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DC Motor speed and direction control based on IoT using MQTT protocol

Brief description - In this project we control speed and direction of DC motor using PWM based on MQTT. This can be applied in industrial IoT. We can publish command specific data using MQTT client like PC, Mobile to control motor.


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System Block Diagram

Block Diagram

Package includes:

  • Node MCU
  • DC Motor
  • Motor Driver
  • Power supply
  • USB to Micro Cable
  • Connectors
  • CD with complete documentation, software's required,libraries,video,Osmosis Platform account creation documents

Technologies used

  1. PWM - Pulse width modulation
  2. MQTT - Message Queuing Telemetry Transport
  3. IoT - Internet of Things
  4. Wi-fi

Project area

Industrial IoT applications

Hardware used

  1. Small DC motor
  2. Motor Driver
  3. NodeMCU

Software used

  1. Arduino IDE - for Arduino and NodeMCU programming
  2. MQTT Lens
  3. OSMOSIS MQTT Broker
  4. AWS

Steps to follow to run