Bashar Shaaban

Real-time data collection and analysis of Waterborne Pathogens (Surveillance, Prediction, and Mitigation).

• IoT sensor networks are currently installed in multiple local stormwater systems.
• Sensor fabrication, assembly, on-site installation, and sensor maintenance.
• Analysis, problem-solving, and monitoring for data abnormalities.

Co-led structural manufacturing team under aggressive timelines to build intricate, large-scale mobile robots compliant with precise competitive technical rulebooks.

• Utilized SolidWorks, AutoCAD, and Blender to blueprint structures down to high structural tolerance (1/1000th of an inch).
• Executed manual and automated machining, structural welding, circuit wiring, and custom 3D printing.
• Integrated Java, Python, and C++ codebases for full mobile platform control and remote-control stability.
• Secured top 3 in multiple engineering competitions.
• Designed PCB boards and soldered components.
• Led a team in highschool First Robotics and current member in university robotics clubs.

Created a backyard home theatre with many self-designed and manufactured functionalities.

Building Gazebo Montage

Outside of Gazebo

Inside of Gazebo (day)

Custom Moveable Projector Ceiling Mount

Designed and prototyped projector casing

Designed and prototyped solar panel clip-on for lights

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• Modified gazebo with custom self-designed moveable projector ceiling mount.
• Customized speaker system, karaoke, and entertainment systems with attachments to minimize sound leakage.
• Modded gaming systems from scratch.

I designed from scratch and make 3D printed items for fun, hardware, prototyping, and decorative purposes.

Collaborated in a 5-person engineering team to design, document, and manufacture an autonomous mechanical vehicle capable of negotiating rugged terrain and launching physical targets.

Finalized Cart

Cart test shooting projectile

Electro magnet used to trigger launcher

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• Integrated a custom Magnetic Projectile Firing mechanism engineered for high targeting accuracy using a bolt, copper wire, and a battery.
• Programmed embedded system layouts and microcontrollers in C++ utilizing Arduinos.
• Achieved the highest overall manufacturing and performance design score out of several hundred competing engineering teams.

Designed and built a real-time digital voltmeter utilizing a Raspberry Pi 4B, an ADS1015 ADC via I²C communication, and a 3-digit 7-segment LED display driven by NPN transistor multiplexing.

Multiplexed 7-segment LED display with transistor drivers and Raspberry Pi setup

Tektronix MSO 2024B Oscilloscope verifying 0V to 3V step response signal

BK Precision 4017A Function Generator delivering a 2 Hz test signal

Raspberry Pi terminal running C program with real-time ADC voltage outputs

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• Engineered low-level C code utilizing the lgpio library to manage I²C read/write operations with an ADS1015 12-bit ADC on the Waveshare SenseHAT module.
• Implemented time-division multiplexing above 50 Hz to drive a common-cathode 3-digit 7-segment display without visible flicker.
• Designed NPN transistor switching stages (2N2222) and 320Ω current-limiting resistors to isolate low-power GPIO outputs from high-current LED loads.
• Calibrated and validated accurate continuous DC voltage measurement (0.00V to 3.00V) against a Tektronix MSO2024B Oscilloscope and BK Precision Function Generator.

Designed and implemented a 4-bit Arithmetic Logic Unit (ALU which is a sub-circuit in the CPU) using 4 button inputs hierarchical VHDL on a Xilinx Nexys 3 FPGA development board, integrating multi-mode arithmetic/logic selection and a 7-segment output display from scratch.

Digilent Nexys 3 FPGA board running the VHDL ALU design with active switch inputs and 7-segment LED output

Hierarchical block diagram showing 1-bit ALU stages, B-input logic multiplexing, full adders, and 7-segment decoder

Xilinx ISim timing waveform verifying ALU function select outputs, carry-out behavior, and testbench cases

K-map derivations and truth table specifications for arithmetic and logic selection modes

Finite State Machine (FSM) state transition table mapping state variables (Q2, Q1, Q0), input X, and next states (S0–S4) for sequential control logic

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• Engineered a 4-bit single-stage ALU in VHDL using a modular design approach composed of full adders, B-input logic stages, a 2-to-1 mode multiplexer, and a 7-segment decoder.
• Implemented 16 distinct operations via mode selection line S_2 (Arithmetic vs. Logic) and selection controls S_1, S_0, C_in, including 4-bit addition, subtraction, transfer, bitwise AND, OR, XOR, and 1's complement.
• Simulated and verified system timing using Xilinx ISim testbenches, validating arithmetic calculations, carry-out flags C_out, and boundary conditions across all select modes.
• Mapped User Constraint Files (UCF) to program DIP switches for inputs A and B, pushbuttons for mode selection, and onboard common-cathode 7-segment displays for hexadecimal output visualization on the Nexys 3 FPGA.

Designed, modeled, and developed various toys for educational and recreational purposes.

• Created detailed exploded views, and linked assemblies.
• Collaborated effectively in a team environment to deliver quality projects on time.
• Used Solidworks for 3D modeling, design, and simulation.
• Recieved a Solidworks Certification officially proving proficiency and practical modeling skills in using SolidWorks 3D CAD software.

Designed, simulated, and evaluated P, PD, and PID controllers in MATLAB and on physical hardware to precisely control the position of a DC motor, optimizing dynamic transient response and eliminating steady-state error under step and ramp inputs.

Physical DC motor test bench with optical encoder and motor drive circuit

MATLAB step response showing tuned PD controller dynamics with zero overshoot

Root Locus plot and Routh-Hurwitz calculations determining proportional gain bounds

Type 2 PID closed-loop response eliminating steady-state error during ramp tracking

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• Modeled continuous open-loop transfer functions for a hardware DC motor and applied Routh-Hurwitz criteria to define closed-loop stability limits.
• Tuned a Proportional (P) controller (K_p = 4.875) to achieve steady-state step response target while maintaining overshoot under 20%.
• Designed a Proportional-Derivative (PD) controller (K_p = 14.52, K_d = 0.241) that eliminated overshoot (%OS = 0) and reduced settling time to 0.047s.
• Developed a PID controller in MATLAB to elevate system dynamics to Type 2, eliminating steady-state error (e_{ss} = 0) during ramp tracking.

Created a Robotics Demo Maze for educational purposes. It includes various elements to engage students in learning robotics concepts.

Demo of the Robotics Maze

Maze Overview

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• Coded and created the robotics maze from scratch utilizing C++, Arduino, and other components.
• Highly enjoyed and favoured by students and educators alike in club events.

Created a fully customized computer case, components, and parts to create a unique build for optimized airflow and performance. Still work in progress.

Preprietary Refurbished Apple Computer Conversion Casing to be modded for ATX

Custom PSU, wiring and fitting

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• Creating a fully customized computer case, componenets, and parts to create a unique build.
• Self Customized and wired Power Supply Unit.
• Custom 3D printed parts to fit and secure components.

Independently designed and built a physical tracking/targeting mechanical device operated via a manual joystick configuration.

• Coded device behaviors from scratch using C++ (with a secondary C# version) to achieve 270-degree 3D rotational accuracy.
• Assembled the structural mechanism with a limited custom-parts inventory, executing manual wiring, hardware soldering, and designing a makeshift integrated power cell.