Zenra Afif

About Me

I am an Electrical Engineering graduate specializing in IoT, control systems, automation, and embedded systems. I have hands-on experience in maintenance engineering, inverter configuration, AC motor troubleshooting, panel wiring, PLC, and control logic implementation.

My background in industrial automation, robotics, and programming allows me to combine hardware and software to create practical engineering solutions.

Feel free to explore my portfolio.

Experience

C# Training Onsite

PT. Formulatrix Indonesia (September - November 2025)

Completed structured training in C#, .NET Core, reinforcing logic building, debugging techniques, and structured problem-solving applicable to embedded development.
Gained experience using Git for version control, including branching, committing, resolving conflicts, and performing clean code reviews within a team.
Built and deployed a full-stack MVC web application using .NET Core.

Maintenance Engineer Intern

PT Harapan Kurnia Textile (November - December 2022)

AC motor troubleshooting & inverter configuration.
Performed PLC I/O checking and fault tracing.
Assisted wiring and inspection of low-voltage panels.

IoT Engineer Intern

Kedaireka CV Best Garment (August - November 2022)

Developed IoT prototypes with ESP32 (sensors, relays, dashboards).
Designed PCB prototypes for embedded systems.
Integrated cloud systems (MQTT, Firebase, simple web UI).

Web Developer Intern

PT. Crocodic Studio (December 2018 - June 2019)

Developed backend infrastructure and RESTful APIs to support cross-platform integration with Android and iOS applications.
Built and maintained core web interfaces, including the main company site and internal admin dashboard using PHP, Laravel, and MySQL.
Contributed to front-end features using JavaScript, jQuery, and Ajax to enhance user experience.

Projects

IoT Truck Monitoring

IoT

A web-based relay controller using ESP32 + simple dashboard UI.

3-Phase Motor Panel Instalation

Electrical

Hands-on testing of overload, contactor, wiring, and current measurement.

Drowsiness Detection

Robotics Computer Vision

Camera-based line detection with auto-thresholding algorithm.

PLC Water Tank Auto-Fill

PLC

Automatic tank filling using sensors and timer-based logic.

PLC Pneumatic Valve + HMI

PLC HMI

Controlling pneumatic valve using PLC with HMI interface and custom logic.

Line Follower Robot (ANN)

Robotics AI/ANN

Robot with multi-sensor input and neural network–based decision logic.

Line Follower Robot (Camera)