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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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HomeBlogsMicrocontrollerArduinoRFID and Password Based Door Lock System Using Arduino

RFID and Password Based Door Lock System Using Arduino

Arduino, Blogs, RFID Module  1  comments  4971 Views  Saturday, January 2, 2021











A step by step guide for RFID and Password based door lock system using Arduino

RFID and Passward based Door Lock System

Generally, the Basic requirement of security can be done by using mechanical electric door locks. Now, in this digital world, we are using various digital technology. For example, identification of digital device using cards or token, door lock system using digital technology, automatic door opening and closing etc. Nowadays, in most hotels, you can see RFID Door Lock Mechanism where you don’t need a key to unlock the room. This kind of systems used for controlling the movement of a door without using a key. This article represents the RFID and Password based Door Lock system. 

Components Required for Door lock system

  • Arduino Mega or any other Arduino 
  • LCD1602 Parallel LCD Display with Blue Backlight
  • MFRC522 RFID Reader & tag
  • 4X4 Keypad or 4X3 Keypad
  • DC 12V Door lock Solenoid
  • 10 k potentiometer
  • 5V Relay module
  • 5V to 12V Power source (For DC jack)

Working Of Door Lock System

The RFID reader communicates with the Arduino through the SPI protocol and different Arduino boards have different SPI pins. Here, we are using RFID Reader/Writer RC522 SPI S50 with RFID Card.

The 16*2 Parallel LCD Display with Blue Backlight is interfaced with Arduino Mega to show the message. Here, we are using 4*4 matrix keypad to enter the password for door opening. In this prototype, we are operating the 12V door lock solenoid through the relay.

  • After, doing all the connection properly and upload the code. It will ask for scanning the card/tag and ask for the set password.
  • On scanning the wrong tag or on entering the wrong password, it will show the message of wrong input.
  • On scanning the right tag and entering the right password, it will send us a confirmation message that the door has opened.

 

Pin Connection of the components with Arduino

1. Connection of RFID reader with Arduino Mega

Connection of RFID sensor with arduino Mega

Connect the MFRC522 module with the Arduino Mega as per the below pin connections. Different Arduino’s have different SPI pins. If you are using different Arduino, then make connections according to that.

RC522 Reader- Uno/Nano- MEGA

  • SDA- D10- D9
  • SCK - D13- D52
  • MOSI- D11- D51
  • MISO- D12- D50
  • IRQ- N/A- N/A
  • GND- GND- GND
  • RST- D9- D8
  • 3.3V- 3.3V- 3.3V

2. Connection of LCD with Arduino Mega

Connection of LCD  with arduino Mega

We are interfacing the LCD1602 with Arduino using the data pins of the LCD module. The same connection and circuit will work for all Arduino and compatible boards. Connect the circuit as per the below connection,

  • VSS (0V)- Ground potential- Gnd
  • VDD (5V)- Positive Voltage
  • V0 (Contrast)- Contrast adjustment (used 10K pot)
  • RS- Register select (Instruction select-0 and Data select-1)- 
  • R/W- Read/write (Read-0 and Write-1)-
  • E- Enable pin
  • D4- A10
  • D5- A11
  • D6- A12
  • D7- A13
  • LCD +A- 5V
  • LCD-K- Gnd

3. Connection of Keypad of Arduino Mega

Connection of Keypad with arduino Mega

 The 4X4 keypad has 8 connections but we don’t require the last column and row of the keypad. We only require 3X3 keypad for the password. So we won’t use the PIN 4 and 8 of the keypad. You can also use 4X3 keypad instead of 4X4 and 3X3 keypad.

  • 1st pin- A0
  • 2nd pin- A1
  • 3rd pin- A2
  • 5th pin- A3
  • 6th pin- A4
  • 7th pin- A5

4. Connection of Relay and Door lock solenoid with Arduino Mega

Connection of Relay and Door lock solenoid with arduino Mega

Here, we are using a 5V relay module. It has 3 inputs and they are,

  • Vcc-Vcc
  • Gnd- Gnd
  • Signal- 49 (Active High)

And connect the 12V Door lock solenoid to the output of the relay module.

