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Robu.in | Indian Online Store | RC Hobby | Robotics
  • Shop by Brands
  • New Arrivals
  • SimpliFly
    • SimpliFly Agriculture Drone
    • Simplifly FPV Drone Kit
    • SimpliFly ESCs
    • Simplifly Telemetry
  • SmartElex
    • SmartElex Programmer Modules
    • SmartElex Relay Modules
    • SmartElex Display Modules
      • SmartElex HMI Display
      • SmartElex TFT Display
    • SmartElex Power Modules
      • SmartElex Battery Charger Modules
      • SmartElex Boost + Charger Modules
      • SmartElex Boost Converter Modules
      • SmartElex Buck Converter Module
      • SmartElex Buck+Boost Modules
      • SmartElex Solar Charger Modules
    • SmartElex IOT and Wireless
      • SmartElex Bluetooth Modules
      • SmartElex WiFi and Bluetooth module
      • SmartElex GPS Modules
      • SmartElex GPRS Modules
      • SmartElex LORA + WAN Breakout Board
      • SmartElex WiFi Modules
      • SmartElex ZIGBEE Modules
    • SmartElex Logic Level Converter Modules
      • SmartElex Level Shifter Modules
      • SmartElex Multiplexer Modules
      • SmartElex Shift Resister Modules
    • SmartElex Sensor Modules
      • SmartElex Environmental Sensors
      • SmartElex Weather Sensors
      • SmartElex Pressure Sensors
      • SmartElex Temperature Sensors
      • SmartElex Humidity Sensors
      • SmartElex Magnetometer Sensors
      • SmartElex Line Tracking Sensors
      • SmartElex Sound Sensors
    • SmartElex Motor Drivers
      • SmartElex DC Motor Drivers
      • SmartElex Smart Motor Drivers
    • SmartElex Programmer Modules
    • SmartElex Connector Modules
    • SmartElex Development Board
  • Electronic Components
    • Integrated Circuits
      • Microcontroller IC
        • ARM Microcontrollers IC
        • 8-bit Microcontrollers IC
        • 16-bit Microcontrollers IC
        • 32-bit Microcontrollers IC
      • Optocoupler ICs
      • Buffers & Transceivers IC
      • Drivers & Interfaces IC
      • Frequency Management IC
      • Amplifier & Comparator IC
      • MOSFET ICs
      • Sensor ICs
      • Audio IC
      • Memory IC
      • Mux & Demux IC
      • Power management IC
      • Linear voltage regulator IC
      • Clock & Timing IC
      • Switching IC
      • ADC & DAC Converter IC
      • Bluetooth, WIFI and Trans-receiver ICs
      • IC Base
    • Resistors
      • Ceramic Resistors
      • Carbon Resistors
      • Current Sense Resistors
      • Film Resistors
      • High Frequency/RF Resistors
      • Metal Foil Resistors
      • MELF Resistors
      • Thermistor
      • Chassis Mount Resistors
    • Capacitors
      • Ceramic Capacitors
        • Disc Capacitor
        • SLCCs- Single Layer Ceramic Capacitors
        • MLCCs- Multi Layer Ceramic Capacitors
      • Aluminium Electrolytic Capacitors
      • Super Capacitors
      • Film Capacitors
      • Tantalum Capacitors
      • Mica Capacitors
      • Noise Suppression & Safety Capacitors
      • Polymer Capacitors
      • Silicon RF Capacitors
      • Capacitors Kit
    • Inductors
      • Power Inductors
      • RF Inductor
      • Air Core Inductors
      • Coupled Inductors
      • Fixed Value Inductors
      • High Frequency Inductors
      • Multilayer Inductors
      • Thin Film Inductors
      • Charging Coils & Arrays
      • Toroidal Inductors
      • Wirewound Inductors
    • Diodes Kit
    • Crystal , Oscillators
    • Component Kit
    • Panel Indicators & LEDs
      • 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 & Maker Kits
    • Pro-Range DIY Project Kits
      • Pro-Range Kits for Arduinos
      • Raspberry Pi Kits
      • Pro-Range Electronic Component Kits
    • Humanoid and Biped Robot Kits
    • Educational Robot Kits and Accessories
    • Drone Kit
    • DIY 3D Printer Kits
    • E-bike Kit
    • Raspberry Pi Compatible 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 Antenna 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
        • E-bike Battery
      • E-bike 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
  • CNC Laser Engraver Machines
    • Atomstack Laser Engraver
    • Two Trees Laser Engraver
    • Creality Laser Engraver
    • CNC Metal Engraver Machine
  • 3D Printers and Parts
    • 3D Printer Filaments & Resins
      • 3D Printer Filaments
        • Pro-Range Filaments
        • eSUN Filaments
