Lalitha S

Embedded Software Engineer @Xgare Technologies

US

Electric Smart Toothbrush Developed software for Philips Sonicare Smart Power Toothbrush using the STM32WB55 chip for BLE communication. The toothbrush securely transfers brushing session data to the Sonicare mobile app via BLE, enabling features like a mouth map and dental health monitoring.Responsibilities:Integrated the Phillips Condor wireless connectivity library into the Cairo project, ensuring seamless BLE communication.Developed and optimized BLE ports to facilitate secure and efficient communication between the toothbrush and the mobile application.Designed and implemented firmware solutions for low-power operation to extend battery life.Provided a software interface for the wireless module in collaboration with the Architect, ensuring modular and maintainable code.Conducted extensive testing and validation using Ellisys BLE Tracker, oscilloscopes, and protocol analyzers.Conducted extensive debugging and testing using logic analyzers, oscilloscopes, and protocol analyzers to validate BLE communication and power efficiency.Developed Over-the-Air (OTA) firmware update mechanisms to ensure remote updates without manual intervention.Utilized Agile methodologies, including sprint planning and retrospectives, to ensure efficient project execution and continuous improvement.