📊 Instrumentation & Measurement Engineering

Precision Engineering Through Data & Measurement

Engineering student at Palm Beach State College specializing in instrumentation systems, sensor technologies, and precision measurement techniques. Aerospace industry experience at Logus Microwave with expertise in RF switches, MUX systems, automated testing with LabVIEW, MATLAB circuit simulation, and DoD-compliant test procedures. Turning physical phenomena into actionable data through advanced transducers, signal processing, and custom software solutions.

Shiloh Casarella
7+
Lab Projects Completed
15+
Instruments Mastered
100%
Commitment to Precision

Engineering Projects

Hands-on laboratory work in instrumentation and measurement, showcasing expertise in transducer systems, signal conditioning, and data analysis.

⚖️

Force Measurement Using Load Cells

Strain Gauge-Based Force Transduction

Investigated load cell behavior across weight ranges using strain gauge technology. Analyzed static characteristics including zero drift, sensitivity, linearity, and repeatability. Demonstrated mechanical-to-electrical signal conversion principles.

Load Cells Strain Gauges DMM Wheatstone Bridge
25-50 lb Capacity Range
±2% Accuracy
📈

Pressure Transducer Analysis

Voltage vs. Current Output Comparison

Compared voltage and current output pressure transducers across multiple pressure ranges (30, 50, 100 PSI). Evaluated transmission characteristics, noise immunity, and signal integrity for long-distance applications.

PX309 Series 4-20mA 0-5V Output Air Compressor
3 Pressure Ranges
1V/20psi Sensitivity
🌡️

Temperature Signal Transmitters

Thermocouple & RTD Calibration Systems

Created detailed instruction manuals for OMEGA TX91A-K9 (thermocouple) and TX94 (RTD) transmitters. Performed zero and span calibration using ice point and dry block systems. Documented 4-20mA loop configuration procedures.

Thermocouple RTD 4-20mA Loop Calibration
0-150°C Temp Range
7.3mA @ 30°C
🎛️

Signal Processing with Filters

Frequency Domain Analysis Using LabVIEW

Designed and tested low-pass, high-pass, band-pass, and band-stop filters using National Instruments hardware. Generated Bode plots to analyze frequency response, cutoff frequencies, and attenuation characteristics.

LabVIEW NI Elvis Bode Plots RC Circuits
4 Filter Types
-3dB Cutoff Point
〰️

Frequency Analysis via Lissajous Patterns

Unknown Signal Characterization Methods

Determined unknown signal frequencies using Lissajous pattern analysis, frequency counters, and period calculation methods. Operated oscilloscopes in XY mode to identify frequency ratios and phase relationships.

Oscilloscope XY Mode Frequency Counter Pattern Recognition
25.41 kHz Unknown Signal
3 Methods Used
🔧

Strain Gauge Installation & Testing

Force Sensing Through Material Deformation

Bonded strain gauges to metal beams, configured Wheatstone bridge circuits, and measured bending stress responses. Analyzed gauge factor relationships and characterized sensitivity across weight increments (0-400g).

Strain Gauge Soldering Adhesive Bonding Signal Conditioning
-0.00757 mV/gram
400g Max Load
📊

Multi-Axis Strain Measurements

Tensile, Torsion, and Bending Analysis

Operated GUNT strain gauge training system to apply three stress types. Recorded and plotted output signals, calculated sensitivity (33.45 mV/N for bending), and analyzed static characteristics across force ranges.

GUNT System Tensile Testing Torsion Bending Analysis
3 Stress Types
33.45 mV/N Sensitivity

Professional Experience & Background

Hi, my name is Shiloh and I am in the aerospace industry at Logus Microwave, where I support the manufacturing and assembly of switches from start to finish. I have a deep understanding of the military and space requirements for electronics.

🛰️

Aerospace Testing & Manufacturing

Logus Microwave | RF Test Lab | DoD Contractor

  • Supported switch manufacturing and assembly from start to finish
  • Conducted initialization testing of DC and RF parameters
  • Performed thermal shock testing to emulate extreme space conditions in dynamic environments
  • Tested storage and operational conditions in static environments
  • Executed vibration testing for rocket launch simulations
  • Conducted power testing and final baseline verification
  • Deep understanding of military and space-grade electronics requirements
  • RF switch testing and fundamental knowledge
  • MUX (Multiplexer) systems experience
  • Created custom testing equipment for RF applications
  • Humidity chamber operation and maintenance
  • RF Test Lab operations and procedures
  • Worked directly under Electrical Engineer in Research and Development department
  • Department of Defense (DoD) company experience with security protocols
🎖️

Military Experience

United States Marine Corps

  • Supported radio operations and mission-critical objectives
  • Developed discipline, teamwork, and problem-solving skills
  • Experience in high-pressure, precision-critical environments

Software & Automation Engineering

Test Automation | Software Design | Data Analysis

  • LabVIEW: Extensive experience designing user interfaces and automated testing software
  • Database editing and interaction: Created automatic testing setup for comprehensive test execution
  • User interface design: Designed custom testing software applications
  • MATLAB: Circuit simulation experience, primarily electrical circuit analysis and modeling
  • Lab-level technical report writing with professional documentation standards
  • Data visualization and graph generation for test results and analysis
  • Test automation framework development and implementation
🔌

Electrical & Power Systems

Technical Expertise

  • AC/DC systems design and troubleshooting
  • Signal conditioning and processing
  • Electrical power systems implementation
  • Foreman of irrigation design and installation crew
🎨

Additional Skills

Diverse Skill Set

  • Bilingual: Able to connect and communicate ideas with all employees
  • Graphic Design: Visual communication and presentation skills
  • Video Editing: Technical documentation and training materials
  • Leadership: Crew management and project coordination

I believe my diverse background—combining aerospace testing, military discipline, electrical systems expertise, bilingual communication, and creative skills—makes me a valuable asset to any organization seeking a well-rounded engineering professional who can bridge technical and operational requirements.

Technical Skills

Comprehensive knowledge in instrumentation systems, sensor technologies, and measurement techniques acquired through intensive laboratory work.

🔬 Instrumentation

  • Load Cells & Strain Gauges
  • Pressure Transducers
  • Thermocouples & RTDs
  • Signal Transmitters
  • Wheatstone Bridge Circuits

📡 RF & Testing Systems

  • RF Switches & Fundamentals
  • MUX (Multiplexer) Systems
  • DC & RF Parameter Testing
  • Thermal Shock Testing
  • Vibration Testing
  • Environmental Chambers

💻 Software & Programming

  • LabVIEW (UI Design & Automation)
  • MATLAB (Circuit Simulation)
  • Database Editing & Interaction
  • Test Automation Development
  • User Interface Design
  • Data Visualization & Graphing

🛠️ Lab Equipment

  • Digital Multimeters (DMM)
  • Oscilloscopes (Keysight)
  • Function Generators
  • Frequency Counters
  • NI Elvis 2 Platform
  • Humidity Chambers

Electrical Systems

  • AC/DC Power Systems
  • Signal Conditioning
  • 4-20mA Current Loops
  • Filter Design (LP/HP/BP/BS)
  • Sensor Calibration
  • Circuit Simulation

📝 Professional Skills

  • Lab-Level Report Writing
  • Technical Documentation
  • DoD Security Protocols
  • R&D Project Development
  • Bilingual Communication
  • Graphic Design & Video Editing

Let's Connect

Interested in collaborating on instrumentation projects or discussing measurement engineering? I'd love to hear from you.