The document is a cover letter and resume for Sandeep Pradeep Ekhe. It summarizes his educational qualifications including a Master's degree in VLSI and Embedded Systems and a Bachelor's degree in Electronics and Telecommunication. It outlines his work experience over 4 years and 9 months including projects in embedded software development, circuit design, and product development at various companies. It also lists his areas of expertise such as embedded C programming, microcontroller programming, communication protocols, and circuit design.

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Sandeep Pradeep Ekhe
M.E. (VLSI & Embedded Systems)
B.E. (Electronics & Telecommunication)
Covering Letter
Areas of Expertise
Embedded C
8/16/32 bit Microcontroller Programming
Device Driver Implementation
Switchgear Protections and Metering
Communication Protocols
Circuit Designing
Product Development Life Cycle Management
Dear Sir/Madam,
I have completed my Full time Masters of Engineering (M.E.) in VLSI and Embedded Systems
from Sinhgad College of Engineering under Pune University with 1st
Class and Bachelor of
Engineering (B.E.) in Electronics and Telecommunication from Vidya Pratishthan College of
Engineering under Pune University with 1st
Class. With my knowledge in designing Embedded
Software, I believe that my diverse technical abilities would be a unique asset to your company.
My own career would be benefited through being a productive member of your organization. A
quick glance through my resume gives you an idea of the projects that I have done in a
relatively short time span. My ability to understand and assimilate the new concepts and
convert abstract ideas into marketable products is amply demonstrated through my experience
in project designing, software proficiency and testing.
Thank you for your time and courtesy in viewing my resume. Please kindly inform me at your
earliest convenience.
Thanking you.
Sincerely,
Mr. Sandeep P. Ekhe
sandeepekhe@gmail.com
sandeepekhe@yahoo.in
Mobile: +91 09970751317

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Sandeep Pradeep Ekhe
CAREER OBJECTIVE
To seek a challenging and responsible position in an esteemed organization and to
serve the organization with utmost commitment and sincerity.
EDUCATION
Examination College University Admitted Percentage
ME
(VLSI and Embedded
Systems – Full Time)
Sinhgad College of
Engineering,
Vadgaon(Bk),Pune
University of
Pune
June
2011
7.6
(CGPA)
BE
(Electronics and
Telecommunication)
Vidya Pratishthan’s
College of
Engineering, Pune
University of
Pune
May
2009
64.80
HSC
(Electronics)
Shri Samarth Vidya
Mandir College,
Ahmednagar
Maharashtra
Board
Feb
2005
73.83
SSC
Bhausaheb Firodiya
High School,
Ahmednagar
Maharashtra
Board
March
2003
73.73
WORK EXPERIENCE (4 Year 9 Months)
Name of Company: L&T Electrical and Automation Mumbai, Maharashtra.
Duration: 29th
April 2013 to till date (2 Year and 11 Months).
Designation: Sr. Embedded Software Engineer
Department: Embedded Design and Development Center
1st
Project: “Molded Case Circuit Breaker (MCCB)”
Duration Required: 1 Year 5 Months
Training Undertaken: Introduction to LV Switchgear
Job Responsibilities: Aim was to write firmware for Metering, Protections and
Communications related Functionality Addition. Existing
Firmware/Hardware Bugs Fixing, Maintaining issue logs, testing
and timely delivery. MCCB have two variants, called MTX2.0 and
MTX3.0. Bluetooth and Modbus based Communication with Display
Module. Done Following things:
- MTX2.0/MTX3.0 Calibration Process Implementation.
- MTX3.0 Modbus data range checks functionality addition to
prevent unexpected malfunction.
- MTX3.0 Earth Fault and Metering accuracy Improvement.
- MTX3.0 Bluetooth based Display Module Chip Configuration and
Programming with Master and Slave combinations.

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- MTX2.0/MTX3.0 Implementing Oscillography Code with
Graphical excel sheet for Root Cause Analysis and Debugging.
- MTX2.0 Conducted Short circuit test of 70KA at ERDA vadodara.
Developed a self powered Hardware using 44Pins PIC18F (MTX2.0)
and 64 Pins PIC24 (MTX3.0) Microcontroller, OPAMP based Signal
and Conditioning Unit for R,Y, B and N Phases, OPAMP based Zero
Cross Detection Unit, Digital SMPS unit, External FRAM,
Communication Protocols like RS242, I2C, Modbus, Bluetooth etc.
