Air Fobulous 2040
A key fob sized datalogger that can connect to smart phones with USB-C port
Citizen Science Badge
A badge that enables data collection using a microphone, BME688 air quality sensor to collect data, and upload it using a cellular module. Some applications of the PCB include: The components of the badge are listed below according to their corresponding number along with their application. They are: A detailed write-up is available from on
Pi Day Bling
A bling to celebrate Pi-day and it can detect three keywords namely Pi, 3.14 and Irrational.
VOC Monitor
A second generation VOC sensing device that can measure VOCs and upload it to the cloud
Air Quality Display
A visual aid meant for educating makers about Air Quality
Raspberry Pi based Personal Health Dashboard
A giant display that keeps track of my daily physical activity!
Sigfox Hackathon
Sigfox hackathon where I built a proof-of-concept for transmitting SOS messages
Student Fob tracker
A key fob enabled behavior tracker meant to help educators identify learning needs among educators
Beats Audio Recorder
An Embedded Linux based audio recording device meant to help educators
Social Experiment using Connected Devices
A small social experiment using IoT devices
The Connected Lamp
An IoT lamp that alerts about problems with devices in a fleet.
Python Programming with the Raspberry Pi Zero
A hands-on introduction to Python programming using the Raspberry Pi Zero
Raspberry Pi Mechatronics Projects
My first book on 10 different projects using the Raspberry Pi
Load Simulator for Engineering Mechanics
PCB design for a load simulator for Engineering Mechanics class at CMU
Autonomous Recharging Agent
A grad school project demonstrating autonomous recharging agents
VOC sensors
A tiny gadget that changes behavior of its RGB LEDs based on the measured VOC levels
Autonomous Kayak
A semester long research project that involves robotic kayaks chasing each other!
Boxing datalogger
A Bluetooth enabled datalogger that was embedded inside a boxing glove
Connect Four Robot
A grad school project where the robot plays the Connect Four Game!
Carbon Dioxide Monitor
First PCB design after undergrad - CO2 monitor