DSO (Digital Storage Oscilloscope) Design
Design and build a 20 MHz digital storage oscilloscope with a 100 MSPS ADC, FPGA trigger, and touchscreen display.
Electronics EngineeringArbitrary Waveform Function Generator
Build a 25 MHz arbitrary waveform generator with DDS architecture, sine/square/triangle/custom waveforms, and frequency sweep.
Electronics EngineeringProgrammable Lab Power Supply
Build a professional 30V/5A programmable bench power supply with constant voltage/current modes, digital readout, and OVP/OCP protection.
Electronics EngineeringPCB Design and SMT Assembly
Design and fabricate a 4-layer mixed-signal PCB in KiCad with impedance-controlled traces, stencil assembly, and reflow soldering.
Electronics EngineeringRF Transceiver and SDR
Build a software-defined radio receiver from 500 kHz to 1.7 GHz using RTL-SDR hardware, GNU Radio signal processing, and custom antenna design.
Electronics EngineeringBattery Management System (BMS)
Design and build a full-featured BMS for a 7S Li-ion battery pack with cell balancing, SOC estimation, temperature protection, and CAN bus telemetry.
Electronics EngineeringClass-D Audio Amplifier Design
Design and build a 200W Class-D audio amplifier with digital input, gate drivers, LC output filter, and THD measurement.
Electronics EngineeringBLDC Motor Controller (FOC)
Implement Field-Oriented Control (FOC) for a BLDC motor with real-time current sensing, encoder feedback, and position/speed/torque control modes.
Electronics EngineeringPulse Oximeter Design (SpO2)
Design a clinical-accuracy pulse oximeter using AFE4490 analog front end, dual-wavelength LED, and Beer-Lambert law oxygen saturation algorithm.
Electronics EngineeringFlyback SMPS Design
Design a 65W flyback power supply from AC mains with isolation, active clamp, synchronous rectification, and < 1% load regulation.
Electronics EngineeringAntenna Design and RF Propagation
Design, fabricate, and characterize multiple antenna types (dipole, Yagi, patch, helical) using NanoVNA measurement and HFSS simulation.
Electronics EngineeringHigh Voltage Power Supply (Geiger Counter)
Build a 400V high-voltage power supply for a Geiger-Müller tube radiation detector with pulse counting and dose rate display.
Electronics EngineeringFPGA Digital Design and Implementation
Implement a complete SoC on FPGA including CPU (RISC-V core), UART, SPI, VGA controller, and custom digital signal processing accelerators.
Electronics EngineeringMPPT Solar Charge Controller
Design a 40A MPPT solar charge controller with Perturb & Observe algorithm, multi-stage battery charging, and efficiency > 97%.