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Robu.in | Indian Online Store | RC Hobby | Robotics
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  • SmartElex
    • SmartElex Development Boards
    • SmartElex Modules
      • SmartElex Relay Modules
      • SmartElex IOT & Wireless Modules
    • SmartElex Motor Drivers
      • SmartElex Motor Drivers
      • SmartElex Smart Motor Drivers
  • Electronic Components
    • Resistors
    • Capacitors
    • Inductors
    • Diodes
    • Crystal , Oscillators
    • Power Transistors
    • Component Kit
    • Semiconductor ICs
      • Microcontroller IC
      • Interface ICs
      • Clock & Timing IC
      • Sensor ICs
      • Optocoupler ICs
      • ADC & DAC Converter IC
      • Comparator ICs
      • Motor and Display Driver ICs
      • Audio Amplifier ICs
      • IC Base
    • LEDs and Panel Indicator Lights
      • LED Diode Kit
      • Panel Indicator Lights
      • LEDs with Multi Hole Holders
      • Through Hole DIP LEDs
      • SMD LED
    • Miscellaneous Component
      • Potentiometer & Trimmers
      • Fuse Kits
      • Buzzer/Speaker
      • Aluminium Heat Sink
      • Bread Board and Zero PCB
    • PCT Wire Connectors
    • RF Connectors
    • Interface Connector
    • FFC, FPC, Berg connectors
  • DIY Learning and Robot Kits
    • Orange Premium Learning Kits
      • Orange Kits for Arduinos
      • Orange Kits for Raspberry Pi
      • Orange Electronic Component Kits
      • Orange Electronic Hobby 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 Nuts and Accessories
    • Drone Transmitter & Receiver
    • Antennas
    • FPV Cameras
    • FPV Antennas and Trans-Receivers
    • Accessories
    • Camera Gimbal
  • Electric Vehicle Parts
    • E-Bike Parts
      • E-Bike Motors
      • E-Bike Controllers
      • HMI Display for E-Bikes
      • E-Bike Mechanical Accessories
      • E-Bike Electronics Accessories
      • E-Bike Batteries and Case
        • Ebike Battery
      • Ebike Kit
    • E-Rikshaw Parts
      • E-Rikshaw Motors
      • E-Rikshaw Controllers
    • E-Mini Tricycle Parts
      • E-mini Tricycle Motors
      • E-mini Tricycle Controllers
    • E-Wheelchair Parts
      • E-Wheelchair Motors
      • E-Wheelchair Controllers
    • E-Forklift Parts
      • E-forklift Motors
      • E-forklift Controllers
    • E-Gokarts Parts
      • E-GOKARTS Motors
      • E-GOKARTS Controllers
  • Laser Engraver and CNC Machines
    • Atomstack Laser Engraver
    • Two Trees Laser Engraver
    • Creality Laser Engraver
    • CNC Engraver Machines
  • 3D Printers and Parts
    • 3D Printer Filaments & Resins
      • eSun Resins
      • ESUN Filaments
      • Numakers Filaments
      • FlashForge Filaments
      • Creality Filaments
      • Sovol Filaments
      • ORANGE Premium Filaments
    • Prusa 3D Printers and Parts
    • Elegoo 3D Printers and Parts
    • Creality 3D Printers and Parts
    • BIQU 3D Printers and Parts
    • Bambu Lab 3D Printers
    • FlashForge 3D Printers
    • Goofoo 3D printer
    • Sovol 3D Printers
    • Other 3D Printers
    • 3D Printing Pen
    • Electronics Parts
      • 3D Printer Display and Controllers
      • 3D Printer Extruder Kit
      • 3D Printer Extruder Parts and Fans
      • Stepper Motors
      • 3D Printer Display and Controller
      • Limit Switch
    • Mechnical Parts
      • 3D Printer Heatbed Assembly
      • 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
  • Batteries, Chargers and Accessories
    • Custom Battery Pack
    • 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 Li-Ion Battery (3.6V~4.2V)
      • 2 Cell Li-Ion Battery (7.4V~8.4V)
      • 12V Li-Ion Battery (11.1V~12.6V)
