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Prabhu R

Prabhu R

Firmware engineer

Engineering / Architecture

Tanjore, Thanjavur

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About 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.

Experience

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

Education

B.Sc Computer Science

IIT Madras - BS Degree (Foundation Level)

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