        • Numakers Filaments
        • FlashForge Filaments
        • Creality Filaments
        • Sovol Filaments
        • ORANGE Premium Filaments
        • AlmightyFila Filaments
      • 3D Printer Resins
        • eSUN Resins
        • Pro-Range Resins
        • Elegoo Resins
    • 3D Printers
      • Prusa 3D Printers and Parts
      • Elegoo 3D Printers and Parts
      • Anycubic 3D Printers
      • UniFormation 3D Printers
      • Two Trees 3D Printers
      • Phrozen 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
      • Nema Stepper Motors
      • 3D Printer Display and Controller
      • 3D Printer 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 Lithium Polymer (Lipo) Battery Pack
      • 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
    • Single Cell Micro LiPo Battery
    • Lithium-Ion Batteries
      • 1 Cell Li-Ion Battery Pack (3.6V~4.2V)
      • 2 Cell Li-Ion Battery Pack (7.4V~8.4V)
      • 3 Cell 12V Li-Ion Battery Pack (11.1V~12.6V)
      • 4 Cell 15V Li-Ion Battery Pack (14.8V~16.8V)
      • 5 ~ 7 Cell Li-Ion Battery Pack
      • 6 Cell 24V Li-Ion Battery Pack (22.2V~25.2V)
      • 10 Cell 36V Li-Ion Battery Pack (36V~42V)
      • 13 Cell 48V Li-Ion Battery Pack (46.8V~54.6V)
    • LiFePO4 (LFP) Prismatic Battery Cell
    • Other Batteries
      • Button Cell / Coin Cell Battery
      • CNC and PLC Machine Battery
    • Battery Accessories
      • Battery Protection Board
      • Battery Holders and Spacers
      • Multi-brand Battery Chargers
      • Battery Connectors
      • Battery Harness
      • Lipo Voltage Checker
      • Parallel Charging Board
      • Lipo Battery Sack, Straps and Case
  • Motors, Drivers, Actuators
    • DC Planetary Gear Motors
      • Pro-Range High Torque Planetary Gears Motors
      • Orange Planetary Geared BLDC Motors
      • Cytron DC Planetary Geared Motors
    • Brushed DC Motor
      • Pro-Range 12V Johnson Geared Motor
      • Johnson Geared Motor (Grade B)
      • DC Motor with Encoder
      • 25 GA Motors
      • Pro-Range 12V OG 555 DC Gear Motor
      • RS 50 Geared Motor
      • Pro-Range RS775 High RPM Base Motor
      • Orange PM33 Motor
      • Pro-Range 12V Square Gear Box Motor
      • Pro-Range 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
      • Linear Motion Bearings
      • Motor Couplings
    • RC Servo Motors
      • Pro-Range RC Servo Motors
      • Emax Servo Motor
      • Hitec Servo Motors
      • KST Servo Motors
      • Hiwonder Servo Motor and Accessories
      • TowerPro Servo Motors
      • JR Servo Cable
      • Futaba Servo Cable
      • Pull and Push Rod for Servo
      • Other Servo Accessories
    • DC Pumps and Accessories
      • Kamoer Peristaltic Pump
      • Generic Mini DC Pumps
      • Pneumatic Connectors and Valves
    • DC Cooling Fans
    • Linear Actuators
    • Solenoids & Electromagnets
  • Development Board
    • Multi-Brand Single Board Computer Board
      • Seeed Studio SBC
      • Khadas SBC
      • ODROID SBC
      • BBC MicroBit and Expansion Boards
      • Chipsee Mini PC
      • LATTEPANDA Boards
      • AAEON SBC
      • Asus-Intel SBC
      • POLYHEX SBC & Accessories
      • D-Robotics Single Board Computer
      • HACKBOARD Single Board Computer
      • FriendlyElec
      • Milk-V
      • MYir
      • NVIDIA SBC
      • Beagle Board
      • FORLINX SBC
      • Udoo Board
      • pine64 SBC
    • Raspberry Pi
    • Official Arduino Boards and Kits
      • Official Arduino Boards
      • Arduino Pro
      • Official Arduino Kits
    • 8051 Development Board
    • Teensy Board
    • Udoo Board
    • ARM Microcontroller Boards
    • PIC Development board
    • PIC Programmers and Debuggers
    • Advance Development Boards
    • Arduino Compatible Boards & Accessories
      • Boards
      • Shields
      • Cables for Arduino
      • Displays
      • Case for Arduino
  • Raspberry Pi
    • Raspberry Pi Boards, Compute Module & Microcontrollers
    • Raspberry Pi Compatible Accessories
    • Raspberry Pi Compatible Kits
    • Raspberry Pi Add on Boards (HAT)
    • Raspberry Pi Case
    • Raspberry Pi Cameras and Display
    • Raspberry Pi Peripherals
  • Official Arduino Boards and Kits
    • Official Arduino Boards
    • Arduino Pro
    • Official Arduino Kits
  • Displays
    • HMI LCD Display
    • TFT LCD Displays
    • OLED Display
