Selected work

Wearable / VR

Wearable Haptic VR Equipment

Wearable VR equipment with haptic feedback. Pneumatic actuators, haptic sensors and real-time interaction via wireless communication.

nRF52ESP32BLEWiFiHapticPCB DesignEmbedded C
Motor Control

Closed-Loop BLDC Servo Controller

Closed-loop FOC based driver design for 850W BLDC hub servo motor. Speed and position control loops, current sensing and protection circuits.

STM32FOCPWMCAN BusAltium
Industrial Automation

Industrial PLC (1st & 2nd Generation)

Two generations of industrial PLC design. Digital/analog I/O modules, Modbus RTU/TCP communication, expansion boards and full R&D cycle through field testing.

AllwinnerMYIRFPGAFreeRTOSModbusCAN BusEtherCATAltiumEMC
Smart Home / Building Automation

Household Air Purifier with KNX Integration

Household air purifier integrated with KNX building automation protocol. Air quality sensors, fan control algorithm and KNX gateway design.

STM32KNXUARTPCB DesignEmbedded C
Telemetry / IoT

Hot Air Balloon Tracking & Gas Measurement

Real-time location tracking and gas measurement system for hot air balloons. Wireless data transmission with GPS/GNSS, pressure, temperature and gas sensors.

STM32QuectelGPS/GNSSLoRaCellularSensor FusionPCB Design
RF / Power Electronics

50W RF Power Amplifier

50W RF power amplifier design in the 5480–5890 MHz band. Impedance matching, thermal management, protection circuits and PCB layout optimization.

FPGARF DesignPower AmplifierImpedance MatchingThermal ManagementPCB Design
Industrial Machinery

Thermoform Machine (Household & Industrial)

Two different scale thermoform machines for packaging. Household and industrial versions — heating control, HMI interface, motor driver and process automation.

STM32NXPHMILVGLMotor ControlRS-485PCB Design
Power Electronics / Energy

MPPT Solar Charger

Solar charge controller with Maximum Power Point Tracking algorithm. DC-DC converter design, current/voltage measurement and battery management.

STM32MPPTDC-DCADCPWMPCB Design
Healthcare / HVAC

UV-C Disinfection Machine

HVAC-integrated UV-C disinfection device developed urgently during the COVID-19 pandemic. UV-C lamp driver, safety interlocks and airflow control.

PICUV-CHVACRelay ControlPCB DesignEmbedded C
Networking / High-Speed

2.5/10G Dual Port Network Interface

Dual-port network interface card supporting 2.5G and 10G speeds. High-speed signal integrity, impedance control and multilayer PCB layout.

EthernetHigh-Speed PCBSignal IntegrityAltiumEMC
Industrial / Protocol Conversion

Protocol Converters (USB-RS232 / RS485 / CAN)

Protocol converter series providing USB to RS-232, RS-485 and CAN Bus interface conversion. Isolation, ESD protection and compact form factor.

FTDIUSBRS-232RS-485CAN BusPCB Design
Industrial Machinery / Vision

Visual Positioning Laser Cutting Machine

Laser cutting machine integrated with vision-based positioning system. Camera alignment, motor control and cutting path optimization.

STM32Computer VisionStepper MotorLaserUARTPCB Design
Smart Home / IoT

Smart Doorbell with Remote Monitoring

Smart doorbell with remote monitoring and recording. Camera module, WiFi connectivity and instant visual access via mobile notifications.

ESP32WiFiCameraCloudMobile AppPCB Design
Lighting / Entertainment

DMX Addressable LED Controller

Addressable LED strip and module control via DMX512 protocol. Multi-channel PWM output, DMX addressing and stage lighting scenarios.

STM32DMX512RS-485PWMLED DriverPCB Design
Industrial Automation

Universal Temperature Controller

Industrial universal temperature control device. Multi-type sensor input (TC/RTD), PID control algorithm, isolated outputs and Modbus communication.

STM32PIDADCModbusIsolated I/OPCB Design
Industrial Measurement

Industrial Load Cell Measurement Device

Industrial load cell measurement device. High-resolution ADC, signal conditioning, calibration algorithm and industrial communication interface.

STM32Load Cell24-bit ADCModbusRS-485PCB Design
Industrial Measurement

Industrial Pressure Measurement Device

Industrial pressure measurement device. Precision analog front-end, sensor calibration, digital filtering and isolated communication output.

STM32Pressure SensorADCModbusRS-485PCB Design
Industrial I/O

Industrial Analog Input/Output Device

Industrial analog input/output device supporting 0–10V and 4–20mA signals. Multi-channel isolated measurement and output with industrial bus communication.

STM320-10V4-20mADACADCModbusIsolated I/OPCB Design

From the lab