2nd
Project: “FEEDER and MOTOR Control Metering Protection Relay
(FCOMP/MCOMP+/MCOMP+ Differential)”
Duration Required: Working
Training Undertaken: 1. Graphical User Interface coding using QT Creator.
2. Basics of Electrical Protection Systems.
Job Responsibilities: Aim is to Implement Device Drivers and application code for
CPU/CTVT Card, New Functionalities additions, Timely Delivery,
debugging and resolving issues quickly observed in the Fields.
- CTVT card software based Low Pass Filter implementation for all
phases to reduce noise and high spicks.
- Written Test Cases and Testing of Differential CTVT Card
Metering Accuracy Measurement (POC).
- Boot loader for RM48 and TMS320 DSP Controller to Program it
using YMODEM Protocol using USB Port and SD Card. (Working)
- Written the CTVT Card Testing and Calibration Procedure
documents for Production Support.
- FCOMP CTVT Card Controller Timing and Loading Analysis.
- New CTVT Card Requirement Specifications as per future
market demand and Board Bring up. New Card includes Phases
for 1A/5A Currents IR, IY, IB, IN, REF, SEF, Differential Current
DR, DY, DB, 110V/230V Voltage VR, VY, VB, VSYNC.
- Drivers implementations as follows,
1. Two 32Kbit EEPROM using I2C
2. 12 Bit Internal and 16 Bit External ADC Parallel Interface
3. External Watchdog Timer
4. DMA drivers for External SMSC LAN9311i Card and FRAM.
5. YMODEM Protocol using USB Communication.
6. Flash Programming and SPI Micro SD card Interfacing.
- Metering and Protection related data calculations as follows,
1. Real and Imaginary Components for all Phases using FFT
2. Fundamental and True MS, RMS of all Phases
3. Bias Current calculations for Differential Current Phases
4. Calibration factors and scaling factors for all Phases
5. Oscillography and Internal Self Diagnostics parameters
6. Energy, Power – Active, Reactive, Apparent, Power Factor
7. Sequence Components - Positive, Negative and zero
8. Current and Power Demand with sliding and fixed method
9. Harmonics up to 25th
harmonics for 50Hz and 60Hz
10. Phases Angle, Frequency – Zero Cross detection and PWM
11.Voltage/Current Unbalance, Oscillography Calculations
12.Power Down data handling and saving the contents
13.Real Time card variants Detection with H/W Diagnostic
14.Memory Maps and Query/Response Implementation for
data exchange with External Lan Chips Cards/Devices.

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3rd
Project: “Motor Protection Relay (MPR)”
Duration Required: 2 Months
Job Responsibilities: Aim was to port existing Firmware of old AT89C51RE2 controller
(absolute) to New AT89C51RD2 Controller with additional external
RAM Interfacing, Firmware/Hardware Bugs Resolution and New
functionality addition.
- Profibus New Parameters Metering Data addition in code and
changes in the GSD file.
- Digital Input / Output (DIO) Card CAN stack related Bugs Fixed.
Name of Company: Delta Embedded Solutions Pvt. Ltd. Pune, Maharashtra.
Duration: 1st
November 2012 to 19th
April 2013 (6 Months)
Designation: Embedded Design Engineer
Department: Research & Development
1st
Project: “Automatic Capacitance and Tan Delta Measurement System”
Job Responsibilities: Aim was to replace a CTD Manual Measurement System into
Automated Measurement System. The Customer Requirements are
- Capacitance Range: 1 PF to 1.11 MFD for Standard Capacitance
of 100 PF in four ranges i.e. Cx Factor 0.01, 0.1, 1, 10.
- Tan D Range: 1*10E-5 to 11.1 in 3 Ranges i.e 0.1, 1, 10.
- Resolution: +/- 1% as per Cx Factor and Tan Delta.
- Power Range: 12KV, 200mA AC Power Supply.
- Parameter Display: Capacitance, Tan Delta in %.
Developed a Hardware using 64 Pins PIC18F6527 Microcontroller, 7
Microchip MCP23S17 16Bit I/O Expander IC’s connected to 112
Relays to do Combination of different Windings Turns, Capacitance
and Resistance Ranges, 12 Bit External ADC MCP3201, OPAMP,
High Voltage and Current driver ULN2803, 16x2 LCD Module,
Tactile Switches to do customer personal Settings.
