    • Memory Interfacing
    • Communication Module
    • Bluetooth Interfacing
    • Ethernet Module
    • Interface Module
    • LED Module
    • LASER Module
    • Addressable LED and Drivers
    • Breakout Board
    • Relay Switch Modules
    • Electronic Switches/Keypads
    • Solar Panels and Controllers
    • Wearable Electronic
    • Real Time Module (RTC)
    • Audio Module/ Amplifier
    • Mux-DeMux & Logic Converter
    • Voltage Regulator
      • Boost Converter (Step-Up )
      • Buck Converter (Step-Down)
    • Measuring Instruments
      • Digital Multimeter
      • Temperature Meter
      • Digital Voltage, Current and Frequency Meter
      • Oscilloscope & Signal Generator
      • Other Measuring Instrument
    • Power Supply
      • Transformers
      • SMPS
      • Hi-Link Power Supply Module
    • Displays
  • Wires and Cables
    • PVC and Silicone Wires
      • PVC Wire
      • 6 to 10 AWG
      • 12 to 16 AWG
      • 18 to 22 AWG
      • 24 to 30 AWG
    • Multi-Color Project Cables
      • DuPont / Jumper Cable
      • Interfacing Cables
      • JR Servo cable
      • Futaba servo cable
      • FFC Cable
    • Heat Shrink Tubing / Sleeve
      • Heat Shrink Combos
      • 1 mm to 4 mm
      • 5 mm to 10 mm
      • 11 mm and Above
      • PVC Heat Shrink
    • Tools and Accessories
      • Wire Cutter / Stripper
      • Cable Ties
      • Sleeves and Drag Chain
  • Mechanical Components and Workbench Tools
    • Mechanical Robotic Parts
      • Chassis
      • Aluminum Extrusion and Accessories
      • Smooth Rods
      • Lead Screw
      • Linear Rail Guides
      • Couplings
      • Bearings
      • Motor Mounting Brackets
      • Gears
    • Wheels
      • Mecanum Wheels
      • Omni Wheels
      • Heavy Duty Wheel
      • RC Car Wheel
      • Pulley Wheel & Track Belt
      • Caster Wheels
    • Carbon Fiber
      • Carbon Fiber Sheets and Strips
      • Carbon Fiber Tubes and Rods
    • Nuts-Bolts and Spacers
      • Countersunk(CSK) Screws
      • Socket Set Screws (Allen Grub)
      • Socket Head Cap Screw (Allen Bolt)
      • CHHD Screws
      • Nut and Washers
      • Nylon Nuts and Bolts
      • Spacer and Standoff
    • Soldering Tools
    • Workbench Tools
  • Services
    • PCB Manufacturing Service
    • Custom Battery Pack
    • Online SLA 3D Printing Service
    • Online FDM 3D Printing Service
    • Metal Laser Cutting Service
    • Non-Metal Laser Cutting Service
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All Categories
  • Shop by Brands
  • New Arrivals
  • Refurbished
  • Partial Working
  • Electronic Components
    • Basic Electronic Components
      • Component Kit
      • Resistor
      • Inductor
      • Capacitor
      • Diode
      • Transistor
      • Crystal Oscillators
    • Semiconductor ICs
      • Microcontroller ICs
      • Interface ICs
      • Clock, Timer and Counter ICs
      • Sensor ICs
      • Optocoupler ICs
      • Converter ICs
      • Comparator ICs
      • Driver ICs
      • Encoder ICs
      • Audio ICs
      • IC Base
    • LEDs and Indicators
      • LEDs Kit
      • Pilot Lamp Indicator
      • LEDs with Holders
      • Through Hole LED
      • SMD LED
    • Miscellaneous Component
      • Potentiometer
      • Fuse
      • Buzzer/Speaker
      • Aluminium Heat Sink
      • Bread Board and Zero PCB
    • Mechanical Switches
    • Power Connectors
    • RF Connectors
    • Interface Connector
    • Berg / FPC / IDC Connector
  • DIY Learning and Robot Kits
    • Orange Premium Learning Kits
      • Orange Kits for Arduinos
      • Orange Kits for Raspberry Pi
      • Orange Electronic Component Kits
      • Orange DIY Mini Project Kits
    • DIY Hobby Project Parts
    • Robot Kits and Parts
    • Drone Kit
    • DIY 3D Printer Kits
    • Ebike Kit
    • Official Raspberry Pi Kits
    • Kits compatible with Arduino
    • Sensor Kits
    • Component Kit
  • Drone Parts