      • 15V Li-Ion Battery (14.8V~16.8V)
      • 18V Li-Ion Battery (18.5V)
      • 24V Li-Ion Battery (22.2V~25.2V)
      • 36V Li-Ion Battery (36V~42V)
      • 48V Li-Ion Battery (46.8V~54.6V)
    • Orange Prismatic 1 cell (3.2V~3.6V) Battery
    • Other Batteries
      • 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
    • DC Planetary Gear Motors
      • Orange High Torque Planetary Gears Motors
      • Orange Planetary Geared BLDC Motors
      • Cytron DC Planetary Geared Motors
    • Brushed DC Motor
      • Orange 12V Johnson Geared Motor
      • Johnson Geared Motor (Grade B)
      • DC Motor with Encoder
      • 25 GA Motors
      • Orange 12V OG 555 DC Gear Motor
      • RS 50 Geared Motor
      • Orange RS775 High RPM Base Motor
      • Orange PM33 Motor
      • Orange 12V Square Gear Box Motor
      • Orange 12V Rectangular Gearbox Motor
    • Other DC Motors
      • BO Motors
      • 12V DC Centre Shaft Metal Gear Motor
      • Plastic Gear Box Motors
      • Vibratory Motors
      • Drone Motor
    • Motor Drivers
      • Brushed DC Motor Driver
      • Servo Motor Drivers
      • Stepper Motor Drivers
      • Brushless DC Motor Driver (ESC)
    • Micro Metal Geared Motors
      • Micro Gear Motor with Encoder
      • Micro Gear Motor without Encoder
    • Stepper Motor
    • Motor Accessories
      • Motor Mounting Brackets
      • Bearings
      • Couplings
    • RC Servo Motors
      • Orange RC Servo Motors
      • Emax Servo Motor
      • Hitec Servo Motors
      • TowerPro and Other Servo Motors
      • JR Servo Cable
      • Futaba Servo Cable
      • Pull and Push Rod for Servo
      • Other Servo Accessories
    • Mini Pumps and Accessories
      • Kamoer Peristaltic Pump
      • Generic Mini Pumps
      • Pneumatic Connectors and Valves
    • Cooling Fans
    • Linear Actuators
    • Solenoids & Electromagnets
  • Development Board
    • Single Board Computer
      • Seeed Studio SBC
      • Khadas SBC
      • ODROID SBC
      • BBC MicroBit Board
      • Chipsee Mini PC
      • LATTEPANDA Boards
      • AAEON SBC
      • Intel SBC
    • Raspberry Pi
      • Official Boards and Hats
      • Official Raspberry Pi Accessories
      • Kits
      • Raspberry Pi Hats
      • Raspberry Pi Case
      • Display
      • Camera
      • Accessories
    • Official Arduino Boards
      • Original Arduino Boards
      • Official Arduino Shields
      • Official Arduino Kits
    • 8051 Development Board
    • Teensy Board
    • Udoo Board
    • ARM Microcontroller
    • PIC Development board
    • PIC Programmer
    • Advance Development Boards
    • Compatible with Arduino Boards
      • Boards
      • Shields
      • Cables for Arduino
      • Displays
      • Case for Arduino
  • Raspberry Pi
    • Official Raspberry Pi Kits
    • Official Raspberry Pi Accessories
  • Official Arduino Boards
    • Original Arduino Boards
    • Official Arduino Shields
    • Official Arduino Kits
  • Display modules
    • HMI LCD Display
    • TFT LCD Displays
    • OLED Display
    • e-Ink Paper Display
    • Seven Segment Display
    • LED Dot Matrix Display
  • Sensors Modules
    • Sensor Kits
    • Ultrasonic and Proximity
      • MAXBOTIX Ultrasonic Sonar
      • Ultrasonic Sensors and Modules
      • 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 Sensor
    • Load, Pressure, Flow & Vibration
      • Water TDS, pH, Flow, Level Sensor
      • Vibration/Tilt Sensor and Modules
      • Load Sensor
  • Cameras
    • IoT Cameras
    • FPV Cameras
    • Smart Vision Camera
    • Thermal Cameras
    • Raspberry Pi Camera
  • IoT and Wireless
    • Ai Thinker ESP Modules
    • Other ESP WIFI Modules
    • IoT Development Boards
