Mohan Gandhi Vinnakota

Embedded software for advanced medical device Motion control: Stepper & Bistable motor drivers on NXP S32K148 with FreeRTOS OOP‑based modular driver design, multi‑threaded real‑time control Display drivers (LT7911, OLED, MIPI), proximity sensors (VCNL4035) Protocols: I²C, SPI, UART, RS‑485, USB, ADC Debugging: JTAG, Segger J‑Link, Logic Analyzers CI/CD with Azure DevOps, Git branching & reviews Testing: SUTS & SITS Languages: C, C++11, Python; Tools: Visual Studio, ARM Cortex‑M

Embedded engineer with BLE, NFC & UWB expertise Indoor Positioning System: EFR32BG22, Simplicity Studio, FreeRTOS, OTA updates, triangulation, low‑power design Airline Baggage Tracking: STM32CubeMX, BLUENRG‑2, NFC, Firestore DB, Java GUI, 2D/3D barcode & QR scanners Windows Apps: C# (.NET), UWP, WPF, DB integration, functional testing Skilled in C/C++, Java, C#, Git, Scrum, embedded Linux, ARM Cortex‑M

• Programmed Bluetooth Low Energy • Bluetooth Low Energy to Android App data transmission • PAN1783 BLE • C programming to develop HAL layers • Bluetooth classic programming to send the Audio transmission • ARM CORTEX-M and Debugging using JTAG • Low level programming in C • C++ in Application Layer • Developed a GUI using JAVA for Windows

• Developed the firmware for copper filter module in C++ which filters the X-Ray source. • Programmed the Encoders from the stepper motors which are responsible for the filter movement. • Calculating the current & target Encoder position of the stepper motor • Worked with Keil µVision IDE • Scrum, Git, Code reviews • Worked in a team with mechanical engineers

• Developed a HW which detects the heart beat rate and the body temperature. • BLE to send the heart beat rate and body temperature to the Android and iOS Apps. • Developed the spike elimination(error) algorithm for Analog to Digital converted data. • Bluetooth classic experience to send audio data between the client and master • Programming in C. • nRF52 BLE module • Developed new services in BLE. • Keil µvision • Git

Developed an ultra-low power Data logger with sensors Temperature & Humidity, Light, Barometer and Accelerometer. Programmed serial flash and SD card to store the data with real time clock. Programmed STM32L053 CORTEX M0, ARM ultra-low power microcontroller. Developed low-level firmware and HAL in C. Baremetal, Application layer in C++. Developed communication protocol to communicate with .NET based PC-Software. Developed the hardware for custom board. Programmed CC3000 Wi-Fi module. Git

To maintain Grid stability and Power quality based on data logged in realtime using Infineon XMC4500 microcontroller. Worked with XMC4500 ARM CORTEX M3 32 bit microcontroller. Developed firmware in C. Analog to Digital conversion.

Worked with ANT+ and BLE. Developed firmware for spike elimination algorithm in analog to digital converted data. Developed new services in BLE. Successfully made communication between central device and peripheral.

main focus is Automation and Energy systems. Subjects includes are Automotive and electrical drive systems, Renewable energy ,Advanced modeling and simulation, control engineering, Theory of digital image processing, Advanced programming technology, Numerical methods

Electronic Devices and Circuits, Computer Networks, Network Analysis, Electrical Technology, Analog, Digital Communication, Radar Systems, Digital Image Peocessing,VHDL,Verilog,8051 Micro Controller, Digital Signal Processing.

Mathematics, Electronic devices &circuits, Electrical technology, Micro processor, T.V, Power electronics, Computer Networks.