    • Kits
    • Frames and Accessories
    • Flight Controller & Accessories
    • Motors
    • Speed Controllers (ESC)
    • Drone Propellers
      • Upto 3 Inch
      • 3 Inch to 7 Inch
      • 8 Inch to 10 Inch
      • 11 Inch and Above
      • Carbon Fiber Propeller
      • Triblades
      • Propeller Accessories
    • Drone Transmitter & Receiver
    • Antennas
    • FPV Cameras
    • FPV Antennas and Trans-Receivers
    • Accessories
    • Camera Gimbal
  • E-Bike Parts
    • Ebike Kit
    • Ebike Motor and Controller
    • Ebike Battery
    • Mechanical Accessories
    • Electronics Accessories
  • 3D Printers and Parts
    • Creality 3D Printers
    • Electronics Parts
      • 3D Printer Display and Controllers
      • 3D Printer Extruder Kit
      • 3D Printer Extruder Parts and Fans
      • Stepper Motors and Accessories
      • 3D Printer Display and Controller
      • Limit Switch
    • Mechnical Parts
      • 3D Printer Heatbed and Accessories
      • 3D Printer Nozzle
      • Lead Screw and Nut
      • Linear Rail Guides
      • Aluminum Extrusion and Accessories
      • Smooth Rods
      • 3D Printer Coupling
      • Timing Belt and Pulley
      • Sleeves and Drag Chain
    • 3D Printer Filaments
      • ORANGE Premium Filaments
      • ESUN Filaments
      • Resins
  • Batteries, Chargers and Accessories
    • Custom Battery Pack
    • Lemon Premium Li-PO Battery
      • 2S Lipo (7.4V ~ 8.4V)
      • 3S Lipo (11.1V ~ 12.6V)
      • 4S Lipo (14.8V ~ 16.8V)
      • 6S LiPo (22.2V ~ 25.2V)
    • Orange LiPO Battery
      • 1 Cell (3.7-4.2)V
      • 2 Cell (7.4-8.4)V
      • 3 Cell (11.1-12.6)V
      • 4 Cell (14.8-16.8)V
      • 6 Cell (22.2-25.2)V
    • Micro LiPo Batteries
    • Lithium-Ion Batteries
      • 1 cell (3.7V~4.2V)
      • 2 Cell (7.4V~8.4V)
      • 3 Cell (11.1V~12.6V)
      • 4 Cell (14.8V~16.8V)
      • 5 Cell (18.5V) & Above
    • Orange Premium BMS
    • Other Batteries
      • TX/RX Li-PO Batteries
      • LifePO4 Battery
      • Coin Cell Battery
      • CNC and PLC Machine Battery
    • Battery Accessories
      • Battery Protection Board
      • Battery Pack Accessories & Holders
      • Battery Chargers
      • Battery Connector
      • Battery Harness
      • Power Adapter and Cable
      • Lipo Voltage Checker
      • Parallel Charging Board
      • LiPO Battery Sack, Covers & Mats
  • Motors, Drivers, Actuators
    • Planetary Gear Motor
      • Orange Planetary Gears Motor
      • Orange Planetary BLDC Motors
      • Planetary Gear DC Motors
    • Brushed DC Motor
      • Orange Johnson Geared Motor
      • Johnson Geared Motor (Grade B)
      • DC Geared Motor with Encoder
      • 25 GA Motors
      • Orange OG 555 DC Motor
      • RS 50 Geared Motor
      • Orange RS 775 DC Motor
      • Orange PM33 Motor
      • Orange Square Gear Box Motor
      • Orange Rectangular Gearbox Motor
    • N20 Micro Gear Motor
      • Micro Gear Motor with Encoder
      • Micro Gear Motor without Encoder
    • Stepper Motor
    • Servo Motors
      • Orange RC Servo Motors
      • Emax Servo Motor
      • Other Servo motor
    • Pumps
      • Kamoer High Quality Pumps and Accessories
      • Generic Pumps
      • Pneumatic Connectors and Valves
    • Cooling Fans
    • Linear Motor/Actuator
    • Solenoids & Electromagnets
    • Other DC Motors
      • BO Motors
      • Metal Gear Box Motor
      • Plastic Gear Box Motors
      • Vibration Motor
      • Drone Motor
    • Motor Drivers
      • Brushed DC Motor Driver
      • Servo Motor Driver
      • Stepper Motor Drivers
      • Brushless DC Motor Driver (ESC)
    • Motor Accessories
      • Motor Mounting Brackets
      • Bearings
      • Couplings
      • JR Servo Cable
      • Futaba Servo Cable
      • Push Rod
      • Other Accessories
  • Development Board
    • Official Arduino Boards
      • Original Arduino Boards
      • Official Arduino Shields
      • Official Arduino Kits
