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
Selected work
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