Projects - Brunda Marpadaga

Selected Projects

Embedded Linux Firmware Bring-Up on Zynq SoC

Brought up Embedded Linux on Zynq-7000 using PetaLinux. Integrated AXI GPIO and IIC, wrote C firmware for peripheral control, debugged device-tree and kernel drivers, and validated PS–PL interfaces.

Technologies: Zynq-7000, PetaLinux, AXI, Device Tree, C, Linux Kernel Drivers

Key Achievements:

Successfully integrated custom hardware peripherals with Linux kernel
Debugged and resolved device-tree configuration issues
Validated PS-PL data transfer interfaces

View Project on

LED Intensity Control System with PID Feedback Loop

Developed a real-time LED intensity control system using MicroBlaze soft processor on Nexys-A7 FPGA. Implemented PID control loop with TSL2561 light sensor feedback and FreeRTOS task management for precise luminosity regulation through PWM-controlled LED output.

Technologies: MicroBlaze, Nexys-A7 FPGA, FreeRTOS, TSL2561 Sensor, I2C, PID Control, PWM, C

Key Achievements:

Designed and implemented PID controller for closed-loop light intensity regulation
Developed custom I2C driver for TSL2561 light sensor integration
Implemented FreeRTOS tasks for sensor reading, PID computation, and PWM control
Achieved stable light intensity control with minimal overshoot and fast settling time

View Project on

Smart Transit Display (Android + ESP32 + MQTT)

Built an Android app using Jetpack Compose and MVVM. Integrated TriMet APIs and MQTT communication with an ESP32 display for real-time transit information.

Technologies: Android, Jetpack Compose, MVVM, ESP32, MQTT, TriMet API, Kotlin/Java

Key Achievements:

Integrated real-time public transit APIs
Established reliable MQTT communication between mobile app and ESP32
Designed clean, modern UI with Jetpack Compose

Project Videos:

📹 Android App Demo - My contribution showcasing UI and MQTT communication

📹 Full System Demo - Complete project with ESP32 display (team collaboration)

Oh, and I built this website too 😉

Want to learn more about these projects or discuss potential collaborations?

Get in Touch

Coding Journey

I believe in quality over quantity, but I also believe in staying consistent and learning by doing. Now that I've graduated, I've challenged myself to be more consistent with coding and working on projects. Here's a snapshot of my GitHub activity:

View my profile