    • e-Ink Paper Display
    • Segment Displays
    • LED Dot Matrix Display
  • Sensors Modules
    • Sensor Kits
    • Ultrasonic and Proximity
      • MAXBOTIX Ultrasonic Sensor
      • Ultrasonic Sensors and Modules
      • Pro-Range Proximity Sensors
      • Autonics Proximity Sensor
      • Multi Brand Proximity Sensor & Modules
      • LIDAR Sensors
      • Multi-Brand 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 and Modules
    • Biometric, Rotation, and Current
      • Biometric/ECG/EMG Sensor
      • Rotary Encoder
      • Current and Voltage Sensor
    • Load, Pressure, Flow & Vibration
      • Water pH, TDS Meter, Flow, Level Sensor
      • Vibration/Tilt Sensor and Modules
      • Load Sensor
  • Cameras
    • IoT Cameras
    • FPV Cameras
    • Smart Vision Camera
    • Thermal Cameras
  • IoT and Wireless Modules
    • Ai-Thinker Dev. Boards & 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 & Routers
  • 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)
    • Digital Measuring Devices
      • Digital Multimeters
      • Temperature Meter & Controllers
      • Digital Voltage, Current and Frequency Meter
      • Signal Generator Module & Oscilloscopes
      • Other Measuring Instruments and Tools
    • DC Power Supply
      • Transformers
      • AC to DC Power Supply Module
      • Hi-Link Power Supply Module (HLK)
    • Displays
  • Wires and Cables
    • PVC and Silicone Wires
      • 12 to 16 AWG
      • 18 to 22 AWG
      • 24 to 30 AWG
      • PVC Wire
    • Ribbon | FPC/FFC 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 Sleeve
    • Tools and Accessories
      • Wire Cutter / Stripper
      • Cable Zip Ties
      • Sleeves and Drag Chain
  • Mechanical Parts, Measurement & Workbench Tools
    • Mechanical Robotic Parts
      • Robot Chassis
      • Aluminum Extrusion and Accessories
      • Smooth Rods
      • Lead Screw
      • Linear Rail Guides
      • Motor Couplings
      • Linear Motion Bearings
      • Motor Mounting Brackets
      • Plastic 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, Washers 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
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All Categories
  • Shop by Brands
  • New Arrivals
  • SimpliFly
    • SimpliFly Agriculture Drone
    • Simplifly FPV Drone Kit
    • SimpliFly ESCs
    • Simplifly Telemetry
  • SmartElex
    • SmartElex Programmer Modules
    • SmartElex Relay Modules
    • SmartElex Display Modules
      • SmartElex HMI Display
      • SmartElex TFT Display
    • SmartElex Power Modules
      • SmartElex Battery Charger Modules
      • SmartElex Boost + Charger Modules
      • SmartElex Boost Converter Modules
      • SmartElex Buck Converter Module
      • SmartElex Buck+Boost Modules
      • SmartElex Solar Charger Modules
    • SmartElex IOT and Wireless
      • SmartElex Bluetooth Modules
      • SmartElex WiFi and Bluetooth module
      • SmartElex GPS Modules
      • SmartElex GPRS Modules
      • SmartElex LORA + WAN Breakout Board
      • SmartElex WiFi Modules
      • SmartElex ZIGBEE Modules
    • SmartElex Logic Level Converter Modules
      • SmartElex Level Shifter Modules
      • SmartElex Multiplexer Modules
      • SmartElex Shift Resister Modules
    • SmartElex Sensor Modules
      • SmartElex Environmental Sensors
      • SmartElex Weather Sensors
      • SmartElex Pressure Sensors
      • SmartElex Temperature Sensors
      • SmartElex Humidity Sensors
      • SmartElex Magnetometer Sensors
      • SmartElex Line Tracking Sensors
      • SmartElex Sound Sensors
    • SmartElex Motor Drivers
      • SmartElex DC Motor Drivers
      • SmartElex Smart Motor Drivers
    • SmartElex Programmer Modules
    • SmartElex Connector Modules
    • SmartElex Development Board
  • Electronic Components
    • Integrated Circuits
      • Microcontroller IC
        • ARM Microcontrollers IC
        • 8-bit Microcontrollers IC
        • 16-bit Microcontrollers IC
        • 32-bit Microcontrollers IC
      • Optocoupler ICs
      • Buffers & Transceivers IC
      • Drivers & Interfaces IC
      • Frequency Management IC
      • Amplifier & Comparator IC
      • MOSFET ICs
      • Sensor ICs
      • Audio IC
      • Memory IC
      • Mux & Demux IC
      • Power management IC
      • Linear voltage regulator IC
      • Clock & Timing IC
