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

  

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

    

  • 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 X2

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

  

SigTest V1.0

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

  

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]
  

  

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

  

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