Hardware Intern
Norsat International
RF characterization and hardware testing for satellite communication systems
Hardware Intern
Norsat InternationalRF characterization and hardware testing for satellite communication systems
- Characterized Ku-Band Block-Up Converters (gain, Psat, P1dB, spurious, IMD3, noise figure) using VNAs, signal analyzers, oscilloscopes, and multimeters to ensure 100% compliance with hardware specifications.
- Optimized RF power module stability by precisely sweeping DAC control codes, significantly reducing variance in output power prior to final acceptance testing.
- Assembled and troubleshot BUCs and LNBs at the PCBA level, performing microscopic SMT and THT soldering and inspection to maintain quality standards for high-sensitivity MMIC chips.
- Verified and troubleshot SSPA boards by conducting continuity tests and cross-referencing schematics to identify and rectify DC bias instability, ensuring 100% yield for high-power MMIC stages.
Laser Timing Gates
Formula UBC Racing
End-to-end development of 650 nm laser gate receivers with ESP32-S3 MCUs
GitHub
Laser Timing Gates
Formula UBC RacingEnd-to-end development of 650 nm laser gate receivers with ESP32-S3 MCUs
GitHub
- Led end-to-end development of a laser receiver, including optomechanical shrouding coupled with a custom 3.3V CMOS analog front end and 2.4GHz communication between master-slave ESP32-S3 MCUs to calculate speed and lap times.
- Characterized baseline photodiode thermal dark current and TIA voltage noise to calibrate an adjustable hysteresis threshold via potentiometer, targeting a 20dB SNR and BER < 10−7 to ensure high-speed data integrity.
Interrupt-Driven Alarm Clock
Academic Project
Real-time settable clock using 16.6 MHz oscillator with timer-driven interrupts
GitHub
Interrupt-Driven Alarm Clock
Academic ProjectReal-time settable clock using 16.6 MHz oscillator with timer-driven interrupts
GitHub- Engineered a real-time settable clock using a 16.6 MHz oscillator to drive timers and interrupts.
- Utilized Timer 0 to generate a stable 2 kHz square wave for audio signaling and Timer 2 to manage high-precision half-second BCD clock increments.
- Interfaced a 4-bit LCD for time/alarm display and implemented a sampling-based debouncing algorithm coupled with decoupling capacitors for pushbutton inputs to eliminate noise.
Temperature Telemetry System
Academic Project
High-precision temperature sensing with RS-232 telemetry and real-time visualization
GitHub
Temperature Telemetry System
Academic ProjectHigh-precision temperature sensing with RS-232 telemetry and real-time visualization
GitHub- Designed a high-precision analog front-end by interfacing an LM335 sensor with a 12-bit SAR ADC, utilizing an LM4040 external voltage reference (VREF=4.096V) to eliminate measurement instability inherent in internal band-gap references.
- Engineered a 32-bit assembly math library to execute voltage-to-temperature transfer functions via integer-scaling, enabling 115.2 kbps telemetry transmission via RS-232 to a custom Python suite for real-time data visualization.
RISC-V Single Cycle CPU
Academic Project
Single-cycle RISC-V processor with assertion-based verification on Altera FPGA
GitHub
RISC-V Single Cycle CPU
Academic ProjectSingle-cycle RISC-V processor with assertion-based verification on Altera FPGA
GitHub
- Architected and implemented a single-cycle RISC-V processor in SystemVerilog with MMIO on Altera's DE10-Lite with functioning register file, ALU, and control unit, supporting a 10-instruction subset of the RISC-V ISA.
- Wrote a self-checking non-synthesizable testbench with assertion-based verification to verify instruction-level correctness and used Questa to trace signals through the synchronous timing datapath.
Tron Light Cycle Game
Academic Project
Custom VGA driver with interrupt-driven controls and autonomous opponent AI
GitHub
Tron Light Cycle Game
Academic ProjectCustom VGA driver with interrupt-driven controls and autonomous opponent AI
GitHub
- Developed a custom VGA graphics driver using Memory-Mapped I/O (MMIO) to manage frame buffers, rendering dynamic light traces and maintaining real-time pixel updates at VGA timing constraints.
- Implemented interrupt-driven input handling via an ISR to handle asynchronous pushbutton events, reducing input latency compared to traditional polling.
- Engineered an autonomous robot opponent with predictive collision logic, performing real-time memory reads of the VGA buffer to scan for obstacles and update movement vectors.
Reflow Oven Controller
In Progress
Closed-loop thermal control using thermocouple feedback and PWM power regulation
Reflow Oven Controller
In ProgressClosed-loop thermal control using thermocouple feedback and PWM power regulation
- ⏳ Work in progress — check back mid-February!
Autonomous Field-Following Robot
In Progress
Mobile robot with magnetic field detection and collision avoidance
Autonomous Field-Following Robot
In ProgressMobile robot with magnetic field detection and collision avoidance
- ⏳ Work in progress — check back early April!