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

Voice Controlled Home Automation using Google Assistant

Blogs, IOT and Wireless  2  comments  4905 Views  Saturday, June 6, 2020











This tutorial we will learn to make IOT based Home automation then we will add google assistant to control it over voice commands.

Hello friends, today we are going to learn how to make home automation system, in which your home appliances are get controlled by your voice command.

Isn't it cool when you say turn on the light and light will turn and the light will turn on with your voice command, No it's not " JARVIS ", it’s the NodeMCU and Google Assistance.  Yes you can do this amazing project with a very cost-effective electronic parts.

Here's a video that'll take you step by step to complete your home automation.

All you Required is:

  • Light bulb with light bulb holder and wire.
  • DC to AC relay board.
  • AC pin without ground.
  • NodeMCU Board.
  • Jumper Cable.
  • And Google Assistant On your smartphone.

That’s it, your project will be completed with this few things, now let us move towards the next step.

This project will be done under this 4 Major Steps.

Step 1 : Downloading and Setting up Arduino IDE and Blynk Libraries.

Step 2 : Install and Configure Blynk App.

Step 3 : Hardware Assembly.

Step 4 : Configure IFTTT.

Software Installation Steps:

  • First, you have to download Arduino IDE for programming NodeMCU module.

https://www.arduino.cc/en/Main/Software

here is the link provided for downloading your Arduino IDE for you on your Respective OS.

  • Now we need to install ESP8266 board in your IDE.

For that, you need to open your ARDUINO IDE first and paste the URL Provided below.

File/preferences/Additional board manager URL

http://arduino.esp8266.com/stable/package_esp8266com_index.json

It will appear like this on your Screen preference tab.

[caption id="attachment_749992" align="aligncenter" width="563"]preference tab preference tab.[/caption]
  • Then follow the path Tools/board/board manager and Type ESP8266, you will find a board of ESP8266 click on install option.
[caption id="attachment_750004" align="aligncenter" width="552"]boardmanager Board Manager.[/caption]

So this is how your board of NodeMCU gets installed.

Library Installation:

  • Next thing, We need to install blynk library in our Arduino IDE from here..
  • To install this library, Go to Arduino library/sketch/include library
[caption id="attachment_750012" align="aligncenter" width="537"]ArduinoIDE ArduinoIDE.[/caption]
  • Then add the blynk library though the procedure shown above.

[caption id="attachment_750013" align="aligncenter" width="539"]Addinglibrary Addinglibrary[/caption]

Now  Software Installation, Board Installation, and Library Installation process completed on your PC.

  • Next process is you have to go to path file/Example/blynk/boardWifi/ESP8266_Standalone.
[caption id="attachment_750018" align="aligncenter" width="518"]path path[/caption]
  • Open ESP8266_standalone sketch and upload into your NodeMCU board.
[caption id="attachment_750036" align="aligncenter" width="526"]tools tools.[/caption]

here the code has been uploaded into your NodeMCU board, now you have to make the connection as shown below.

[caption id="attachment_750039" align="aligncenter" width="525"]block diagram of system Fig. block diagram of system.[/caption]

Application Installation and Configuration:

  1. Go to play store/app store and type blynk, you will find green color icon for blynk app, then install it on your device.
[caption id="attachment_750044" align="aligncenter" width="372"]blynk app blynk app.[/caption]
  • Sign up with a gmailid and then create a new project.
  • then click on create option and fill the details like project name, device used and connection type.

 

[caption id="attachment_750050" align="aligncenter" width="363"]Create New project Create New project.[/caption]
  • Auth token will be generated this auth token you will get in the settings option of this project and on your Gmail Account.
[caption id="attachment_750053" align="aligncenter" width="371"]AuthToken Notification AuthToken Notification.[/caption]
  • Once your project is created, you have to insert different types of widget into it, For example I will be adding two buttons from widget box shown below.
[caption id="attachment_750054" align="aligncenter" width="372"]widgetBox widgetBox.[/caption]
  • After selecting two buttons click on the Settings button and fill the details like i did in following image.
[caption id="attachment_750056" align="aligncenter" width="372"]button Setting The button setting.[/caption] [caption id="attachment_750057" align="aligncenter" width="371"]fanButtonSetting ButtonSetting.[/caption]
  • After all the process with this settings your Dashboard will look appear like this.
[caption id="attachment_750059" align="aligncenter" width="373"]HomeAutomation Home Automation.[/caption]
  • The board icon shown in brown circle has One Red Notification like symbol on it, because  the app is not connected with board for that you have to follow some steps.
  • First,  you have to open your blynk registered Gmail acc open the mail from blynk app which gives you AUTH token for your project"HomeAutomation", copy that auth code to Auth type in the code box.
  • Insert your Hotspot ID password into your SSID and Password on your Arduino Sketch.
[caption id="attachment_750068" align="aligncenter" width="553"]finalCode final Code.[/caption]
  • Select your NodeMCU board and click on upload.
[caption id="attachment_750071" align="aligncenter" width="555"]Tools Tools.[/caption]

And that’s it ,Now you can control your home appliances with a touch on your fingers with the help of blynk app.

But, this tutorial is all about controlling your appliances on your voice commands. So now we will move towards the Magic Steps now.

IFTTT Configuration:

We cannot connect the Google Assistant to the NodeMCU directly, and that is the only reason we are using the Blynk app. Blynk app can directly connect to the NodeMCU and send data from it.

So, if we can send the voice commands interpreted by Google Aassistant directly to the Blynk app, the Blynk app can then forward those commands to the NodeMCU.