Done the testing using low voltage Prototype of Wheatstone Bridge
Balancing to calculate the value of unknown capacitance. It can
measure 100pF to 10000uF Capacitance with up to 3% tolerance.
2nd
Project: “Blue Star - Turbocor Chillers”
Training Undertaken: Firmware Development using Carel 1Tool (Software Development
suite for Programming the PCO Controllers), PCO3 (Advance Field
Programmable Controller), PGD3 (High Tech User Interface).
Job Responsibilities: Aim was to understand the existing Project, Bugs fixing and
Addition of New Functionality as per Customer Requirement.
Name of Company: VYOM Industries Pune, Maharashtra.
Duration: 10th
May 2012 to 31st
Oct 2012 (6 Months).
Designation: Head Embedded Engineer
Department: Research & Development
Training Undertaken: Software Development of 8 bit Fujitsu Microcontroller.
1st
Project: “Touch Sense Switches”
Job Responsibilities: Aim was to replace Tactile Switch by Touch Sense in our Product.

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Developed a low cost solution using two SS8050 NPN transistor
connected in Darlington Pair so that when we touch to Transistors
Base & VCC line, the output changes the state. If uses capacitive
touch sense then it requires Special Controller, Special PCB and
cost. So Instead of this, I designed it by using only 2 Transistors.
2nd
Project: “Portable Micro USB Mobile Rechargeable Battery Charger”
Job Responsibilities: Aim was to build an external rechargeable battery charger to
charge Mobile Phones. The Vout should be 5.5V & Iout should be
500mA. It should be very small in size & 90% of Efficiency.
Developed Hardware based on XR1151 1.2MHz Step up DC/DC
Converter, MBRA210LTD-D Schottky Power Rectifier, 4.7uF
Inductor. Achieved 87% of Efficiency.
Product Specifications: 1. Capacity: 1800mAh to 3000mAh (18650 Package)
2. Input: 5.5V DC 500mA (USB Micro B Connector)
3. Output: 5.5V DC 500mA (USB Type A Connector)
3rd
Project: “LED Driver Temperature Control”
Job Responsibilities: Aim was to build an external Temperature Control Circuitry which
increases the life of 3W, 5W, 7W, and 9W LED bulb bye limiting the
current of Existing LED Driver Circuitry w.r.to Temperature. The
Brightness change should not be visible to user.
Developed Hardware based on LM358 Operational Amplifier as a
comparator, 3990 100K Temperature Sensor and SS8050 NPN
Transistor. This circuit draws a small current through transistor
when temperature gets above 80o
C, so that LED cluster get cool.
4th
Project: “Home Lighting System”
Job Responsibilities: Aim was to build a Handy Home Lighting System work on
rechargeable batteries. The System should have five outputs (three
1W, one 3W LED Bulbs and one for Mobile Charging) and IR remote
based Dimming Controlling Facility. The Whole System should work
for 2 to 3 hours on full load.
Prepared Schematic based on PIC16F688 Microcontroller.
5th
Project: “Rechargeable Battery Operated Mini 3.5W DC Fan Driver”
Job Responsibilities: Aim was to build a DC Fan Driver which Work on Rechargeable
Battery. The Vout/Iout should be 5.5V/0.8A with 90% of Efficiency.
Developed Hardware based on XR3403 1.2MHz Step up DC/DC
Converter with adjustable switch current, MBRA210LTD-D Schottky
Power Rectifier, 2.2uF inductor. Achieved 92% of Efficiency.
Product Specifications: 1. Capacity: 1800mAh to 3000mAh (18650 Package)
2. Input: 5.5V DC 500mA (Mini Jack Connector)
3. Output: 5.5V DC 800mA (Mini Jack Connector)
6th
Project: Testing of our Solite-42 Product
Job Responsibilities: Aim was to test the Product on different Temperature Ranges, Also
Test the Efficiency, Ideal Current, Upper/Lower Voltage cutoff,
Battery, LED Cluster, Luminance and Charging/Discharging Time.
Done the ISO Documentation of Product.

