Programming Languages: C/C++ (for Embedded Programming, Web Framework, Android NDK), Kotlin/Java (for Android App on Mobile), Dart (for Android, iOS App on Mobile) Python (IoT, Data Processing, Run tasks), LaTeX (for write documents) Markdown (for write documents), CMake/Makefile (for build software).

Hardwares: Arduino, ESP8266, ESP32, PIC microcontroller, Raspberry Pi, PLC (Programmable Logic Controller).

Frameworks: Arduino framework (IoT), Oat++ web framework (Web Server), Flutter framework (Mobile App), Robot framework (Automation).

Databases: SQL (MySQL, PostgreSQL, SQLite), NoSQL (MongoDB, Firebase).

Tools: Postman, Swagger (API Documentation), Git, Github/Gitlab/Bitbucket.

OS: Windows, Ubuntu.

Editors: VSCode, Android Studio.

Works: IoT, Android App on Mobile.

Skills:

• IoT: Communication sensors, hardware for field Environment, SmartHome, Home Assistant, Sonoff Devices, Homebridge support for device non-HomeKit.

• IoT Protocols: MQTT, TCP, UDP, HTTP, I2C, SPI, UART, One-Wire, Analog, Digital, GPS/GSM, WiFi, Bluetooth.

• Android App: Connect IoT device to mobile, NDK (Native Development Kit), Android SDK (Java/Kotlin).

• Write libraries: Arduino/ESP8266/ESP32 with Arduino Framework, Kotlin/Java Libraries for Android.