    • xBee Zigbee Module
    • LORA Module
    • Bluetooth and NRF Modules
    • GSM GPRS and GNSS Modules
    • Transmitter and Receivers
    • IoT WIFI Smart Switches
  • Electronic Modules
    • Programming Module
    • Memory Interfacing
    • Communication Module
    • Bluetooth Interfacing
    • Ethernet Module
    • USB Interface Module
    • LED Module
    • LASER Module
    • RGB LED Strips and Drivers
    • Breakout Board
    • Relay Modules
    • Electronic Switches/Keypads Modules
    • Solar Panels and Controllers
    • Wearable Electronic
    • Real Time Module (RTC)
    • Audio Amplifier Module
    • Logic Level Converter
    • Buck Boost Voltage Regulators
      • Boost Converter (Step-Up )
      • Buck Converter (Step-Down)
    • Measuring Instruments
      • Digital Multimeters and Clampmeter
      • Temperature Meter
      • Digital Voltage, Current and Frequency Meter
      • Signal Generator Module & Oscilloscopes
      • Other Measuring Instrument
    • Power Supply
      • Transformers
      • Switch Mode Power Supply
      • Hi-Link Power Supply Module
    • Display modules
  • 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 and USB 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 Parts and Workbench Tools
    • Mechanical Robotic Parts
      • Robot Chassis
      • Aluminum Extrusion and Accessories
      • Smooth Rods
      • Lead Screw
      • Linear Rail Guides
      • Couplings
      • Bearings
      • Motor Mounting Brackets
      • Gears
    • Robot Wheels
      • Omni Wheels
      • Heavy Duty Wheel
      • Mecanum Wheels
      • 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
  • Refurbished & Partial Working
    • Refurbished
    • Partial Working
  • SmartElex Environmental Sensors
  • SmartElex Line Tracing Sensors
  • SmartElex Temperature Sensors
  • SmartElex Humidity Sensors
  • SmartElex Weather Sensors
  • SmartElex Pressure Sensors
  • SmartElex Magnetometer Sensors
  • SmartElex Sound Sensors
1 ₹ 205.00
All Categories
  • Shop by Brands
  • New Arrivals
  • SmartElex
    • SmartElex Development Boards
    • SmartElex Modules
      • SmartElex Relay Modules
      • SmartElex IOT & Wireless Modules
    • SmartElex Motor Drivers
      • SmartElex Motor Drivers
      • SmartElex Smart Motor Drivers
  • Electronic Components
    • Resistors
    • Capacitors
    • Inductors
    • Diodes
    • Crystal , Oscillators
    • Power Transistors
    • Component Kit
    • Semiconductor ICs
      • Microcontroller IC
      • Interface ICs
      • Clock & Timing IC
      • Sensor ICs
      • Optocoupler ICs
      • ADC & DAC Converter IC
      • Comparator ICs
      • Motor and Display Driver ICs
      • Audio Amplifier ICs
      • IC Base
    • LEDs and Panel Indicator Lights
      • LED Diode Kit
      • Panel Indicator Lights
      • LEDs with Multi Hole Holders
      • Through Hole DIP LEDs
      • SMD LED
    • Miscellaneous Component
      • Potentiometer & Trimmers
      • Fuse Kits
      • Buzzer/Speaker
      • Aluminium Heat Sink
      • Bread Board and Zero PCB
    • PCT Wire Connectors
    • RF Connectors
    • Interface Connector
    • FFC, FPC, Berg connectors
  • DIY Learning and Robot Kits
    • Orange Premium Learning Kits
      • Orange Kits for Arduinos
      • Orange Kits for Raspberry Pi
      • Orange Electronic Component Kits
      • Orange Electronic Hobby 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 Nuts and Accessories
    • Drone Transmitter & Receiver
    • Antennas
    • FPV Cameras
    • FPV Antennas and Trans-Receivers
    • Accessories
    • Camera Gimbal
  • Electric Vehicle Parts
    • E-Bike Parts
      • E-Bike Motors