But the problem is Google Assistant cannot directly understand foreign commands like “turn on the fan” or “turn on relay one” etc. on its own. So, to solve this we use another intermediate app/website called ‘IFTTT’.

So, in the end what will happen is, when we say a voice command like “ok google turn on the light” to the Google Assistant, Google Assistant sends that this foreign command to IFTTT.

IFTTT interprets this command and sends an On or Off signal to the Blynk app via the Blynk Server. Blynk will then send this signal to the NodeMCU and then to our electrical appliances.

Journey of connecting Google Assistance with your home appliances:

Google Assistant cannot Send command directly to NodeMCU, So we use intermidiate tool called IFTTT, takes the input from Google Assistant and sends the output to blynk app for specific command, lets see how. 

If I say, "turn on light" then IFTTT takes this command as a input as we have registered this command as a condition in its applet ,and based on that condition we write the what output should we send to blynk app.       Enough discussions and saying now lets move towards actual procedure.

  1. Go to official website of IFTTT and sign up with your gmail account.      [caption id="attachment_751122" align="aligncenter" width="411"]SignIn SignIn.[/caption]
  2. At this point IFTTT will ask you permission to use your google account to add voice commands to it. Which you simply allow by clicking on ‘Allow’ button.                                                                                                                      [caption id="attachment_751197" align="aligncenter" width="379"]permission permission.[/caption]
  3. Now go to the account and click on my applet, then click on create your own, then you will find a sentence "IF THIS THEN THAT".                [caption id="attachment_751164" align="aligncenter" width="504"]IFTTT IFTTT[/caption]
  4. Click on IF option(+ option).
  5. Type Google Assistance in search box, after clicking on google assistance select the option , you will see a box where you have to put the input what you want to give to Google Assistant.                                                      [caption id="attachment_751168" align="aligncenter" width="465"]Google Assistant Google Assistant.[/caption]
  6. And with respect of your input what output you want from it, So as you can see in the image below I wrote what input I will feed and what output I want to listen from the Google Assistant, as you can see in the image below.                                                                                                      
    [caption id="attachment_751189" align="aligncenter" width="442"]MyApplet MyApplet[/caption]                                          
  7. Select the Language English and hit on create trigger.                                                  [caption id="attachment_751190" align="aligncenter" width="449"]createTrigger createTrigger[/caption]
  8. "IF" procedure is complete now now jump on "that" procedure 
  9. Click on that option and type webhooks select it, and click on connect. Webhooks will allow us to send commands to the Blynk Server.              [caption id="attachment_751174" align="aligncenter" width="456"]ThatSevice ThatSevice[/caption]
  10. Now, in the URL field type the URL provided below: [caption id="attachment_751176" align="aligncenter" width="413"]WEbhooksTab WEbhooksTab[/caption]

    http://188.166.206.43/ YourAuthTokenHere / update / DigitalPinToBeUpdateHere.                                                                            

    This is the URL of Blynk Server of India, but it should work on other places as well. Replace the “YourAuthTokenHere” part with your Blynk Auth token that you received in the E-mail.

  11. And “DigitalPinToBeUpdateHere” part with the Digital pin of NodeMCU that is to be updated. So, as we assigned the Digital Pin D1 of NodeMCU to relay one we must write D1 in place of “DigitalPinToBeUpdateHere”. But wait, we cannot write D1 there, because when Blynk Server receives this command from IFTTT it assumes as if the command it received was to be sent to an ‘Arduino Uno’ board, but in this case, we are sending it to NodeMCU.

  12. To solve this, we must type the Digital pin of Arduino which corresponds with the NodeMCU. You can find the mapping in the image below.

    [caption id="attachment_751180" align="aligncenter" width="457"]NodemcuPinout NodeMCU Pinout[/caption]
  13. As you can see in the image, Digital Pin D1 of NodeMCU corresponds to Pin D5 of Arduino. So instead of D1, I’ll write D1 as the pin. In the end the URL should appear something like this:
    http://188.166.206.43/ d5*********************d8 / update / D5
  14. Next, Select the ‘Method’ field as PUT.
  15. Select the ‘Content type’ as Application/JSON.
  16. For the ‘Body’ type this:   [“1”]
    Here ‘1’ means to turn on, so we are basically saying Blynk to turn on relay that is connected to pin D1, which in our case is Relay one.            [caption id="attachment_751183" align="aligncenter" width="461"]applet applet[/caption]
  17. Now click on ‘Create Action’ and then Finish.
  18. Similarly, we create another applet to turn off the relay. Repeat all the steps above from Step 4 Except the following changes.                                 1)  In the Step 6 and  Step 7, instead of writing “Turn on the light”,            type “Turn off the light”.                                                                                   2) In step 13, instead of [“1”], type [“0”].
  19. So now we have successfully created two triggers to Turn On and Off one Relay. So Similarly, we create triggers for the remaining 3 relays. Just change the phrase and Digital pin for each Relay. All the other steps will remain the same. So, in the end for 2 relays, we should have 4 triggers to turn each of them On or Off.
  20. When this it is all done, you will be able to generate the voice commands with your Google Assistant and it should work like a charm! So now, you have your own voice controlled with the application.                                                                     

I hope you enjoyed learning this cool project. If you want to know more about its parameter in details please click on the links given below

  1. IFTTT
  2. NodeMCU
  3. WebHooks
  4. Google Assistant
  5. Blynk platform

Tags : How to achieve voice controlled home automation , how to connect google assistant to nodemcu , how to make home automation , platform , what is blynk app

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Comments (2)

    Goutam Choudhary
    July 3, 2020

    Good work

    Reply
    Anand
    June 26, 2020

    Keep up the good work. You will get resounding success in coming months.

    Reply

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