Case Study: IoT Solutions & Hardware Engineering —
Smart EV Charging
Overview

Smart EV Charging is a three-phase electric vehicle home charging station designed with modern IoT connectivity. Built on ESP32 technology, the system combines reliable hardware, smart metering, and real-time monitoring to provide a safe and efficient EV charging experience.
The solution was engineered to deliver high performance, secure energy management, and mobile app control, aligning with the global transition to sustainable mobility.
Challenge
The electric vehicle charging market requires solutions that are:
Reliable in delivering consistent three-phase charging.
Safe, with features like socket lock and smart metering.
Connected, enabling real-time monitoring and remote control.
Cost-effective yet scalable for home and commercial use.
The challenge was to design both hardware and software components that integrate seamlessly, ensuring safety, usability, and IoT readiness.
Solution

We developed Smart EV Charging as a combined hardware + IoT system that empowers users to charge EVs efficiently and securely.
Key features include:
Custom PCB with ESP32 for hardware reliability.
Three-phase meter for precise energy tracking.
Socket lock mechanism for safety.
IoT connectivity for mobile-to-device monitoring.
Cloud integration for real-time dashboards and analytics.
Technology stack
Hardware Engineering — ESP32 microcontroller, custom board design.
IoT Solutions — BLE / Wi-Fi connectivity for remote control.
Mobile App Development — companion app for monitoring and control.
Cloud and DevOps — backend infrastructure for analytics and scalability.
Our approach
We followed a full-cycle development process:
Hardware Design — built and tested a custom PCB with integrated metering.
Firmware Development — implemented communication protocols for IoT integration.
Mobile App Prototyping — created a companion interface for monitoring.
Testing & Validation — ensured safety, stability, and compliance with EV charging standards.
This hardware + software synergy ensured a reliable and scalable charging product.
Results
Delivered a safe and efficient three-phase charging station.
Enabled real-time monitoring and control through IoT connectivity.
Successfully tested with EVs to validate stability and safety.
Positioned as a scalable solution for smart energy and e-mobility ecosystems.

Why It Matters
Smart EV Charging demonstrates how IoT & Embedded Systems and Hardware Engineering can drive innovation in sustainable energy solutions. By combining hardware reliability with IoT intelligence, we created a product that contributes to the future of clean mobility.
Call to Action
Looking to build a smart IoT hardware product or develop embedded systems for clean energy?
At Pica Trebax, we specialize in Hardware Engineering, IoT Solutions, Mobile App Development, and Cloud integrations.

Smart EV Charging
Client:
Confidential (R&D project)
Platform:
Embedded Hardware + Mobile Connectivity
Industry:
IoT & Embedded Systems
Services:
IoT Solutions
Hardware Engineering