      • E-Bike Controllers
      • HMI Display for E-Bikes
      • E-Bike Mechanical Accessories
      • E-Bike Electronics Accessories
      • E-Bike Batteries and Case
        • Ebike Battery
      • Ebike Kit
    • E-Rikshaw Parts
      • E-Rikshaw Motors
      • E-Rikshaw Controllers
    • E-Mini Tricycle Parts
      • E-mini Tricycle Motors
      • E-mini Tricycle Controllers
    • E-Wheelchair Parts
      • E-Wheelchair Motors
      • E-Wheelchair Controllers
    • E-Forklift Parts
      • E-forklift Motors
      • E-forklift Controllers
    • E-Gokarts Parts
      • E-GOKARTS Motors
      • E-GOKARTS Controllers
  • Laser Engraver and CNC Machines
    • Atomstack Laser Engraver
    • Two Trees Laser Engraver
    • Creality Laser Engraver
    • CNC Engraver Machines
  • 3D Printers and Parts
    • 3D Printer Filaments & Resins
      • eSun Resins
      • ESUN Filaments
      • Numakers Filaments
      • FlashForge Filaments
      • Creality Filaments
      • Sovol Filaments
      • ORANGE Premium Filaments
    • Prusa 3D Printers and Parts
    • Elegoo 3D Printers and Parts
    • Creality 3D Printers and Parts
    • BIQU 3D Printers and Parts
    • Bambu Lab 3D Printers
    • FlashForge 3D Printers
    • Goofoo 3D printer
    • Sovol 3D Printers
    • Other 3D Printers
    • 3D Printing Pen
    • Electronics Parts
      • 3D Printer Display and Controllers
      • 3D Printer Extruder Kit
      • 3D Printer Extruder Parts and Fans
      • Stepper Motors
      • 3D Printer Display and Controller
      • Limit Switch
    • Mechnical Parts
      • 3D Printer Heatbed Assembly
      • 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
  • Batteries, Chargers and Accessories
    • Custom Battery Pack
    • 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 Li-Ion Battery (3.6V~4.2V)
      • 2 Cell Li-Ion Battery (7.4V~8.4V)
      • 12V Li-Ion Battery (11.1V~12.6V)
      • 15V Li-Ion Battery (14.8V~16.8V)
      • 18V Li-Ion Battery (18.5V)
      • 24V Li-Ion Battery (22.2V~25.2V)
      • 36V Li-Ion Battery (36V~42V)
      • 48V Li-Ion Battery (46.8V~54.6V)
    • Orange Prismatic 1 cell (3.2V~3.6V) Battery
    • Other Batteries
      • 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
    • DC Planetary Gear Motors
      • Orange High Torque Planetary Gears Motors
      • Orange Planetary Geared BLDC Motors
      • Cytron DC Planetary Geared Motors
    • Brushed DC Motor
      • Orange 12V Johnson Geared Motor
      • Johnson Geared Motor (Grade B)
      • DC Motor with Encoder
      • 25 GA Motors
      • Orange 12V OG 555 DC Gear Motor
      • RS 50 Geared Motor
      • Orange RS775 High RPM Base Motor
      • Orange PM33 Motor
      • Orange 12V Square Gear Box Motor
      • Orange 12V Rectangular Gearbox Motor
    • Other DC Motors
      • BO Motors
      • 12V DC Centre Shaft Metal Gear Motor
      • Plastic Gear Box Motors
      • Vibratory Motors
      • Drone Motor
    • Motor Drivers
      • Brushed DC Motor Driver
      • Servo Motor Drivers
      • Stepper Motor Drivers
      • Brushless DC Motor Driver (ESC)
    • Micro Metal Geared Motors
      • Micro Gear Motor with Encoder
      • Micro Gear Motor without Encoder
    • Stepper Motor
    • Motor Accessories
      • Motor Mounting Brackets
      • Bearings
      • Couplings
    • RC Servo Motors
      • Orange RC Servo Motors
      • Emax Servo Motor
      • Hitec Servo Motors
      • TowerPro and Other Servo Motors
      • JR Servo Cable
      • Futaba Servo Cable
      • Pull and Push Rod for Servo
      • Other Servo Accessories
    • Mini Pumps and Accessories
      • Kamoer Peristaltic Pump
      • Generic Mini Pumps
      • Pneumatic Connectors and Valves