    • Raspberry Pi
    • 8051 Board
    • Single Board Computer
    • Teensy Board
    • Udoo Board
    • ARM Microcontroller
    • PIC Development board
    • Programmers
    • Advance Development Boards
    • Compatible with Arduino Boards
      • Boards
      • Shields
      • USB Cables for Arduino
      • Displays
      • Case for Arduino
  • Official Arduino Boards
    • Original Arduino Boards
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    • Official Arduino Kits
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    • Display
    • Camera
    • Raspberry Pi Hats
    • Accessories
  • Displays
    • HMI LCD Display
    • LCD Displays
    • OLED Display
    • e-Ink Display
    • Seven Segment LED Display
    • LED Dot Matrix Display
  • Sensors
    • Sensor Kits
    • Ultrasonic and Proximity
      • MAXBOTIX Ultrasonic Sonar
      • Ultrasonic Sensor
      • Orange Proximity Sensor
      • Autonics Proximity Sensor
      • Other Proximity Sensor & Modules
      • LiDAR Sensor
      • Other Ultrasonic Sensors
    • Temp., Humidity, Gas & Environmental
      • Temperature & Humidity Sensor
      • Environmental Sensors
      • Gas and Dust Sensor
      • Thermoelectric Cooler
    • Motion, Light and Sound
      • PIR / IR and Optical Sensor
      • RFID Card, Tags & Reader
      • Light/Color Sensor
      • Line Sensor
      • Sound Sensor
    • Biometric, Rotation, and Current
      • Biometric/ECG/EMG Sensor
      • Rotary Encoder
      • Current and Voltage
    • Load, Pressure, Flow & Vibration
      • Water TDS, pH, Flow, Level and Pressure Sensor
      • Vibration/Tilt Sensor and Modules
      • Load / Pressure / Force / Flex Sensor
  • Cameras
    • IoT Cameras
    • FPV Cameras
    • Smart Vision Camera
    • Thermal Cameras
    • Raspberry Pi Camera
  • IoT and Wireless
    • Ai Thinker ESP Modules and Development Boards
    • ESP WiFi Module
    • Development Board/Kit
    • xBee Zigbee Module
    • LORA WiFi
    • Bluetooth and NRF Modules
    • GSM / GPRS Modules
    • Transmitter and Receivers
    • Advance Controller Board
    • Wireless Smart Switches
  • Electronic Modules
    • Programming Module
    • Memory Interfacing
    • Communication Module
    • Bluetooth Interfacing
    • Ethernet Module
    • Interface Module
    • LED Module
    • LASER Module
    • Addressable LED and Drivers
    • Breakout Board
    • Relay Switch Modules
    • Electronic Switches/Keypads
    • Solar Panels and Controllers
    • Wearable Electronic
    • Real Time Module (RTC)
    • Audio Module/ Amplifier
    • Mux-DeMux & Logic Converter
    • Voltage Regulator
      • Boost Converter (Step-Up )
      • Buck Converter (Step-Down)
    • Measuring Instruments
      • Digital Multimeter
      • Temperature Meter
      • Digital Voltage, Current and Frequency Meter
      • Oscilloscope & Signal Generator
      • Other Measuring Instrument
    • Power Supply
      • Transformers
      • SMPS
      • Hi-Link Power Supply Module
    • Displays
  • Wires and Cables
    • PVC and Silicone Wires
      • PVC Wire
      • 6 to 10 AWG
      • 12 to 16 AWG
      • 18 to 22 AWG
      • 24 to 30 AWG
    • Multi-Color Project Cables
      • DuPont / Jumper Cable
      • Interfacing Cables
      • JR Servo cable
      • Futaba servo cable
      • FFC Cable
    • Heat Shrink Tubing / Sleeve
      • Heat Shrink Combos
      • 1 mm to 4 mm
      • 5 mm to 10 mm
      • 11 mm and Above
      • PVC Heat Shrink
    • Tools and Accessories
      • Wire Cutter / Stripper
      • Cable Ties
      • Sleeves and Drag Chain
  • Mechanical Components and Workbench Tools
    • Mechanical Robotic Parts
      • Chassis
      • Aluminum Extrusion and Accessories
      • Smooth Rods
      • Lead Screw
      • Linear Rail Guides
      • Couplings
      • Bearings
      • Motor Mounting Brackets
      • Gears
    • Wheels
      • Mecanum Wheels
      • Omni Wheels