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Name of Company: Accolade Electronics Pvt. Ltd. Pune, Maharashtra.
Duration: 25th
Jan 2012 to 30th
April 2012 (3 Months).
Designation: Embedded Design Engineer
Department: Research & Development
1st
Project: “Server Room Temperature/Humidity Monitoring System” for our
client “Tata Communication Pvt. Ltd. Mumbai, Maharashtra”
Job Responsibilities: Aim was to Benchmark different “Wi-Fi based Server Room
Temperature/Humidity Monitoring & Controlling System” Products
by different manufactures w.r.to Wi-Fi Module, Features, Mesh
Networking Protocol, Stacks, Gateways for uploading data on
internet, Temperature and Humidity Sensors Used.
2nd
Project: “Whirlpool Water Purifier User Interface” of Refrigerator for our
client “Whirlpool India Pvt. Ltd. Ranjangaon, Pune, Maharashtra”
Training Undertaken: Software Development of PIC Microcontrollers.
Job Responsibilities: Aim was to work such system on two “1.5V AAA 900mAh Duracell
Cell Battery” for 1Year.
Developed software as well as Hardware based User Interface for
Whirlpool Refrigerators using PIC16F688 Microcontroller & MCP
1624 Voltage booster IC. Done the Power Budget calculations.
Microcontroller is 99% in Sleep Mode.
Interfacing Includes: 1. 10 Bit ADC.
2. LED’s and Keys.
3. MCP1624 Voltage Booster to give us a Constant VCC.
Programming Includes: 1. Low Power Sleep Mode when System is not in used.
2. IOC Interrupts Pins for Fast Actions and Waking Up Controller
from Sleep Mode.
3. Pulsating the LED’s to save the Power.
4. Battery Voltage Monitoring through ADC.
5. Cavity life monitoring though Timer.
3rd
Project: “Free cooling” for our client “Emerson Network Power India.
Mumbai, Maharashtra”
Job Responsibilities: Aim was to vary the output voltage from 0V to 10V w.r.to. PWM
Signal generated by Microcontroller and Understands the Project.
Developed Hardware and software using ULN2004 & RC Network
for 0V to 10V output voltage variation w.r.to PWM Signal generated
by Microcontroller PIC18F4620.
4th
Project: “Data Logger” of Refrigerator & Server Room for our client
“Whirlpool India Pvt. Ltd. Ranjangaon, Pune, Maharashtra” and
“Tata Communication Pvt. Ltd. Mumbai, Maharashtra”
Job Responsibilities: Aim was to design data logger, which works on two “1.5V AAA
900mAh Duracell Cell Battery” for 1Year.
Developed Schematic using 20 Pin Ultra Low Power
PIC24F08KA101 Microcontroller having inbuilt RTC. MCP1624
Voltage booster, 24AA64 Low Power EEPROM, SHT15 Humidity and
MCP9701AT Temperature Sensor. Done Power Budget calculations.

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Name of Company: Arucom Electronics Pvt. Ltd. Indore, Madhya Pradesh.
Duration: 1st
July 2011 to 13th
Dec 2011 (6 Months)
Designation: Sr. Embedded Engineer
Department: Research and Development
Job Responsibilities: Aim was to develop Software for advanced weighing machine using
ARM Cortex M3 LM3S3748 Microcontroller with the help of existing
8051 based weighing machine and new functionality additions.
Training Undertaken: Software Developing - C, Embedded C, Assembly, 8051/ARM
Programming & Debugging.
Interfacing Includes: 1. USB: Pen Drives, IBM Keyboards.
2. Displays: Graphic LCD, LCD Display, 7-Seg Display.
3. Memories: Micro SD Card, External Memories (RAM, ROM).
4. Communication Protocols: JTAG, I2C, SPI, UART, RS-232.
5. Synchronization between LM3S3748 & 8051.
6. Switching between 2 or more USB’s.
7. Serial/Parallel Printer, Numeric/Alphanumeric Keypads, RTC,
24 Bit ADC, DAC, LED bank, Buzzer etc.
PROJECT UNDERTAKEN
Title: Multimodal Biometrics using Face & Iris.
Platform: Matrix laboratory (MATLAB).
Duration: 1 Year M.E. (Final Year Project).
Title: GPS Based Call Center Employee Tracking & Security.
