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Electric Vehicle AC Charging Station with Arduino Uno, AC Charging station Shield and other off-the-shelf components.
In this page you get everything you need to start your AC Charging Station project:
Video with instructions to put everything together.
Code for the Arduino Uno.
Links to all the components.
Files to fabricate the Arduino Uno Shield in case you prefer to make it yourself instead of buying already made.
⚠️ - Making an Electric Vehicle Charging Station is only recommended to those knowledgeable of electric power as grid power can kill and can cause property damage.
⚠️ - This is a way to begin a project. This is not a finished product.
Block diagram
All the components and wiring between them
The Charging Station
Assembled just like the block diagram
The Charging Station Shield for Arduino Uno
Fits on top of the Arduino Uno with the necessary circuits and components to create an Electric Vehicle AC Charging Station.
Control Pilot generator
Instrumentation to allow the Arduino to read the communication between charging station and electric vehicle
Relay to close the external power contactor
Status LEDs
Instructions video
In this video, there's all the necessary information to begin your AC Charging Station project.
List of Components
Created by me:
Charging Station Shield for Arduino Uno - Fits on top of the Arduino Uno an ads the necessary circuits and components to make an Electric Vehicle AC Charging Station together with other off-the-shelf components.
Code for the Arduino Uno - Link to the Git repository where you can get the code to program the Arduino Uno.
From 3rd party sellers:
Arduino Uno - The brains of the charging station made with one of the most popular hobby microcontroller boards.
RCBO (Bituo Technik Type EV RCBO) - The main component for safety against electric shock. Ensures the disconnection of the supply in Case of AC fault current exceeding 30 mA or DC fault current exceeding 6 mA, compliant with IEC 61851-1.
Power Contactor - The component the connects the electric grid to the electric vehicle. The one I used is 1-phase, max 20 A but you can choose another depending on your power availability and requirements.
Flexible cable 3G2.5 - To connect the components inside the box and to connect the Charging station to the grid.
Cable with vehicle connector - You can use a Type-1 vehicle connector or Type-2 vehicle connector depending on you use case.
In Europe, most vehicles have a Type-2 vehicle inlet.
In U.S., most vehicles have a Type-1 vehicle inlet.
Table with List of Components and Cost Breakdown
Arduino Uno Charging Station Shield
The shield is open source. You are welcome to make your own. In the GitHub repository, you'll find schematics, PCB and fabrication files for the PCB. Below, I'm sharing some notes and a list of components with cost breakdown. The instructions of use are detailed in the video.
Table with List of Components and Cost Breakdown (Excluding PCB)
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