What?

• Designed a simple breakout board for the ESP32 microcontroller, aimed at beginners and educators learning PCB design.

• Breaks out all essential ESP32 pins, features a compact and beginner-friendly layout, and is fully designed in KiCad.

How?

• Created schematic and PCB layout in KiCad, focusing on clarity and accessibility.

• Included clear labeling, straightforward routing, and accessible pin headers for easy prototyping and hardware experimentation.

Results

• Provided a practical breakout solution for ESP32 projects, reducing prototyping friction and helping new users understand PCB workflows.

• Facilitated plug-and-play usage and supported rapid prototyping, making it ideal for educational settings and DIY electronics.

What?

• Designed a compact PCB that converts +5V input to a regulated +3.3V output using a MIC5317 low-dropout (LDO) voltage regulator.

• Features JST GH connectors for easy integration and 1uF ceramic capacitors for noise filtering and stability.

How?

• Created the schematic and PCB layout using ECAD tools, optimizing for minimal footprint and reliable power delivery.

• Incorporated supporting components (capacitors, connectors) and ensured proper grounding and trace routing for stable operation.

Results

• Delivered a reliable +3.3V power supply module for embedded or IoT projects, simplifying voltage level conversion from standard +5V sources.

• Facilitated plug-and-play usage in prototyping and final products, reducing design time and risk of voltage mismatches.

What?

• Developed a Perl-based tool to analyze and lint SPICE netlist files for electronic circuit simulation projects.

• Designed to catch common syntax errors, enforce naming conventions, and highlight potential design issues before simulation.

How?

• Utilized regular expressions and rule-based parsing to scan netlist files for errors and style inconsistencies.

• Provided clear, actionable feedback to users to streamline the debugging process for analog and digital circuit designs.

Results

• Improved productivity for circuit designers by reducing time spent on manual netlist checks.

• Enhanced the reliability of SPICE simulations by ensuring netlists adhere to best practices before running.

What?

• Developed a MATLAB suite for designing, analyzing, and verifying lead and lag compensators as well as plant response modeling for control systems.

• Automates controller design and analysis, generating Bode plots, step responses, and providing hardware dial recommendations.

How?

• Features separate scripts for plant modeling, lag compensator design, and lead compensator design, each providing iterative tuning and quantitative performance metrics.

• Integrates with MATLAB's Control System Toolbox for plotting and analysis, and validated results with hardware experiments.

Results

• Enables rapid prototyping, accurate controller tuning, and in-depth frequency/time-domain analysis for academic or practical control systems projects.

• Used to successfully design compensators for real-world hardware, supporting reliable plant response and controller evaluation.

What?

• Designed and built a 4-bit binary adder circuit using discrete logic gates to perform multi-bit binary addition as a foundational digital logic system.

• Integrated an 8-position DIP switch to input two 4-bit binary numbers and output the 5-bit result on five individual LEDs.

How?

• Analyzed and minimized logic expressions using Karnaugh maps and Boolean identities to implement efficient sum and carry functions for a 4-bit ripple-carry adder.

• Utilized SystemVerilog to design the 4-bit adder at the structural level, simulated the circuit to verify functionality, and synthesized the design to generate a hardware layout.

• Selected appropriate IC logic gates (e.g., 74LS series) by referencing datasheets to confirm voltage thresholds, pinouts, and fan-out limits for safe and reliable operation.

Results

• Successfully constructed and tested a fully functional 4-bit adder circuit capable of accurately computing binary sums with carry propagation.

• Produced a compact and organized breadboard layout that enabled clear signal tracing and improved fault detection during verification.

• Gained practical proficiency in digital logic design, IC component selection, and hardware troubleshooting for fundamental arithmetic logic unit (ALU) operations.

What?

• Designed and built a reservoir simulator system using an STM32 Nucleo board as the central control unit to emulate water flow management in a reservoir environment.

• The system can measure water level, display the percentage full, control water flow direction, simulate water pumping, monitor pump speed, indicate flow direction, and transmit real-time measurements to a computer through a UART connection.

How?

• Programmed the STM32 microcontroller in C to collect and process accelerometer data for precise vehicle performance analysis.

• The system incorporates a servo motor, DC motor, ultrasonic sensor, RPM speed sensor, RGB LED, UART connection, and a custom Timer PCB for driving a seven-segment display.

Results

• Achieved a fully functional reservoir simulator capable of displaying real-time water level percentage and simulating dynamic flow control.

• Enabled accurate and responsive feedback on reservoir conditions using sensor data, motor control, and UART communication.

• Demonstrated effective integration of embedded systems with sensors and actuators to model practical water management scenarios.

What?

• Developed a custom PCB using Altium to integrate an STM32 microcontroller with an accelerometer sensor, SD card mount, and LCD display.

• Measured acceleration of the Baja Sae vehicle for understanding and improving vehicle dynamics.

How?

• Programmed the STM32 microcontroller in C to collect and process accelerometer data for precise vehicle performance analysis.

• Collaborated with the Baja SAE team to ensure the sensor system provided reliable and accurate data for vehicle behavior under different conditions.

Results

• Achieved accurate accelerometer data collection with ±5% precision in x, y, and z axis readings.

• Enabled real-time vehicle performance analysis through CSV export, contributing to the overall success and safety of the Baja SAE vehicle.

What?

• Developed a digital timer circuit that counts down from a manually inputted value using a DIP switch and displays the elapsed time on a seven-segment display.

• Integrated a buzzer to indicate when the countdown finishes, providing an audible alert.

How?

• Designed the circuit schematics using Altium, incorporating components such as a BCD counter, quad NOR gate, dual D flip-flop, and MOSFET.

• Assembled the PCB using both surface-mount and through-hole soldering techniques, ensuring reliable connections.

• Tested and debugged the circuit using Proteus simulations and lab instruments, including a digital multimeter and oscilloscope, to troubleshoot and resolve short-circuit issues.

Results

• Successfully developed a fully functional digital timer, with precise countdown functionality and an accurate display system.

• Ensured proper circuit operation and robust construction by debugging and testing, leading to a reliable, practical timer for various applications.

What?

• Developed a functional prototype for an environmental analyzer designed to collect ecological data that affect the surrounding plants and vegetation.

• Gardeners and plant-owners can easily access light, tempurature and humidity data on an LCD screen.

How?

• Programmed the project in C to interface with sensors and output data.

• Assembled an I2C Interface Board and connected sensors using soldering techniques for reliable connections.

Results

• Achieved ±3% humidity, 1 lux light, and 0.5°C temperature accuracy.

• Designed to be temperature-resistant up to 50°C and portable, weighing less than 2.5 kg.

What?

• Assembled an Ender 6 3D printer for reliable additive manufacturing.

• Modified to enhance performance and additional features, such as lighitng, better accuracy and remote control.

How?

• Integrated a Raspberry Pi with OctoPrint for remote control and monitoring of prints.

• Installed LED strips, a Magnetic Flexible Build Plate, and replaced various components to optimize printing capabilities.

Results

• Achieved a versatile and precise printer with a speed of 150mm/s and 0.1mm accuracy.

• Enhanced reliability and functionality through custom modifications.