      • Heavy Duty Wheel
      • RC Car Wheel
      • Pulley Wheel & Track Belt
      • Caster Wheels
    • Carbon Fiber
      • Carbon Fiber Sheets and Strips
      • Carbon Fiber Tubes and Rods
    • Nuts-Bolts and Spacers
      • Countersunk(CSK) Screws
      • Socket Set Screws (Allen Grub)
      • Socket Head Cap Screw (Allen Bolt)
      • CHHD Screws
      • Nut and Washers
      • Nylon Nuts and Bolts
      • Spacer and Standoff
    • Soldering Tools
    • Workbench Tools
  • Services
    • PCB Manufacturing Service
    • Custom Battery Pack
    • Online SLA 3D Printing Service
    • Online FDM 3D Printing Service
    • Metal Laser Cutting Service
    • Non-Metal Laser Cutting Service
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      • Component Kit
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      • Capacitor
      • Diode
      • Transistor
      • Crystal Oscillators
    • Semiconductor ICs
      • Microcontroller ICs
      • Interface ICs
      • Clock, Timer and Counter ICs
      • Sensor ICs
      • Optocoupler ICs
      • Converter ICs
      • Comparator ICs
      • Driver ICs
      • Encoder ICs
      • Audio ICs
      • IC Base
    • LEDs and Indicators
      • LEDs Kit
      • Pilot Lamp Indicator
      • LEDs with Holders
      • Through Hole LED
      • SMD LED
    • Miscellaneous Component
      • Potentiometer
      • Fuse
      • Buzzer/Speaker
      • Aluminium Heat Sink
      • Bread Board and Zero PCB
    • Mechanical Switches
    • Power Connectors
    • RF Connectors
    • Interface Connector
    • Berg / FPC / IDC Connector
  • DIY Learning and Robot Kits
    • Orange Premium Learning Kits
      • Orange Kits for Arduinos
      • Orange Kits for Raspberry Pi
      • Orange Electronic Component Kits
      • Orange DIY Mini Project Kits
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    • Kits compatible with Arduino
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    • Flight Controller & Accessories
    • Motors
    • Speed Controllers (ESC)
    • Drone Propellers
      • Upto 3 Inch
      • 3 Inch to 7 Inch
      • 8 Inch to 10 Inch
      • 11 Inch and Above
      • Carbon Fiber Propeller
      • Triblades
      • Propeller Accessories
    • Drone Transmitter & Receiver
    • Antennas
    • FPV Cameras
    • FPV Antennas and Trans-Receivers
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    • Camera Gimbal
  • E-Bike Parts
    • Ebike Kit
    • Ebike Motor and Controller
    • Ebike Battery
    • Mechanical Accessories
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    • Creality 3D Printers
    • Electronics Parts
      • 3D Printer Display and Controllers
      • 3D Printer Extruder Kit
      • 3D Printer Extruder Parts and Fans
      • Stepper Motors and Accessories
      • 3D Printer Display and Controller
      • Limit Switch
    • Mechnical Parts
      • 3D Printer Heatbed and Accessories
      • 3D Printer Nozzle
      • Lead Screw and Nut
      • Linear Rail Guides
      • Aluminum Extrusion and Accessories
      • Smooth Rods
      • 3D Printer Coupling
      • Timing Belt and Pulley
      • Sleeves and Drag Chain
    • 3D Printer Filaments
      • ORANGE Premium Filaments
      • ESUN Filaments
      • Resins
  • Batteries, Chargers and Accessories
    • Custom Battery Pack
    • Lemon Premium Li-PO Battery
      • 2S Lipo (7.4V ~ 8.4V)
      • 3S Lipo (11.1V ~ 12.6V)
      • 4S Lipo (14.8V ~ 16.8V)
      • 6S LiPo (22.2V ~ 25.2V)
    • Orange LiPO Battery
      • 1 Cell (3.7-4.2)V
      • 2 Cell (7.4-8.4)V
      • 3 Cell (11.1-12.6)V
      • 4 Cell (14.8-16.8)V
      • 6 Cell (22.2-25.2)V
    • Micro LiPo Batteries
    • Lithium-Ion Batteries
      • 1 cell (3.7V~4.2V)
      • 2 Cell (7.4V~8.4V)
      • 3 Cell (11.1V~12.6V)
      • 4 Cell (14.8V~16.8V)
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HomeBlogsDrone PartsHow to Choose a Flight Controller for Multi-Rotors

