node-01 · agriLoRaWANSmart Farm Monitor
Solar-powered soil moisture & climate nodes over LoRaWAN, with automated irrigation control and a 2-year battery budget.
IoT engineer · Vietnam
I build the whole path data takes: collect it from sensors, manage it at the edge, publish it to the cloud, and visualize it on dashboards people use.
Sensors sample the world. Here is the first reading, about me.
I design end-to-end IoT systems: low-power nodes that run for years on a battery, gateways that keep working on flaky networks, and cloud pipelines that turn raw readings into decisions.
I care about what makes devices trustworthy in the field: OTA updates that can't brick, secure provisioning, and monitoring you can actually debug at 3am.
"device_id": "huan-nguyen",
"role": "IoT Engineer",
"location": "Vietnam · UTC+7",
"focus": ["embedded", "edge", "cloud"],
"protocols": ["MQTT", "LoRaWAN", "BLE", "Modbus"],
"status": "open_to_work",
"uptime": 0
At the edge, data gets cleaned and organised. These are my skills, sorted by layer.
Each project publishes live readings to the cloud. The charts stream sample data.
node-01 · agriLoRaWANSolar-powered soil moisture & climate nodes over LoRaWAN, with automated irrigation control and a 2-year battery budget.
node-02 · homeMQTTRaspberry Pi edge hub bridging Zigbee and Wi-Fi devices, local-first automations, and remote access via secure tunnel.
node-03 · factoryModbusEdge gateway polling Modbus power meters, buffering offline and streaming to the cloud for per-machine energy analytics.
node-04 · healthBLELow-power BLE wearable streaming heart rate and motion to a mobile app, with on-device anomaly detection.
The last step turns data into something people can read at a glance.
| Year | Devices |
|---|---|
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 11 |
| 2024 | 9 |
Leading device-to-cloud architecture for a connected-product fleet: provisioning, OTA, fleet monitoring.
Built LoRaWAN and MQTT pipelines for agriculture and industrial monitoring clients.
Firmware for ESP32 / STM32 sensor boards, drivers, low-power tuning.
First blinking LED. Never looked back.
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