Open Source Hardware

Open Source AC Wallbox Controllers

Build, customize, and control your own AC charging station or wallbox with our modular, open-source hardware. Perfect for DIY enthusiasts and hobbyists, yet powerful and reliable enough for professional and commercial installations.

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100% Open Source
V2.1 Latest Version
22kW Max Power
Latest V2.1
EVxDEV V2.1 Controller
Wi-Fi & Ethernet Up to 22kW Energy Metering
About Us

Democratizing AC Charging Technology

EVxDEV is an open-source initiative providing flexible, modifiable AC wallbox controller hardware and software. From DIY home projects to professional commercial installations — our controllers deliver the reliability and features you need for Mode 3 AC charging up to 22kW.

Modular Design

Mix and match components to build the exact charging solution you need. Upgrade individual modules without replacing the entire system.

Fully Customizable

Modify charging logic, authentication, and integrations. Connect to Home Assistant, openHAB, or your custom backend.

Community Driven

Join a global community of developers, hobbyists, and professionals working together to advance EV charging technology.

Smart Integration

Seamlessly connect with smart home systems, energy management platforms, and custom backends worldwide.

Hardware

Powerful Controllers & Modules

Choose from our range of AC wallbox controller boards and extension modules to build your perfect charging station.

Recommended
EVxDEV V2.1 Controller

EVxDEV V2.1 Controller

Professional-grade AC wallbox controller for DIY projects and commercial use. Advanced features for complex integrations and demanding environments.

  • 12V supply
  • RFID reader support
  • Plug and charge
  • Pulse or level activation
  • Current config 10/16/25/32A
  • Up to 22kW
  • Extension board for WiFi/BT/RS485
🎁 Free DIN Rail Enclosure included!
€89.00
EVxDEV V1.1 Controller

EVxDEV V1.1 Controller

Reliable and proven AC wallbox controller ideal for DIY builds and professional installations alike.

  • 12V supply
  • RFID reader support
  • Plug and charge
  • Pulse or level activation
  • Current config 10/16/25/32A
  • Up to 22kW
  • Extension for WiFi/BT/RS485/Smart
🎁 Free DIN Rail Enclosure included!
€69.00
Coming Soon

Connectivity Module

Wi-Fi, Bluetooth 5.0 & Ethernet with RS485 Modbus energy meter and load balancing 6-63A.

€79.00
Coming Soon
RFID

RFID Reader Module

User authentication with RFID cards for access control.

€24.00
Coming Soon
DISPLAY

LCD Display Module

2.4" color display for status, energy info, and user interface.

€34.00
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Software

Open Source Firmware & Apps

Fully customizable firmware with deep integration capabilities and an upcoming mobile app.

Latest v2.1.3

EVxDEV Firmware

Our open-source firmware allows deep customization of your AC wallbox.

  • Modify charging control logic
  • Custom user authentication
  • Home Assistant & openHAB integration
  • Energy monitoring & scheduling
  • OTA firmware updates
Download Firmware View Source
Coming Soon

Mobile App

Control your AC wallbox from anywhere.

  • Start/stop charging remotely
  • Real-time energy consumption
  • Push notifications & alerts
  • Custom settings on the go
iOS Coming Soon Android Coming Soon

Integrations

Connect EVxDEV with your favorite platforms

Home Assistant
openHAB
Modbus RS485
MQTT
Downloads

Get Started Today

Access all open-source resources: firmware, schematics, documentation, and more.

Firmware & Source Code

Download and customize firmware for V1.1 and V2.1 controllers.

V2.1 Firmware (Latest) V1.1 Firmware (Stable)

Hardware Schematics

Open-source designs, BOMs, and assembly guides for all hardware.

V2.1 Schematics & PCB Bill of Materials (BOM)

Documentation

Step-by-step instructions for hardware assembly and software setup.

User Manual (PDF) Quick Start Guide

API Documentation

Integrate EVxDEV into your smart home, parking, or energy management systems.

REST API Reference MQTT Protocol Guide
Community

Join the EVxDEV Community

EVxDEV is built on collaboration. Connect with developers, enthusiasts, and professionals.

GitHub

Contribute code, report issues, and access all repositories.

Discord

Join discussions, get help, and connect with the community.

Forum

Browse topics, share projects, and learn from others.

X / Twitter

Follow for updates, news, and announcements.

Ready to Get Involved?

Help shape the future of open-source AC charging technology.

Contribute on GitHub Contact Us
Contact

Let's Talk

Have questions, partnership inquiries, or want to collaborate? We'd love to hear from you.

hello@evxdev.io
Europe, EU
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