    • Cooling Fans
    • Linear Actuators
    • Solenoids & Electromagnets
  • Development Board
    • Single Board Computer
      • Seeed Studio SBC
      • Khadas SBC
      • ODROID SBC
      • BBC MicroBit Board
      • Chipsee Mini PC
      • LATTEPANDA Boards
      • AAEON SBC
      • Intel SBC
    • Raspberry Pi
      • Official Boards and Hats
      • Official Raspberry Pi Accessories
      • Kits
      • Raspberry Pi Hats
      • Raspberry Pi Case
      • Display
      • Camera
      • Accessories
    • Official Arduino Boards
      • Original Arduino Boards
      • Official Arduino Shields
      • Official Arduino Kits
    • 8051 Development Board
    • Teensy Board
    • Udoo Board
    • ARM Microcontroller
    • PIC Development board
    • PIC Programmer
    • Advance Development Boards
    • Compatible with Arduino Boards
      • Boards
      • Shields
      • Cables for Arduino
      • Displays
      • Case for Arduino
  • Raspberry Pi
    • Official Raspberry Pi Kits
    • Official Raspberry Pi Accessories
  • Official Arduino Boards
    • Original Arduino Boards
    • Official Arduino Shields
    • Official Arduino Kits
  • Display modules
    • HMI LCD Display
    • TFT LCD Displays
    • OLED Display
    • e-Ink Paper Display
    • Seven Segment Display
    • LED Dot Matrix Display
  • Sensors Modules
    • Sensor Kits
    • Ultrasonic and Proximity
      • MAXBOTIX Ultrasonic Sonar
      • Ultrasonic Sensors and Modules
      • 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 Sensor
    • Load, Pressure, Flow & Vibration
      • Water TDS, pH, Flow, Level Sensor
      • Vibration/Tilt Sensor and Modules
      • Load Sensor
  • Cameras
    • IoT Cameras
    • FPV Cameras
    • Smart Vision Camera
    • Thermal Cameras
    • Raspberry Pi Camera
  • IoT and Wireless
    • Ai Thinker ESP Modules
    • Other ESP WIFI Modules
    • IoT Development Boards
    • xBee Zigbee Module
    • LORA Module
    • Bluetooth and NRF Modules
    • GSM GPRS and GNSS Modules
    • Transmitter and Receivers
    • IoT WIFI Smart Switches
  • Electronic Modules
    • Programming Module
    • Memory Interfacing
    • Communication Module
    • Bluetooth Interfacing
    • Ethernet Module
    • USB Interface Module
    • LED Module
    • LASER Module
    • RGB LED Strips and Drivers
    • Breakout Board
    • Relay Modules
    • Electronic Switches/Keypads Modules
    • Solar Panels and Controllers
    • Wearable Electronic
    • Real Time Module (RTC)
    • Audio Amplifier Module
    • Logic Level Converter
    • Buck Boost Voltage Regulators
      • Boost Converter (Step-Up )
      • Buck Converter (Step-Down)
    • Measuring Instruments
      • Digital Multimeters and Clampmeter
      • Temperature Meter
      • Digital Voltage, Current and Frequency Meter
      • Signal Generator Module & Oscilloscopes
      • Other Measuring Instrument
    • Power Supply
      • Transformers
      • Switch Mode Power Supply
      • Hi-Link Power Supply Module
    • Display modules
  • 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 and USB 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 Parts and Workbench Tools
    • Mechanical Robotic Parts
      • Robot Chassis
      • Aluminum Extrusion and Accessories
      • Smooth Rods
      • Lead Screw
      • Linear Rail Guides
      • Couplings
      • Bearings
      • Motor Mounting Brackets
      • Gears
    • Robot Wheels
      • Omni Wheels
      • Heavy Duty Wheel
      • Mecanum Wheels
      • 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
  • Refurbished & Partial Working
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HomeBlogsDIY Weighing Machine

