Embedded Engineer

SUMMARY

*+ years experienced Embedded Engineer skilled in software development, testing and documentation across the product development life cycle. Adept at end to end software design & development including requirement gathering, documentation and coding. Handle complex project management & work very efficiently to deliver results.

PROFESSIONAL EXPERIENCE

PADMASEETHA TECHNOLOGIES PVT, LTD. (June 2019 - Present) EMBEDDED DEVELOPER - R&D

1) Portable Peritoneal Dialysis Machine

● Firmware development in ARM architecture (STM32 F0 board) using Keil, CubeMX softwares.

● Modules integrated are :

Integrated RTC (Real time clock) to send time to the controller via I2C.

Integrated RTC alarm for procedure initiation.

Wireless communication with mobile applications established using BLE(Bluetooth) via USART.

Integrated LCD for device operation control via I2C.

Implemented HMI for device operation control using resistive touch display via USART.

Fluid color monitoring using color sensor.

Airlock monitoring (Fluid occlusion in tube) using fluid sensor.

Flow rate monitoring using IR sensor.

P ulse based data acquisition using ADC for strain gauge based dynamic weight monitoring.

Battery level indication system using comparator and coulomb counter.

EEPROM storage for user settings and procedure logs.

L og sync with a mobile application.

Flow control using servo motor.

Peristaltic pump action using DC motor.

F luid bag heating and temperature control systems using peltier module.

Sensor event alert logs.

● Debugging functionality issue in firmware using USART window in IDE.

● Worked with USART, I2C, ADC protocols for sensor integration.

● OTA implementation for firmware updates.

● PCB circuit design using Eagle software.

● Creating and maintaining development documentation and records for end users support in relation to software issues.

PUHAZHENDI RAMYA Phone: 994*******

Embedded Developer Email: ************@*****.***

Linkedln: linkedin.com/in/ramya97

2) Ventilator PRANA (COVID Initiative) - Development

● Design and Development of pressure based valve control systems using servo and pressure sensors.

● Preparing technical specifications according to business needs.

● Modules integrated are:

Pressure sensor monitoring system.

Valve air flow controller using servo motor.

Wireless communication with mobile applications established using BLE(Bluetooth).

S ensor data storage in EEPROM.

User settings storage in EEPROM.

Log sync with a mobile application.

● Debugging functionality issue in firmware using USART window in IDE.

● Worked with USART, I2C, ADC protocols for sensor integration. 3) ISO-13485 (Medical Device Manufacturing License) and IEC-60601, C.E., F.D.A., Regulation Implementation

● Assist in maintaining ODOO tool for QMS management.

● Create product design documentation for embedded software.

● Maintain, follow and create standard operating procedures. SWC Solutions (05/2017 - 03/2019) -Incubated Startup at CEGAIN,Chennai CO-FOUNDER - R&D ENGINEER

1) Revolutionary Wheelchair Solutions for the Physically Challenged Powered Convertible Wheelchair

● Power Train and Steering Interfaced with EMG Signals.

● Design of circuit for EMG signal acquisition, Development of prototype of the system and Testing in Real time with volunteers .

● Obstacle Detection System – Design hardware and software system, Development of prototype of the system and Testing in Real time integrated with the wheelchair.

● Patient Monitoring System - Design hardware and software system, Development of prototype of the system and Testing in Real time integrated with the wheelchair.

● Ergonomic Study of Wheelchair with 30 Patients in Kauvery Hospital and Stanley Hospital. INTERNSHIPS

Summer Intern

HTIC Incubated Startup

● Worked as a Intern for "DIABETIC RETINOPATHY AND GLUCOMA DETECTION IN REALTIME RETINAL. Design and development of lens system attachable to mobile phones to view and capture the retinal image. Real time retinal image processing for identifying glaucoma and diabetic retinopathy. ACHIEVEMENTS

● CPDE Funded Project- SWC (10/2018 - 01/2019)

Powered Convertible Wheel Chair into Bed - Shortlisted among 300 projects.

● Global Innovator Award in Master Piece 2017 held at Dubai, UAE (12/2017) Bio-signal Controlled Wheel Chair for Physically Challenged. Secured Top three among the 100 countries.

● Most Innovative Entrepreneur Award by EDII TN (08/2017) Awarded as the best startup in the state premise of TN, INDIA among the 38 Districts.

● MedTech Innovator Award by HTIC MedTech Incubator, IITM (05/2018) Implemented a full working prototype of a powered wheelchair within 24 hours with the equipment infrastructure provided by IITMRP.

PROJECTS

● SMART WHEELCHAIR (08/2017 - 02/2019)

Modern design for a wheelchair with convertibility of wheelchair to patient bed with adjustable heights.

● IRIS RECOGNITION SYSTEM (04/2017 - 06/2017)

A Biometric system created using Matlab software.

● DIABETIC RETINOPATHY AND GLUCOMA DETECTION IN REALTIME RETINAL IMAGES (05/2019 - 06/2019) Real time viewing of retina through a lens system attached with the camper raspberry-pi setup. Detection of glaucoma and diabetic retinopathy from the captured images.

● EMG CONTROLLED WHEELCHAIR (10/2018 - 01/2019)

Manipulated the obtained electromyogram signal from the BRACIHARADIALIS, ULNARIS and EXTENSOR DIGITORIS muscles of the lower arm to move the wheelchair. TECHNICAL SKILLS

● IDE: Cube, Keil, Eclipse, Arduino,

● Software: Eagle, Matlab, MS Office

● Languages: C, C++

● OS: Windows

INTERPERSONAL SKILLS

● Hardworking

● Multi-Tasking

● Leadership

EDUCATION

B.E Biomedical Engineering College of Engineering, Guindy (C.E.G.) Anna University

(2015-2019)

89 percent

XII Standard S.D.A.V SCHOOL,ADAMBAKKAM (2014-2015) - State Board 92 percent X Standard D.A.V. SCHOOL,ADAMBAKKAM (2012-2013) - CBSE 88 percent

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