Portfolio

Real client projects across embedded hardware, IoT platforms, motor control systems, and robotics.

ESP32-S3 2-Axis Automated UT Scanning & Control System
IoT

ESP32-S3 2-Axis Automated UT Scanning & Control System

ESP32-S3 based embedded control system for automated ultrasonic (UT) wind turbine scanning. Custom PCB integrating motion control, 2-axis motor control with pulse/direction signals, raster scan algorithm, limit switch inputs, configurable scan parameters, and full mobile/web dashboard for real-time control.

ESP32-S3Motor ControlUltrasonic TestingPCB DesignIoT DashboardIndustrial
Sensor-Fusion Robotics Test Platform (Collab: Robotisim)
Robotics

Sensor-Fusion Robotics Test Platform (Collab: Robotisim)

Modular robotics platform for testing algorithms, navigation, and control systems. Features 2D laser scanner, distance sensors, IMU, magnetic wheel sensing, high-performance microcontroller with dual motor driver, OLED display, and battery management. Built in collaboration with Robotisim.

RoboticsSensor FusionSLAMMotor ControlIMULIDARCollaboration
High-Performance Wireless Gaming Mouse
PCB Design

High-Performance Wireless Gaming Mouse

A high-performance wireless gaming mouse designed for competitive FPS gaming, featuring ultra-low latency 2.4GHz wireless connectivity and 8kHz polling rate. Powered by PixArt PMW3395 optical sensor and Nordic nRF52840 MCU.

PCB DesignNordic nRF528402.4GHz RFPixArt PMW3395Battery ManagementEMI/EMC
Echo Guard — IoT Sound Monitor
IoT

Echo Guard — IoT Sound Monitor

A compact IoT device that monitors ambient sound levels and reports them securely to the cloud. Designed for homes, offices, and hospitality environments. Features ESP32-S3, I2S MEMS microphone, GNSS module, and 18650 battery backup with USB-C charging.

ESP32-S3IoTPCB DesignWi-FiBLEGNSSBattery Backup
Smart Incense Burner Controller
PCB Design

Smart Incense Burner Controller

Smart incense burner controller supporting 110–240VAC input, integrated temperature sensing, ambient light sensor, RGB LED ring, rotary encoder, and optional RTC coin cell for timer-based operation.

Embedded SystemsPower ElectronicsRGB LEDRTCTemperature Sensing
3 Rotary Encoders & Pushbutton PCB with FPC
PCB Design

3 Rotary Encoders & Pushbutton PCB with FPC

A compact control panel PCB featuring 3 rotary encoders and 1 pushbutton, connecting via FPC connector for easy integration. Ideal for user interface applications.

PCB DesignRotary EncoderFPCUI Controls
LED Strip Driver PCB (PWM Control)
PCB Design

LED Strip Driver PCB (PWM Control)

Drives multi-color LED strips with smooth brightness adjustment via PWM. Includes MCU, MOSFET drivers, and power input. Connects via screw terminals or JST connectors.

PCB DesignPWMMOSFETLED DriverPower Electronics
Wireless E-Ink Smart Display Platform
PCB Design

Wireless E-Ink Smart Display Platform

ESP32-S3 based IoT PCB supporting multiple E-Ink displays including 50-pin high-voltage panels. Features dedicated E-Ink power architecture (VGH, VGL, VCOM), I2S audio output, rechargeable battery with USB-C charging, and optimized regulation for stable display refresh.

ESP32-S3E-Ink DisplayIoTWi-FiBLEBattery ManagementUSB-C