How to Choose a Flight Controller for Multi-Rotors

Drone Parts, Flight controller  0  comments  4788 Views  Thursday, January 2, 2020











This article separates all the flight controller boards based on the common characteristics and purpose with use cases for each.

Flight Controller

     Multi-rotors today have found a great application in many fields like photography, surveillance, transport, remote sensing, rescue-and-relief and also in entertainment purposes like racing. All Multi-rotors have four segments, the airframe (main body of the drone),power electronics  (brushless motors and Electronic Speed Controllers or ESCs), power unit (the battery and power distribution boards) and finally the most important, the control unit which has the main flight controller and the transmitter/receiver unit.

     The performance and working of the first three segments largely depends on the flight controllers which are the central electronic processing units with a number of fixed purpose ports for power, instruments, power electronics respectively, they have a vast array of sensing instruments onboard like accelerometers (tilt, orientation & axial acceleration), gyroscopes (for rotation vectors and motion vectors), GPS or Global Positioning Systems (for geographic position coordinates), compass (for directional orientation) and so much more. Commercially available flight controllers have some or all of the above components depending on their complexity and use. The flight controller draws data from all of these instruments and couples it with the input from the pilot to facilitate the desired flight using its complex algorithms and programmed settings.

     It is therefore very crucial for an enthusiast or a hobbyist to understand which flight controller must be chosen for the multi-rotor based on its purpose, use cases, desired flight characteristics and the set of instruments that may be added. This is important because there are many different types of flight controllers that are available in the market with the same purpose to control the flight of the drone but differ in a lot of aspects like the number of I/O (Input/ Output) ports, software algorithms, and setup, weight, shape, and complexity.

     Purposes ranging from free-flying, photography, racing, heavy lift transport, automated flying to acrobatics, each have their own requirements like responsiveness, signal lag, digital encoding, charge dissipation, weight, processing power and so much more, all of which are characteristics of these flight controller boards which are built based on their purpose.

