Prabhu R

Firmware Engineer with hands-on experience building and shipping battery-powered loT devices in production. Strong in embedded C, FreeRTOS, low-power design, sensor integration, and cellular communication. Experienced in debugging real-world issues like thermal drift, power anomalies, and charging-related failures.

Firmware Engineer - Waggle (2023 - Present)

• Developed production firmware for battery-powered IoT devices using FreeRTOS
• Integrated temperature, humidity, and AQI sensors with power-aware sampling
• Designed temperature compensation algorithms for charging and button-press heat spikes
• Implemented EMA filtering to stabilize sensor readings
• Built secure cellular communication using Telit modem and SSL
• Implemented USB CDC firmware update mechanism
• Resolved field issues via firmware-only fixes without hardware changes

B.Sc Computer Science

IIT Madras - BS Degree (Foundation Level)