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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
    • 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
      • 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
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HomeBlogsDevelopment boardsAdvance Development BoardInterfacing IR Sensor With STM32 Discovery Board

Interfacing IR Sensor With STM32 Discovery Board

Advance Development Board, Blogs, Sensors  0  comments  4404 Views  Friday, June 25, 2021











STM32 Boards have 23 interrupt sources. In this article, we will see how STM32 handles interrupts at a primitive level.

Thumbnail 4

Hello, we have already gone through the introduction of the STM32 discovery board. Today we are going to interface the Infrared Sensor with STM Board. If you are a beginner in using STM programming, you will understand the interrupt handling and use of GPIO pins. Let's get started!

Components Required:

  • STM32F407 Discovery Board 
  • Infrared Sensor
  • LEDs
  • Breadboard
  • Jumpers
  • USB type A to Mini B Cable.

Interfacing Diagram:

The following picture depicts the interfacing between the IR module and STM32 DISC Board. PA1 pin introduces interrupt as IR sensor detects an obstacle. The LED connected at PD1 indicates the interrupt status.

Pinout:

  • LED1- PD0 (Pin 0 of Port D)
  • LED2- PD1 (Pin 1 of Port D)
  • IR (5V)- 5V of STM Board
  • IR (Gnd)- GND of STM
  • IR (Dout)- PA1 (Pin 1 of Port A)

Software:

Let's move towards code writing and deployment. I have used Atollic Truestudio for the programming of the board. The initial steps are software installing and selecting the board. After that, go to Files-->New Project-->C project and the perspective of the new project will open, as you can see in the following image.

  • Step 1: Create New Project.
  • Step 2: Write Code.
  • Step 3: Save.
  • Step 4: Build Project.
  • Step 5: Debug.

In the Debugger perceptive, press the resume button to run the code on STM32 Board.

Code:

STM32F GPIO pins are classified as Port A, Port B, Port C etc. All these ports are inactive by default. However, if we have to use them, we must enable the clock at a particular GPIO.

RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE); //Enable GPIOD clock 
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE); //Enable  GPIOA clock 
RCC_AHB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); // Enable SYSCFG clock 
GPIO_InitLed.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1; // GPIOs as output push-pull to drive external GPIO_InitLed.GPIO_Mode = GPIO_Mode_OUT; // Define as output port.
GPIO_InitLed.GPIO_Speed = GPIO_Speed_50MHz;

The speed at these pins cannot be exact 50MHz. But, by using this line, we are trying to get the maximum possible speed at it.

GPIO_Init(GPIOD, &GPIO_InitLed);// Apply all above configurations.

Normally, STM32 boards have a total of 23 interrupt sources which can be classified into two sections. One section is for GPIO pins from P0 to P15 on each port, and the other is for RTC, Ethernet and USB interrupts. As PA0 and PB0 are connected to Line 0, we can not use them simultaneously. However, PA2 and PA6 can be used at a time as they are connected to different lines.

SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource1);//Connect EXTI at Line1 to PA1 pin 

/*Configuration of EXTI at Line1.*/

EXTI_InitSensor.EXTI_Line = EXTI_Line1;
EXTI_InitSensor.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitSensor.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitSensor.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitSensor);


NVIC_InitSensor.NVIC_IRQChannel = EXTI1_IRQn;// Selection of interrupt

The below lines sets the priority level of interrupt. i.e., the highest priority interrupt has a lower number from 0x00 to 0x0F.

NVIC_InitSensor.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitSensor.NVIC_IRQChannelSubPriority = 0;
NVIC_InitSensor.NVIC_IRQChannelCmd = ENABLE;// enable interrupt.
void EXTI1_IRQHandler(void) // interrupt Handler for pin1 connected to line 1
{
	if(EXTI_GetITStatus(EXTI_Line1) != RESET)
	{
		GPIO_WriteBit(GPIOD, GPIO_Pin_1, Bit_SET);
		Delay(33600000);
		GPIO_WriteBit(GPIOD, GPIO_Pin_1, Bit_RESET);
          }
} // Interrupt handler
EXTI_ClearITPendingBit(EXTI_Line1);// Clear the EXTI line pending bit.

The complete program is as follows.

#include "stm32f4xx.h"
#include "stm32f4_discovery.h"

GPIO_InitTypeDef GPIO_InitLed;
EXTI_InitTypeDef EXTI_InitSensor;
NVIC_InitTypeDef NVIC_InitSensor;

void Delay(__IO uint32_t nCount)

{
	while(nCount--)
	{

	}
}

int main(void)
{
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);

    RCC_AHB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);

	GPIO_InitLed.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;
	GPIO_InitLed.GPIO_Mode = GPIO_Mode_OUT;
	GPIO_InitLed.GPIO_OType = GPIO_OType_PP;
	GPIO_InitLed.GPIO_PuPd = GPIO_PuPd_NOPULL;
	GPIO_InitLed.GPIO_Speed = GPIO_Speed_50MHz;
        GPIO_Init(GPIOD, &GPIO_InitLed);

	GPIO_InitLed.GPIO_Pin = GPIO_Pin_1;
	GPIO_InitLed.GPIO_Mode = GPIO_Mode_IN;
	GPIO_InitLed.GPIO_Mode = GPIO_OType_PP;
	GPIO_InitLed.GPIO_PuPd = GPIO_PuPd_DOWN;
	GPIO_InitLed.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOA, &GPIO_InitLed);


	SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource1);

	EXTI_InitSensor.EXTI_Line = EXTI_Line1;
	EXTI_InitSensor.EXTI_Mode = EXTI_Mode_Interrupt;
	EXTI_InitSensor.EXTI_Trigger = EXTI_Trigger_Rising;
	EXTI_InitSensor.EXTI_LineCmd = ENABLE;
	EXTI_Init(&EXTI_InitSensor);

	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);

	NVIC_InitSensor.NVIC_IRQChannel = EXTI1_IRQn;
	NVIC_InitSensor.NVIC_IRQChannelPreemptionPriority = 0;
	NVIC_InitSensor.NVIC_IRQChannelSubPriority = 0;
	NVIC_InitSensor.NVIC_IRQChannelCmd = ENABLE;
	NVIC_Init(&NVIC_InitSensor);

	while (1)
  {
	GPIO_WriteBit(GPIOD, GPIO_Pin_0, Bit_SET);
	Delay(16800000);
	GPIO_WriteBit(GPIOD, GPIO_Pin_0, Bit_RESET);
	Delay(16800000);
  }
}
void EXTI1_IRQHandler(void)
{
	if(EXTI_GetITStatus(EXTI_Line1) != RESET)
	{
		GPIO_WriteBit(GPIOD, GPIO_Pin_1, Bit_SET);
		Delay(33600000);
		GPIO_WriteBit(GPIOD, GPIO_Pin_1, Bit_RESET);
		EXTI_ClearITPendingBit(EXTI_Line1);
     }

}

Output:

Final Words:

Hope you found this article informative. If you are interested to learn more about it, let us know your thoughts in the comment section.


Tags : Interfacing of IR sensor , Interrupt , STM32

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