     This article will separate all the flight controller boards based on common characteristics and purpose with use cases for each. Here, they shall be divided into classes as Class I, Class II and Class III with their description, properties, purpose, and examples. It is therefore recommended to carefully read through all the properties of each class before opting for any of the commercially available boards for a multi-rotor. Following is a brief description of the same as explained earlier:

Class I:   Beginners and Casual Flying

     Class I flight controllers are designed for people who are new to the multi-rotor platform designing and flying. They are generally pre-programmed for basic flight and simple functions that beginners get to use out-of-the-box without going through a complex set-up and tuning process but these boards do give a choice to do so if required. They are usually on the lower side on technical complexity with sensors and instruments on the bare minimum which is needed for a simple flight like just and an accelerometer and a gyroscope. With no additional ports to attach advanced sensor extensions and positioning tools, these boards are designed for casual flying and learning purposes.      They are an excellent platform for new pilots to dip their hands-on drone flying and control with a sense of understanding of different characteristics of electronic device properties in the air. They have basic tuning options that the beginners can modify on their own in order to get desired flight characteristics if needed. It is important to note that they have a basic software user interface with little to less scope for heave modification and the developer community behind this class is not a significant one. It is a board designed with a plug-and-play mechanism to give a smooth and stable flying experience to learners with ease.

Following are some of their important characteristics:

  1. Basic Input and Output ports.
  2. Designed for beginners and casual flyers.
  3. Low responsiveness.
  4. Limited on-board instruments.
  5. Low cost but decent performance.
  6. Simple and easy user interface.
  7. Limited scope for feature expansion.

Examples of flight controllers in this class are

     1. KK Board Series: KK2.0, KK2.1, KK2.1.5 

     Best board for beginners that has an LCD screen built-in for users to set-up and tune the board and the drone anywhere without the need for a computer. With a high performance to cost ratio this board is widely used for learning drone control and flight principles. These boards are easily available with very few and minor differences in subsequent versions. They do not have a developer community supporting them actively but the in-built software suite has an excellent graphic user interface which is easy, powerful and effective. The KK board series have low voltage needs i.e. 3.3-5 Volts and supports battery eliminating circuits too. It is one of the few boards which also supports camera gimbals that keep photography cameras on the drone stable mid-air.KK Multirotor Flight Controller Board

     2. Beta Flight: Open Pilot CC3D

     CC3D flight controllers are all types of stabilization hardware that run the Open Pilot firmware. They can be configured to fly any airframe from fixed-wing to an octocopter using the Open Pilot Ground Control Station (GCS) software. The board was remodeled with an improved gyroscope sensor. This revision is called the CC3D. This board, however, requires a lot of pre-configuration and is not recommended as it’s a counterpart, i.e. the KK boards offer much more advantage.Open Pilot CC3D

Class II:   Acrobatics and Racing

     Class II flight controllers are designed from ground up for agile multi-rotors which are built for racing and very fast flying, because of this they are very compact and ultra-light. The flight controllers in this class have a very specific purpose of being very fast data processors and with their high responsivity, they make for an excellent choice for drones that need to be light, powerful, aerodynamic and ultra-maneuverable. These flight controllers have a very elaborate software suite complimenting them which allows experienced multi-rotor pilots to configure the board and fine-tune very intricate parameters to achieve desired flight characteristics. These boards also come with a very sensitive array of sensors (more than Class I) which includes, accelerometer, gyroscope, temperature and voltage sensor, rotation vector sensor and much more. GPS module can be attached to these boards too.

Following are  some important characteristics of this class:

  1. Compact and Lightweight
  2. Faster in-built processor for agility.
  3. On-board software algorithms are tuned for high responsiveness.
  4. Have an external software suite for configuration with good developer community support.
  5. Easy connection-making process.
  6. Come with shock and crash-resistant circuit structures.

