// PORTFOLIO — PROJECT ARCHIVE
Project Portfolio
Recent major hardware development case studies
PROJECT ARCHIVE
Key Development Cases
// PROJECT_000 — PREDICTIVE MAINT
MASS_PROD
Condition Monitoring & Predictive Maintenance
Multi-sensor integration with ultra-compact form factor design. Mass production supply completed for major Korean enterprises (Samsung, LG).
› Ultra-compact custom form factor design
› Industrial multi-sensor optimized integration
› Hybrid communication interface support
› B2B mass production & quality verification
// PROJECT_001 — BLE TEMP MONITOR
DEPLOYED
COVID-19 BLE Temperature Monitoring Device
BLE-based low-power temperature monitoring device deployed in national disaster response. Designed for stable operation in extreme cold (-20°C to -70°C).
› BLE module (Nordic nRF52 Series)
› External temperature sensing probe interface
› Ultra-low-power firmware architecture
› KC certification & mass production supply
// PROJECT_002 — PASS ALARM
DEPLOYED
Firefighter Personal Alert Safety System (PASS)
High-output alarm (96dB) + waterproof life-safety device for firefighters. Extreme environment design for shock/vibration/high-heat conditions.
› Piezo + resonance chamber alarm structure
› OLED status display & sensor integration
› Extreme durability (IP67 waterproof)
› KC certification & fire safety standards compliance
// PROJECT_003 — NFC DUAL ANTENNA
COMPLETED
NFC Dual-Frequency Antenna System
Combined NFC system supporting 125kHz + 13.56MHz simultaneously in a single reader.
› Dual coil layout optimization
› Inter-frequency notch filter design
› Independent matching network configuration
› Ferrite shielding for metal environments
// PROJECT_004 — ULTRASONIC SENSOR
COMPLETED
Ultrasonic Concrete Strength Measurement Equipment
Non-destructive concrete hardness and compressive strength measurement using ultrasonic transducers.
› Ultrasonic transducer drive circuit
› High-speed ADC ToF measurement
› Signal filtering & noise suppression
› Field-use portable form factor design