      • Switching IC
      • ADC & DAC Converter IC
      • Bluetooth, WIFI and Trans-receiver ICs
      • IC Base
    • Resistors
      • Ceramic Resistors
      • Carbon Resistors
      • Current Sense Resistors
      • Film Resistors
      • High Frequency/RF Resistors
      • Metal Foil Resistors
      • MELF Resistors
      • Thermistor
      • Chassis Mount Resistors
    • Capacitors
      • Ceramic Capacitors
        • Disc Capacitor
        • SLCCs- Single Layer Ceramic Capacitors
        • MLCCs- Multi Layer Ceramic Capacitors
      • Aluminium Electrolytic Capacitors
      • Super Capacitors
      • Film Capacitors
      • Tantalum Capacitors
      • Mica Capacitors
      • Noise Suppression & Safety Capacitors
      • Polymer Capacitors
      • Silicon RF Capacitors
      • Capacitors Kit
    • Inductors
      • Power Inductors
      • RF Inductor
      • Air Core Inductors
      • Coupled Inductors
      • Fixed Value Inductors
      • High Frequency Inductors
      • Multilayer Inductors
      • Thin Film Inductors
      • Charging Coils & Arrays
      • Toroidal Inductors
      • Wirewound Inductors
    • Diodes Kit
    • Crystal , Oscillators
    • Component Kit
    • Panel Indicators & LEDs
      • 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 & Maker Kits
    • Pro-Range DIY Project Kits
      • Pro-Range Kits for Arduinos
      • Raspberry Pi Kits
      • Pro-Range Electronic Component Kits
    • Humanoid and Biped Robot Kits
    • Educational Robot Kits and Accessories
    • Drone Kit
    • DIY 3D Printer Kits
    • E-bike Kit
    • Raspberry Pi Compatible 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 Antenna 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
        • E-bike Battery
      • E-bike 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
  • CNC Laser Engraver Machines
    • Atomstack Laser Engraver
    • Two Trees Laser Engraver
    • Creality Laser Engraver
    • CNC Metal Engraver Machine
  • 3D Printers and Parts
    • 3D Printer Filaments & Resins
      • 3D Printer Filaments
        • Pro-Range Filaments
        • eSUN Filaments
        • Numakers Filaments
        • FlashForge Filaments
        • Creality Filaments
        • Sovol Filaments
        • ORANGE Premium Filaments
        • AlmightyFila Filaments
      • 3D Printer Resins
        • eSUN Resins
        • Pro-Range Resins
        • Elegoo Resins
    • 3D Printers
      • Prusa 3D Printers and Parts
      • Elegoo 3D Printers and Parts
      • Anycubic 3D Printers
      • UniFormation 3D Printers
      • Two Trees 3D Printers
      • Phrozen 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
      • Nema Stepper Motors
      • 3D Printer Display and Controller
      • 3D Printer 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 Lithium Polymer (Lipo) Battery Pack
      • 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
    • Single Cell Micro LiPo Battery
    • Lithium-Ion Batteries
      • 1 Cell Li-Ion Battery Pack (3.6V~4.2V)
      • 2 Cell Li-Ion Battery Pack (7.4V~8.4V)
      • 3 Cell 12V Li-Ion Battery Pack (11.1V~12.6V)
      • 4 Cell 15V Li-Ion Battery Pack (14.8V~16.8V)
      • 5 ~ 7 Cell Li-Ion Battery Pack
      • 6 Cell 24V Li-Ion Battery Pack (22.2V~25.2V)
      • 10 Cell 36V Li-Ion Battery Pack (36V~42V)
      • 13 Cell 48V Li-Ion Battery Pack (46.8V~54.6V)
    • LiFePO4 (LFP) Prismatic Battery Cell
    • Other Batteries
      • Button Cell / Coin Cell Battery
      • CNC and PLC Machine Battery
    • Battery Accessories
      • Battery Protection Board
      • Battery Holders and Spacers
      • Multi-brand Battery Chargers
      • Battery Connectors
      • Battery Harness
      • Lipo Voltage Checker
      • Parallel Charging Board
      • Lipo Battery Sack, Straps and Case
  • Motors, Drivers, Actuators
    • DC Planetary Gear Motors
      • Pro-Range High Torque Planetary Gears Motors
      • Orange Planetary Geared BLDC Motors
      • Cytron DC Planetary Geared Motors
    • Brushed DC Motor
      • Pro-Range 12V Johnson Geared Motor
      • Johnson Geared Motor (Grade B)
      • DC Motor with Encoder
      • 25 GA Motors
      • Pro-Range 12V OG 555 DC Gear Motor
      • RS 50 Geared Motor
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HomeBlogsMicrocontrollerArduinoWater Level Indicator: Interfacing With Arduino – Connection and Code

