Engineer Electrical Engineering

Dinesh Ravilla

*** ****** ******, #***, **********, OH; ******.********@*****.***; +1 (513) 885 – 2599 Summary

Results-oriented Embedded Engineer with 2 years of experience in design development and implementation of various embedded software systems. Experienced at designing and building applications with usability and high performance. Experience

Senior Embedded Software Engineer, Radiance VR, Inc., Cincinnati, OH June 2017 – Current

• Involved in creating the electrical design for prototypes of wearable computing hardware device and PCBs.

• Designed, simulated and tested digital and analog circuits required in the development process.

• Integrated sensors (IMU, GPS), camera components and video interface with Raspberry Pi. Programmed in Python. Embedded HW & SW Engineer, Hyperloop UC, Cincinnati, OH Dec 2016 – June 2017

• Member of Transponics team. Designed and implemented protection circuits for Arduino.

• Designed and implemented a motor controller (powered by Arduino) which runs a linear actuator.

• Developed a simple Battery Management System (BMS) to protect the battery from damage during operation. Integrated sensors (Force Sensitive Resistors, Temperature, RTC) with Arduino. I2C, UART implementation. Senior R&D Engineer, Center for Electronics and IT Research, Bangalore, India June 2015 – Aug 2015

• Designed and developed Automatic Door Access Control System using Cypress PSoC5 with capacitive touch.

• Worked on RTOS – Wind River Systems VxWorks, for a brief period. Project Intern (Embedded Systems - IoT), Yuktix Technologies Pvt Ltd, Bangalore, India Dec 2014 – May 2015

• Developed a solar powered weather station using PIC and Arduino Microcontrollers, which is being used in Greenhouses to monitor the weather. Designed and implemented the solar circuitry for the system.

• Integrated temperature sensor (SHT51), Pressure Sensor (BMP), Humidity Sensor (DHT), wind speed, rain measurement

(tipping bucket mechanism with magnetic reed switch) and Real Time Clock (DS1307) with PIC16f microcontroller.

• Interfaced numeric keyboard, 16x2 LCD and 7-segment display with PIC16f using I2C communication protocol. Education

University of Cincinnati, CEAS – Electrical Engineering May 2017 Master of Engineering - VLSI Design / Embedded Systems Ohio, USA National Institute of Technology – Electrical Engineering June 2014 Master of Technology - Power Electronics Calicut, India Sri Venkateswara University – Electrical and Electronics Engineering May 2012 Bachelor of Technology Tirupati, India

Skills

Programming: C, Embedded C, C++, Verilog, VHDL, Perl, Shell (Scripting), Python. Communication Protocols: I2C, SPI, RS232, RS485, UART, Bluetooth, ZigBee, MODBUS, CAN, LIN. Tools: MPLAB-X, Arduino, MATLAB/Simulink, Altera ModelSim, Eagle, HSPICE, Xilinx Vivado, Keil, lab equipment, MS Excel. Worked On: 8051, PIC, AVR, ARM, Arduino, Raspberry Pi, Linux, Altera DE0 Nano SoC, Cypress PSoC5, FPGA. Relevant Projects

Space Vector Pulse Width Modulation Switching Inverter (PIC, MATLAB, Hardware)

• Used MATLAB/Simulink for simulation and implemented hardware. The switching signals for the IGBTs in the inverter are generated from PIC18f microcontroller.

• Gives better fundamental voltage and harmonic performance compared with other PWM schemes. ALU and Traffic Light Controller (Verilog, ModelSim, FPGA)

• RTL Design of a traffic light Controller and 4-bit ALU for the required specifications. Implemented on Altera DE0 Nano SoC using Quartus II and validated on Cyclone V FPGA. Programmed in Verilog, simulated in ModelSim. Design Automation Tool for Bipartition, Placement and Routing of cells (C++, GCC MINGW Compiler, MAGIC)

• Used Kernighan - Lin Algorithm for Placement, tested on 50000 cells and 500000 nets successfully.

• Implemented Force Directed algorithm for placement on 1000 cells and reduced wire length by 70%.

• Performed routing on 1000 nets for these cells using Lee’s Maze Routing Algorithm and achieved 90% routing.

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