Examples of flight controllers in this class are:

     1. SP Racing F3 Flight Controller ACRO Version

     The SP Racing F3 Flight Controller is designed to give a flight performance based on a very accurate set of sensors and also providing unparalleled I/O capabilities in a small and extremely lightweight form-factor using a next-generation CPU which supports a high bit rate and input signal processing. There are several great features in this board starting with a trusted STM32 F3 processing unit with integrated hardware-based floating-point units for precise flight calculations and faster ARM-Cortex M4 cores SOC. It black box flight log recorder that will help you optimize your tuning by comparing the current with previous values.  Some more great features are the additional built-in sensors with the barometer mounted on the bottom of the board for easy wind isolation and automated control. Dedicated output for programmable LEDs – great for orientation, racing and night flying. The vast number of  I/O supports several features at one go.SP Racing F3 Flight Controller ACRO Version

     2. Naze32 6DOF Flight Control Board

     Designed for serious and experience multi-copter racers and extreme freestyle flyers, the Afro Flight designed Naze32 flight controller is the most used and supported flight controller today. With a 32bit ST microprocessor and a host of equally impressive sensors, this Rev6 Acro version comes with 16mbit memory and the BMP280 barometer. This board also comes with angled header pins and is configurable with base flight / Cleanflight via the onboard USB connector.Naze32 6DOF Flight Control board

Class III:   Advanced Flying

     Advanced class flight controllers are designed to be the absolute best at being the all-rounder solution to any multi-rotor flight purpose with having highly advanced microprocessors, specialized I/O ports for massive expansion options with additional sensors, GPS, self-made electronics, additional control boards, custom electronics and so much more. These boards have the best in class software suites that enable them to be customized and configured to the highest degree with ease.

     They have a great developer community support and thee boards are the best for unconventional flying purposes like automated flying and bring countless and highly advanced features that simply awestruck many pilots to this day. With an extremely high performance to cost ratio, these flight controller boards are the best choice to make for any purpose as they can be customized with already tried and tested configuration to be the absolute best at any use case.

     Due to this versatility of these boards, they are used widely for many purposes in research work, remote sensing purposes, in transport and delivery drones, photography and security purposes. Enthusiasts and hobbyists can even experiment with their self-made sensors and other electronics on them because of their advances general-purpose input and output ports.

Following are their common characteristics:

  1. Most advanced electronics onboard.
  2. A vast array of precision built-in sensors.
  3. Option for massive expansion via I/O ports.
  4. Low price and high performance.
  5. Excellent software suite and support.
  6. Lightweight with great computational power.
  7. Best for all pilots overall.

Examples of flight controllers in this class are:

     1. APM Flight Controller Series:

      APM 2.8 Multicopter Flight Controller is an overhauled rendition of 2.5; 2.6 with a Built-in Compass for FPV RC Drone Aircraft is the new APM (Ardupilot Mega) 2.8, flight controller. The sensors are actually equivalent to the APM 2.6 flight controller, be that as it may, this has the alternative to utilize the inherent compass or an outer compass by means of a jumper. This makes the APM 2.8 perfect for use with multi-copters and wanderers. The APM 2.8 Multicopter Flight Controller is a finished open-source autopilot framework and the top of the line innovation that won the esteemed Outback Challenge UAV rivalry.

      It enables the client to turn any fixed, revolving wing or multirotor vehicle (even autos and vessels) into a completely self-ruling vehicle; equipped for performing customized GPS missions with waypoints. This correction of the board has a discretionary installed compass, which is intended for vehicles (particularly multi-copters and meanderers) where the compass ought to be set as a long way from power and engine sources as conceivable to stay away from the attractive obstruction. (On the fixed-wing flying machine it's regularly simpler to mount APM far enough away from the engines and ESCs to dodge attractive impedance, so this isn't as basic, yet APM 2.8 gives greater adaptability in that situating and is a decent decision for them, as well). This is intended to be utilized with the 3DR uBlox GPS with Compass so the GPS/Compass unit can be mounted further from commotion sources than APM itself.APM Flight Controller Series

These are the different flight controllers available in the market. With the help of these flight controllers, the making of a drone has become much easier. Hope this helps. Also, be on the lookout for new blogs related to drones/quadcopters in this section.


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