Water Level Indicator: Interfacing With Arduino – Connection and Code

Arduino, Environmental Sensor, Knowledge Base-Sensor, Tutorials  1  comments  7721 Views  Tuesday, April 6, 2021











The water level indicator with Arduino is a mini water management system. Here, you will get step by step guide of how to build this water level indicator.
By using this project you will get an exact idea about how much water you should use.

Water level indicator interfacing with Arduino

Nowadays, all over India, there is a water crisis. To solve this crisis, we need proper water management on the individual level and we need a water level indicator. By doing water management at the individual level we can save plenty of water and could get rid of the water crisis.

You may have a doubt here about how to do water management individually? Well, it's simple. All we have to do is to use a little sensor in our water storage system i.e. water tank.

The sensor will give you an indication of the water level in your water tank. If you know the water level every time, you can easily turn your water pump ON/OFF as per the need.

In this tutorial, we are going to interface the water level sensor with the Arduino UNO and we are going to measure the water level of the water tank. If the water level will be low it will turn ON the pump, If the water level is high it will turn it OFF.

Why We Need Water Level Indicator?

This tutorial guides you on how to develop a water level control system. Many times we cannot guess the water level in the water tank from outside, hence we keep the water pump ON. This results in wastage of water. By using this project we can control the water level in the tank.

Also, we can analyze the water level in the tank by the indication with simple LEDs. This helps us to do the water management on our own. By using this tutorial we are not only controlling the water level but also monitoring it. So let's get started.

Water Level Sensor

Let's discuss, what is water level sensor, its hardware, working, and pin description in detail.

Hardware Outline Of The Water Level Sensor

Here, we are going to use a water level sensor to detect water levels. Basically, this sensor is a combination of the attached series of ten exposed copper traces. The copper traces are merged with each other in order to have one sense trace between two copper traces.

In short, there are alternate copper traces and sense traces. These traces form a bridge by water when dipped in the water. For power indication, there is an onboard power LED.

Working Of The Water Level Sensor

This sensor works on the principle of variable resistance. The sensor consists of a series of parallel exposed conductors. Together this series acts as a variable resistor, whose resistance varies according to the water level in the water tank.

As more water sensor is submerged in, the better is the conductivity and the lower is the resistance. The less the water sensor is submerged in, the poor is the conductivity and the higher is the resistance.

