Projects

#Only completed & finished products showcased here
##Numerous test protoypes & thousands of hours of testing & debugging form the backend :)

LoRaWAN

Accelerometer Sensor end node

  • Completed Project 2021
  • Uses Microchip WLR089U0 LoRaWAN Module + ADXL355Z
  • Sends Accelerometer data via LoRaWAN to a server for data analysis
  • Project Deliverable: Development of Firmware & PCB design of sensor node
  • PCB design consists of a minitature board consisting of Li-ion battery power supply, WLR089 and ADXL355Z accelerometer sensor
  • Project Prototype completed for Promethean Energy Pvt. Ltd. during March 2021
    ADXL355z+WLR089

    ADXL355z+WLR089

RH+T+Pressure Sensing end node

  • Completed Project 2021
  • Uses Microchip WLR089U0 LoRaWAN Module + BME280
  • Sends Humidity, Temperature & Pressure data via LoRaWAN to a server for data analysis
  • Project Deliverable: Development of Firmware for the sensor end node completed
  • Project consultancy done for TinkerBee Pvt. Ltd. during Dec 2020-June 2021
  • Product profile at official Tinkerbee blog link

LoRaWAN Enabled Remote Solar Photo Voltaic Energy Monitoring System

  • 🤩Ongoing Project 2020-21🤩
  • IEEE MTT-S SIGHT funded
  • To setup a LoRaWAN setup to monitor Solar PV installations
  • To be setup at Walvanda, Maharashtra
  • 85% work complete as on May 2021
  • Project progress can be viewed at the Official Website of the project: https://SolarSurveilDBIT.in
  • YouTube video of the project at this link
  • Hardware
    • ATM90E26 Energy Monitoring IC
    • WLR089U0 LoRaWAN Module
      LoRa PV RMS

      LoRa PV RMS

    • 1kW Mini Solar PV Setup
      1kW Mini Solar PV Setup

      1kW Mini Solar PV Setup

  • Software
    • Firmware development for
      • WLR089U0 LoRaWAN module
      • ESP32 Wi-Fi module
    • Web Development using
      • HTML, CSS & Bootstrap
      • LAMP & JAM Stack
    • Node-RED
    • Grafana
    • Tinkercad for 3D modeling
  • Faculty Team
    • Dr. Ashwini Kotrashetti
    • Ms. Freda Carvalho
    • Ms. Gejo George
    • Mr. Tayyabali Sayyed
    • Mr. Jithin Isaac (Project Guide)
  • Student Team
    • Mr. Shreyas Kulkarni
    • Mr. Keith Barnes
    • Mr. Adish Sthalekar
    • Ms. Aparna Kulkarni

dbLoRa X1

  • Completed Project 2019
  • Battery operated LoRaWAN End Node
  • Uses HopeRF RFM95W & ATMega328P
  • Github Source Code
    dbLoRa-X1

    dbLoRa-X1


dbLoRa X2

  • Completed Project 2020
  • Iteration 2
  • Battery operated LoRaWAN End Node
  • Uses Dorji DRG1276G & ATMega328P
  • Github Source Code
    dbLoRa-X2

    dbLoRa-X2


SigTest V1.0

  • Completed Project 2019
  • LoRaWAN Signal Testing Device
  • Used to measure SNR & RSSI of Uplink & Downlink
  • Uses RAK811 & ATMega328
  • [Github Source Code]
    LoRaWAN SigTest V1.0

    LoRaWAN SigTest V1.0

Espressif ESP WiFi SoC

natureSense ESP32 based board for STEM Education

  • Hardware Fabrication complete: July-September 2021
  • Ongoing STEM Course for school children from Sept-Dec 2021🤩
  • Uses ESP32 as Controller+WiFi SoC
  • PCB has 7 onboard & 9 external sensor slots
  • Made for DBIT’s CrEAST STEM program in collaboration with L&T
  • CrEAST: Center for Creative Explorations & Advanced Skilling in Technology for STEM
  • Collaborators: Mr. Atul Kumar & Mr. Joshua Chettiar (BE students AY2021-22)

Accelerometer sensor end node

  • Completed Project 2021
  • Uses ESP32 + ADXL355Z via I2C
  • Sends accelerometer data via Wi-Fi to a server for analysis
  • Over the air parameter tweaking via downlinks
  • Project Prototype completed for Promethean Energy Pvt. Ltd. during April 2021
    WiBosco
  • Completed Project 2018
  • IoT switch
  • Uses ESP8266 & 5V Relay for home automation of electrical appliances
  • Powered directly by AC mains
  • Controlled via Mobile App
  • [Github Source Code]
    WiBosco V1

    WiBosco V1

Other Projects

NFC based Canteen Payment System

  • Completed Project April 2018
  • Uses ATMega328P + NXP MFRC522 contactless RFID reader/writer
  • Used for automating canteen payment transactions
  • Offline system, payment history stored on RFID tags itself. No internet required.
  • Project Prototype completed for DBIT Canteen
  • Project Video Link1 & Link2
    NFC based Canteen Payment System

    NFC based Canteen Payment System

Full Stack Web Development

SpO2 Tracker

  • Completed Project 2020
  • Front End: HTML, Bootstrap & Javascript
  • Back End: PHP
  • Database: MariaDB on AWS RDS
  • Hosted on: AWS EC2
  • Project records the SpO2 i.e. Oxygen Saturation levels
  • User can enter these values & track their vitals
  • Charts are using ChartJS
  • [Github Source Code]
  • Project Demo

Secret Diary

  • Completed Project 2020
  • Front End: HTML, Bootstrap & Javascript
  • Back End: PHP
  • Database: MariaDB on AWS RDS
  • Hosted on: AWS EC2
  • User authentication via SignUp & SignIn option
  • User will be provided with their own secret diary, where they can make notes
  • [Github Source Code]
  • Project Demo

Basic CRUD Operations via HTML-PHP Web Form

  • Completed Project 2020
  • Front End: HTML, Bootstrap
  • Back End: PHP
  • Database: MariaDB on AWS RDS
  • Hosted on: AWS EC2
  • Basic CRUD operations
  • [Github Source Code]
  • Project Demo
3D Modeling & Printing

FreeCAD 3D Projects

  • Ongoing Learning 2021 onwards
  • Using FreeCAD for 3D Modeling
  • Using for enclosures & boxes for electronic components
  • Check out my 3D projects using FreeCAD
  • 3D Printing using: Creality Ender 3 V2

Tinkercad 3D Projects

  • Ongoing Projects 2020 onwards
  • Using Tinkercad (Autodesk) for 3D Modeling
  • Learnt the basics of modeling & printing using tinkercad
  • Very intuitive UI, perfect for starters
  • Next logical stage is to move to FreeCAD, coz it is awesome & FOSS
  • Check out my 3D projects using Tinkercad
  • 3D Printing using: Creality Ender 3 V2

Modular 3D parametric design for PCB Encloures

  • Completed Project June 2021
  • Tool used: FreeCAD
  • Used to design 3D enclosures for PCB
  • Dimensions can be adjusted to fit ANY size PCB enclosure
  • Change dimensions in a sheet as per your PCB design & you are good to go
  • Github Source Code
    3D parametric design to fit any PCB enclosure

    3D parametric design to fit any PCB enclosure