Aug 2024 – Jul 2025 · 11 mos · Chennai, Tamil Nadu, India · On-site

• 1. Predictive Maintenance – Elevators:
• i) Developed edge applications on STEVAL-STWINKITB1 using 6-DoF motion sensors for real-time vibration analysis
• ii) Implemented FFT to detect imbalance/misalignment
• iii) BLE Integration: Built custom BLE profiles and services using the BLUENRG-M2SA chip for sensor data transmission
• 2. Noise Cancellation System:
• i) Designed FIR filters for high-frequency noise suppression on dental drill equipment
• ii) Integrated WM8904 codec for real-time ADC/DAC processing
• iii) Edge Processing: Deployed multi-node MCU network sending data to a Raspberry Pi gateway for cloud upload.
• iv) BLE Integration: Built custom BLE profiles and services using the FSCBT1036C chip for audio data transmission
• v) Battery Management: Developed MAX17055 fuel gauge drivers for real-time battery health monitoring.
• 3. NRF21540-DK BLE Enhancement:
• i) Boosted transmission from 8 dB to 21 dB via Device Tree changes on Zephyr RTOS.
• ii) Built BLE Mesh network on NRF52840 for reliable 100-byte data packet delivery and acknowledgment logging.

Aug 2021 – Jul 2024 · 2 yrs 11 mos · Chennai, Tamil Nadu, India · On-site

• Worked on integrating WiFi modules into the embedded systems.
• 1. Developed a customized application layer tailored to specific requirements.
• 2. Utilized UART (Universal Asynchronous Receiver-Transmitter) communication protocol for reliable data transfer between the MCU and the WiFi module.
• 3. Utilized Network stack and WIFI libraries to streamline the development process.
• 4. Utilized custom board specific RTOS wrapper functions over FreeRTOS-library functions
• 5. AWS Cloud Integration: Integrated the AWS SDK and performed device registration and
• provisioning.
• Data Management in microcontrollers:
• 1. Implemented a customized Data Management (DM) library in the application layer of the Microcontroller.
• 2. Integrated FATFS (File Allocation Table File System) as middleware to establish communication between the application and hardware layers.
• 3. Configured the eMMC (embedded MultiMediaCard) at a low level to optimize data storage on the microcontroller.
• 4. Established core-to-core interaction within the microcontroller, utilizing the SRAM (Static Random-Access Memory).
• GUI application development
• 1. Worked on CRANK storyboard application with LUA programming language.
• 2. Handle Data flow management from front end to back end
• 3. Perform GUI Screen testing using automated python scripts to check & maintain the screen functionalities for different revisions of application development

Jul 2020 – Jul 2021 · 1 yr

• Integrating RTC & Gyroscope modules for infotainment automotive embedded systems
• Handled unit testing for projects with good coverage for the effective stability of code.
• Have hands-on experience in Agile environments, contributing to the development lifecycle by actively participating in the creation and refinement of critical documentation, including System Design Documents (SDD) and Software Requirements Documents (SRD).

Dec 2019 – Jun 2020 · 6 mos

• Smoke testing for the infotainment projects of automotive embedded systems
• Unit testing for cyber security projects

Jun 2018 – Aug 2018 · 2 mos · Chennai