DIY Weighing Machine

Blogs, Sensors, Tutorials  0  comments  3027 Views  Saturday, May 1, 2021











What if you don’t need to pay some amount to weigh scale? You can make it on your home with a few sensors and boards. This tutorial is about building a homemade weighing machine using Arduino and load cell.

Weighning Machine Tb

You may be aware of the weighing machine. While measuring the weight for the specific product, you take the help of this machine. It is easily available at stores. What if you make it at your home as most of the weighing machine uses a load cell to measure the weight. We will learn the interfacing of the load cell with an Arduino and calibrate the weight according to the setup we made. In addition, we will also learn how to show the measured data on a 16×2 LCD screen.

In the end, you will learn how to build a weighing machine implementing a load cell and as a weight sensor.

What is a Weighing Machine:

The weighing scale is a device used to measure mass or weight. It works with the help of a strain gauge sensor which is the load cell.

What does the Weighing Machine Measure?

The answer is force! And the way it is designed. It provides us with the human weight in newtons. But, normally, it will show you the weight in kilograms. While learning how it works, we can divide it into two parts: The sensing part and the processing part.

The sensing: This part contains a collection of sensors measuring the weight and converting it into electrical form for processing. The sensor used in the measurement is called a load cell.

Processing part: In the other parts, the data (Force) is received from the sensor and processed into a form that relevantly shows us the body's weight.

The transducers (Load Cell) generate an electrical signal amplified using a high-quality signal amplifier suitable in the subsequent sections in the device.

After amplification of the analog signal is taken out by the processing part, it converts into a digital form with the help of a precision analog to digital converter. It will then display on the digital readout.

What You Will Learn?

  • What load cell is and how it works
  • Interfacing of loadcell with Arduino
  • Build a digital scale with Arduino
  • Use a load cell as a force gauge

Components Required

While building this project, we will need the following components:

Arduino with cable Add to Cart
Load cell Add to Cart
Hx711 Amplifier Add to Cart
LCD module Add to Cart
Jumper wire Add to Cart
Push-button Add to Cart
Breadboard Add to Cart

What is Load Cell?

Before going further, let's understand the simple concept behind load cell and how it works:

The load cell is a sensor or transducer which converts force into measurable electric signals. When you applied a force to the load cell, it converts its inner resistance/frequency to a micro-level electrical signal; later, you can amplify the signal with the help of the Hx711 amplifier. The signals can be varying voltage, varying current, or carrying frequency. You will find many types of load cell found in the market; we will see the two basic types of load cell:

Capacitive Load Cell :

It works on the principle of Change of capacitance which is the ability of a system to hold a certain amount of charge when a voltage is applied to it. In parallel plate capacitors, the capacitance is directly proportional to the dielectric between two plates and the overlap between the plates. It is inversely proportional to the gap between the plates.

Resistive Load Cell :

It works on the principle of Piezo-resistance, which states that when the force/ load is applied to the cell, it will change its resistance. Eventually, it leads to a change in output voltage.

A load cell consists of a metal core and a group of electrical resistances that transform when a force is applied to it. It comes to its original place after removing the force. The electrical circuit of a load cell is as follows:

It has four wires as an output:

  • Red: for excitation +
  • Black: for excitation -
  • White: for output +
  • Green: for output -

What is Hx711?

HX711 is an analog to digital converter IC(ADC), especially used with a load cell. By connecting this IC to a microcontroller, you can read the resistance changes in the load cell. It also contains an on-chip low noise programmable amplifier with a gain of 32, 64, and 128.

It is used for amplifying the digital signal and provide it to the microcontroller circuit. It also comes with an oscillator circuit and a regulated power supply. It also has other useful features which lead to fast response time and strong anti-interference.

If you want to read a detailed description of the load cell, you can get its datasheet by clicking the link below:

HX711 datasheet

Connection of Load Cell With Arduino

The load cell can be connected to the Arduino through Hx711. Find the connection diagram below:

Load cellHx711Hx711Arduino
Red E+VCC5v
BlackE-DT12
White A-CLK11
GreenA+GNDGND

Setup of the load cell

To measure the weight using a load cell, we have to attach some wooden or fiber plate on the cell to put a load. The load cell is already designed to screw a nut to fix it with the wooden/fiber plate.