The output of the water level sensor is according to the resistance of the water produced. i.e. it will produce a voltage proportional with resistance.

Pin Description

S(signal pin) is an analog output that will be connected to the analog pin of the Arduino.

+VCC is powering pin of the sensor. The approved input voltage is 3.3v to 5v.

-GND is simply a ground connection.

Components Required

  1. Water level sensor
  2. Arduino Uno
  3. Connecting Wires
  4. LEDs
  5. Resistors
  6. Breadboard

How To Calibrate Water Level Sensor

To make sure the sensor provides accurate data you need to calibrate the sensor for the particular type of water you are going to use.

Before initiating the project or storing the data in the sensor, you should see what readings you are exactly getting from your sensor.

Make a note of the proper values of your sensor outputs when the sensor is completely dry, when it is partially submerged in the water and when it is completely submerged.

In this calibration, you need to do some trial and error. It will be difficult in starting to calibrate this sensor with accurate values. once you will get the accurate values you can handle the project very well. Now you are ready to start.

Interfacing Diagram

Hook up your circuit as shown in the following diagram.

  • In this interfacing, connect the signal pin of the sensor to the A0 of the Arduino.
  • Connect the VCC of the sensor to the Digital pin 7 of the Arduino.
  • Connect GND of the sensor to the Ground of the Arduino.
  • Connect the cathode of RED, YELLOW, GREEN LED to the 2,3,4 digital pin of the Arduino respectively.
  • Connect all anodes of the LED commonly to the GND pin of the Arduino.

In this way, you can interface this sensor with the Arduino.

Software & Code

Once your circuit is done, upload the following code in your Arduino software.

To represent our threshold level there are two variables that are used as the Upper Threshold & Lower Threshold.

Below threshold level, red LED will turn on, above threshold level green LED will turn on, in between these two levels yellow led will turn on.

/* Change these values based on your calibration values */
int lowerThreshold = 420;
int upperThreshold = 520;

// Sensor pins
#define sensorPower 7
#define sensorPin A0

// Value for storing water level
int val = 0;

// Declare pins to which LEDs are connected
int redLED = 2;
int yellowLED = 3;
int greenLED = 4;

void setup() {
	Serial.begin(9600);
	pinMode(sensorPower, OUTPUT);
	digitalWrite(sensorPower, LOW);
	
	// Set LED pins as an OUTPUT
	pinMode(redLED, OUTPUT);
	pinMode(yellowLED, OUTPUT);
	pinMode(greenLED, OUTPUT);

	// Initially turn off all LEDs
	digitalWrite(redLED, LOW);
	digitalWrite(yellowLED, LOW);
	digitalWrite(greenLED, LOW);
}

void loop() {
	int level = readSensor();

	if (level == 0) {
		Serial.println("Water Level: Empty");
		digitalWrite(redLED, LOW);
		digitalWrite(yellowLED, LOW);
		digitalWrite(greenLED, LOW);
	}
	else if (level > 0 && level <= lowerThreshold) {
		Serial.println("Water Level: Low");
		digitalWrite(redLED, HIGH);
		digitalWrite(yellowLED, LOW);
		digitalWrite(greenLED, LOW);
	}
	else if (level > lowerThreshold && level <= upperThreshold) {
		Serial.println("Water Level: Medium");
		digitalWrite(redLED, LOW);
		digitalWrite(yellowLED, HIGH);
		digitalWrite(greenLED, LOW);
	}
	else if (level > upperThreshold) {
		Serial.println("Water Level: High");
		digitalWrite(redLED, LOW);
		digitalWrite(yellowLED, LOW);
		digitalWrite(greenLED, HIGH);
	}
	delay(1000);
}

//This is a function used to get the reading
int readSensor() {
	digitalWrite(sensorPower, HIGH);
	delay(10);
	val = analogRead(sensorPin);
	digitalWrite(sensorPower, LOW);
	return val;
}

Final Words

We hope everyone got all information about the sensor and how to interface it with Arduino. If you found this tutorial helpful let me know in the comment section.

Nowadays, water management is very important for all of us, hope you will use this sensor in your water management systems and refer to this tutorial while doing your project.


Tags : Water level indicator , Water level sensor

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Comments (1)

  • raaj.nivas63 says:
    October 1, 2022 at 8:23 pm

    thank you.
    have enjoyed robu.in connection;

    Reply

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