Software and Programming 

Download the Arduino IDE Software and the required library for this code from the below links,

  • Arduino IDE 1.8.13
  • SPI Library
  • Software Serial Library
  • Keypad Library
  • RFID Library for MFRC522 
// Include required libraries
#include <MFRC522.h>
#include <Keypad.h>
#include <SoftwareSerial.h>
#include <SPI.h>
// Create instances
MFRC522 mfrc522(53, 5); // MFRC522 mfrc522(SS_PIN, RST_PIN)
// 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 = A8, en = A9, d4 = A10, d5 = A11, d6 = A12, d7 = A13;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
#define Doorrelay 49

 

char initial_password[4] = {'1', '2', '3', '4'};  // Variable to store initial password
String tagUID = "19 47 64 C1";  // String to store UID of tag. Change it with your tag's UID
char password[4];   // Variable to store users password
boolean RFIDMode = true; // boolean to change modes
boolean NormalMode = true; // boolean to change modes
char key_pressed = 0; // Variable to store incoming keys
uint8_t i = 0;  // Variable used for counter
// defining how many rows and columns our keypad have
const byte rows = 3;
const byte columns = 3;
// Keypad pin map
char hexaKeys[rows][columns] = {
  {'1', '2', '3'},
  {'4', '5', '6'},
  {'7', '8', '9'}
 
};
// Initializing pins for keypad
byte row_pins[rows] = {A0, A1, A2};
byte column_pins[columns] = {A3, A4, A5};
// Create instance for keypad
Keypad keypad_key = Keypad( makeKeymap(hexaKeys), row_pins, column_pins, rows, columns);
void setup() {
  Serial.begin(9600);
  pinMode(Doorrelay, OUTPUT);
  Serial.println("Scan your tag......... ");
  lcd.begin(16, 2);
  lcd.setCursor(0, 0);
  lcd.print("WELCOME");
  SPI.begin();      // Init SPI bus
  mfrc522.PCD_Init();   // Init MFRC522
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Scan ur TAG");

}
void loop() {
  
 if (NormalMode == true) {
    // System will first look for mode
    if (RFIDMode == true) {
      // Function to receive message

 

      // Look for new cards
      if ( ! mfrc522.PICC_IsNewCardPresent()) {
        return;
      }
      // Select one of the cards
      if ( ! mfrc522.PICC_ReadCardSerial()) {
        return;
      }
      //Reading from the card
      String tag = "";
      for (byte j = 0; j < mfrc522.uid.size; j++)
      {
        tag.concat(String(mfrc522.uid.uidByte[j] < 0x10 ? " 0" : " "));
        tag.concat(String(mfrc522.uid.uidByte[j], HEX));
      }
      tag.toUpperCase();
      //Checking the card
      if (tag.substring(1) == tagUID)
      {
        Serial.println("Tag mached. ");
        Serial.println("Enter Password");
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("TAG matched");
        delay(2000);
        lcd.clear();
        lcd.print("Enter Password:");
        lcd.setCursor(0, 1);
        RFIDMode = false; // Make RFID mode false
      }
      else
      {
        Serial.print("Wrong Tag Shown");
        Serial.println("  Access Denied ");
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("Wrong Tag Shown");
        lcd.setCursor(0, 1);
        lcd.print("Access Denied");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("Scan Your Tag   ");        
        
      }
    }
    // If RFID mode is false, it will look for keys from keypad
    if (RFIDMode == false) {
      key_pressed = keypad_key.getKey(); // Storing keys
      if (key_pressed)
      {
        password[i++] = key_pressed; // Storing in password variable
        lcd.setCursor(0, 1);
        lcd.print("****");
      }
      if (i == 4) // If 4 keys are completed
      {
        delay(200);
        if (!(strncmp(password, initial_password, 4))) // If password is matched
        {
          Serial.print("Password Accepted");
          lcd.clear();
          lcd.print("Pass Accepted");
          digitalWrite(Doorrelay, LOW);
          
          
          lcd.clear();
          i = 0;
          RFIDMode = true; // Make RFID mode true
        }
        else    // If password is not matched
        {
          Serial.println("Wrong Password");
          lcd.clear();
          lcd.print("Wrong Password");        
          delay(5000);
          
          lcd.clear();
          i = 0;
          RFIDMode = true;  // Make RFID mode true
        }
         
          digitalWrite(Doorrelay, HIGH);
          lcd.setCursor(0, 0);
          lcd.print("Scan ur TAG");
      }
    }
  }
}

Now, you can see the output in the below GIF.

  • Scanning of your tag

scanning of tags

  • Enter the correct passward, Door will be opened.

Door is opened

Hope this tutorial helps you to learn about the RFID and Password based Door Lock system. You can easily make the security for your home with the reference of this tutorial so let's hurry up!


Tags : Keypad based door lock system , Passward based door lock system , rfID based door lock system

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Comments (1)

  • Osman says:
    December 2, 2023 at 1:08 am

    Hello my rfid card ID is
    122 124 93 182 237
    What should i change in the code for my card ?

    Reply

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