Interfacing of the 16x02 LCD

To display the weight on LCD, we have to connect 16×02 LCD with an Arduino. We have to make the following connections:

Arduino16x02 LCD
GNDVss
VCCVCC
-VEE-
It will be connected to a 10K pot
12RS
GNDRW
11EN
10DB4
9DB5
8DB6
7DB7
VCCLED+
GNDLED-

Connection Diagram of Circuit

The final interfacing connection diagram will be like this:

Programming of Load Cell

  • Our first step will be downloading Arduino IDE Software.
  • Now open the Arduino IDE and use the below code.
  • But before that, you need to install the Hx711 library for Arduino. You can download the library from here.
/*
 * Load Cell HX711 Module Interface with Arduino to measure weight in Kgs
 Arduino 
 pin 
 2 -> HX711 CLK
 3 -> DOUT
 5V -> VCC
 GND -> GND

 Almost any pin on the Arduino Uno will be compatible with DOUT/CLK.
 The HX711 board can be powered from 2.7V to 5V, so the Arduino 5V power should be fine.
*/

#include "HX711.h"  //You must have this library in your Arduino library folder

#define DOUT  3
#define CLK  2

HX711 scale;
//Change this calibration factor as per your load cell. Once it is found, you may need to vary it in thousands
float calibration_factor = -116650.00;  

// include the library code:
#include <LiquidCrystal.h>

// initialize the library by associating any needed LCD interface pin
// with the arduino pin number it is connected to
const int rs = 12, en = 11, d4 = 10, d5 = 9, d6 = 8, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);


//=============================================================================================
//                         SETUP
//=============================================================================================
void setup() {
  lcd.begin(16, 2);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("DIY WEIGHING");
  lcd.setCursor(1,4);
  lcd.print("MACHINE"); 
  delay(2000); 
  lcd.clear();
  Serial.begin(9600);
  scale.begin(DOUT, CLK);
  Serial.println("HX711 Calibration");
  Serial.println("Remove all weight from scale");
  Serial.println("After readings begin, place known weight on scale");
  Serial.println("Press a,s,d,f to increase calibration factor by 10,100,1000,10000 respectively");
  Serial.println("Press z,x,c,v to decrease calibration factor by 10,100,1000,10000 respectively");
  Serial.println("Press t for tare");
  scale.set_scale();
  scale.tare(); //Reset the scale to 0

  long zero_factor = scale.read_average(); //Get a baseline reading
  Serial.print("Zero factor: "); //This can be used to remove the need to tare the scale. Useful in permanent scale projects.
  Serial.println(zero_factor);
}

//=============================================================================================
//                         LOOP
//=============================================================================================
void loop() {

  scale.set_scale(calibration_factor); //Adjust to this calibration factor

  Serial.print("Reading: ");
  Serial.print(scale.get_units(), 3);
  Serial.print(" kg"); //Change this to kg and re-adjust the calibration factor if you follow SI units like a sane person
  Serial.print(" calibration_factor: ");
  Serial.print(calibration_factor);
  Serial.println();
  lcd.setCursor(0,0);
  lcd.print("Weight: ");
  lcd.setCursor(10,0);
  lcd.print(scale.get_units(), 3);  
  lcd.setCursor(14,0); 
  lcd.print("Kg");

  if(Serial.available())
  {
    char temp = Serial.read();
    if(temp == '+' || temp == 'a')
      calibration_factor += 10;
    else if(temp == '-' || temp == 'z')
      calibration_factor -= 10;
    else if(temp == 's')
      calibration_factor += 100;  
    else if(temp == 'x')
      calibration_factor -= 100;  
    else if(temp == 'd')
      calibration_factor += 1000;  
    else if(temp == 'c')
      calibration_factor -= 1000;
    else if(temp == 'f')
      calibration_factor += 10000;  
    else if(temp == 'v')
      calibration_factor -= 10000;  
    else if(temp == 't')
      scale.tare();  //Reset the scale to zero
  }


}
//=============================================================================================

Output

Final Words

Thus with these simple steps, we have made our DIY weighing machine. I hope you enjoyed this tutorial. If you find any difficulty while designing it, please let us know in the comment section.



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