Binh Ng. — Projects & Notes
Researcher and builder focused on environmental monitoring, IoT sensor systems, and home lab hardware. Based in Hanoi, Vietnam.
Featured
Low-Cost PM2.5 Sensors
Calibration of SDS011 and PMS7003 against a FEM reference station in Hanoi. R2 = 0.51-0.66, with correction factors for field use.
Face Mask Filtration
PM2.5 removal efficiency of 11 masks: fabric (8-14%), surgical (29-39%), 3M respirators (47-62%), AQBlue (90-95%).
Turbidostat Build
Open-source biomass density control for microalgae. $200 Arduino system replacing $10K+ commercial alternatives. Published in Algal Research (2018).
OCuLink eGPU Home Lab
Lenovo ThinkCentre mini PC + M.2 OCuLink adapter + external RTX GPU. Build notes for a compact workstation with desktop-class GPU performance.
Air Quality Analysis
Jupyter notebooks and Python tools for PM2.5 data from low-cost sensors. 38 stars on GitHub.
Areas of Work
| Area | What | Tools |
|---|---|---|
| Air quality | PM2.5 analysis, low-cost sensor networks | Python, Pandas, Jupyter |
| IoT sensors | Wireless monitoring, MQTT, data logging | ESP8266/ESP32, Arduino |
| Bioreactors | Turbidostat control, growth simulation | Arduino, Python |
| Home lab | eGPU builds, always-on compute | OCuLink, Linux |
Tutorials on Instructables
7 build guides, 62K+ total views. View profile
| Guide | Views |
|---|---|
| PIR with ESP8266 and MQTT | 17K |
| Temperature/pH/DO Data Logger | 11K |
| Raspberry Pi Data Logger | 11K |
| From Flashlight to Motion Sensor | 6.1K |
| Turbidity Monitor for Microalgae | 5.5K |
| Weather Station (ESP8266) | 5.3K |
| LED Panel Control | 4.2K |
Links
- GitHub (@bi2air) — 36 repos, 52+ stars
- Instructables (binova) — 7 guides, 62K+ views