Ahmad Sadi

Reconfigurable RF Reflectarray for WiFi Coverage Enhancement

• Designed PCB reflectarray using varactor diode tuning network
• Simulated RF behavior using ANSYS HFSS
• Designed RF reflectarray system to redirect WiFi signals into coverage gaps

Closed Loop TEC Temperature Control System 

• Designed temperature control system using TEC module and Arduino
• Implemented DS18B20 sensor feedback and MOSFET control
• Developed PCB and control algorithm for stable closed-loop temperature regulation

Embedded Microcontroller PCB LED Control System

• Designed microcontroller-based LED control PCB using KiCad
• Created schematic, PCB layout, and generated Gerber fabrication files
• Performed electrical rule checks and optimized component placement

FPGA-Based Arithmetic Logic Unit (Verilog)

• Designed and simulated a 4-bit arithmetic logic unit using Verilog
• Verified functionality using ModelSim testbenches
• Implemented arithmetic and logical operations across 20+ test cases