Platform: Assembly Language Programming on 8051, Visual Basic.
Duration: 1 Year B.E. (Final Year Project).
TECHNICAL KNOWLEDGE
 C, Embedded C, Assembly.
 8/16/32 Bit any Microcontroller Programming and Device Drivers Implementation.
 Communication Protocols/Technology - Bluetooth, Profibus (Basics), Modbus, CAN
(Basics), RS232, RS485, YMODEM, USB (Basics), I2C, SPI.
 Switchgear Protections & Metering Parameters Calculations.
 Graphical User Interface / Human Machine Interface using QT Creator.
 Carel 1Tool, PCO3 & PGD3 Programming.
 Embedded Product Circuit Designing (Schematics).
 Software used: Keil uvision, Microchip Mplab, Mplab X IDE, Code Composer Studio
IDE, Understand IDE, Nokia QT Creator, MatLab, Carel 1 Tool, Fujitsu Softune, Ride,
TASM, Emulator 8085/8086, Win merge, Tortoise SVN, Blue Terminal, Modscan,
PCAN, Profi Trace, C2Prog, beyond Compare, Wireshark, Ostinato.
 Linux Operating System Concepts and Basics of Shell Scripting.
 Testing Equipments: Megger, Dobel, Omicron, Freja, Zeal, MSO,DSO, Logic Analyzer.
 Image Processing using Matlab.
 PCB Designing using OrCad9.1, Protel99SE, Express PCB.
 Circuit Simulation using Proteus, Micro Cap.
 Product development Life Cycle Management.
EXTRA TRAINING UNDERTAKEN
1. Done 2 months Modular Course in “Embedded C, ARM Programming, Linux” at
Antech Technology Institute, Pune.
2. 3 months course in “C language” at Wizard Systems, Ahmednagar.
3. Training Program “Workshop on SIMOCODE” Conducted by SIEMENS Ltd.
4. National level One Week Short Term Training Program on “Embedded System

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Design” Organized by E&TC Department Sinhgad Academy of Engineering.
5. National level 2 Days Training Program on Mat-lab “MATRIX” Organized by E&TC
Department Sinhgad College of Engineering.
6. Training Program “Workshop on ARM & RTOS” Conducted by SPJ Ltd.
7. Training Program “Workshop on LATEX for Paper Writing” Organized by E&TC
Department Sinhgad College of Engineering.
PUBLICATIONS
1. Sandeep Ekhe and Yugendra Chincholkar, “Improved Face Recognition using PCA and
LDA”, International Technological Conference I-TechCON 2014, V.E.S. Institute of
Technology, Mumbai on 3rd & 4th Jan. 2014.
2. Sandeep Ekhe and Sandipan Narote, “Presented the Paper on “Multimodal
Biometrics”, e-PGCON 2011 National Conference Organized by University of Pune
and MIT, Pune on 26th Apr. 2011.
3. Sandeep Ekhe and Sandipan Narote, “Image Mosaic”, National Conference on
Pervasive Computing, Sinhgad College of Engineering, Pune on 9th
& 10th
Apr. 2010.
EXTRA CURRICULAR ACTIVITIES
1. Active Member of Patent Trend Analysis Group in L&T.
2. Started Knowledge Sharing Sessions on “Electrical Systems and Protection” in L&T.
3. Participated in the Charishma-15 Competition in L&T and the Topic was “New
Business Horizon”.
4. Consistently giving Product Improvement Notes (PIN) and Technical Articles on New
Technologies (Tech Bites) in L&T.
PERSONAL INFORMATION
Date of Birth: 11th
April 1988.
Gender: Male
Marital Status: Married
Nationality: Indian
Passport details: Passport No.: J3397272 valid till 29/11/2020
Languages Known: Marathi, Hindi and English.
Permanent Address: 7, Anandban Colony, B/h Jai Bajarang School, Near Morya Sanskrutik
Kendra, Pipeline Road, Savedi, Ahmednagar – 414003.
DECLARATION
I hereby declare that the above written particulars are true to the best of my
knowledge and belief.
PPllaaccee:: MMuummbbaaii MMrr.. SSaannddeeeepp PP.. EEkkhhee..
DDaattee:: // //22001166 sandeepekhe@gmail.com
sandeepekhe@yahoo.in
Mobile: +91 09970751317