Arduino EV J1772 Charging Station

Arduino Electric Vehicle Charging Station "Electric Vehicle Supply Equipment" (EVSE) implementing the J1772 protocol.

J1772 is used in the current generation of Electric Vehicles and Plug ins such as the Nissan LEAF and Chevy Volt.

The EVSE advertises the Maximum current available to the EV with a 1khz pilot signal. The Duty Cycle of the pilot sets the available current the EV may draw. The EVSE also functions as a safety device, the 240V AC lines of the J1772 plug are not hot until the EVSE and EV command the start of charging. The EVSE also functions as A ground fault interrupt device (GFCI).

Parts list and Schematics are attached as images.

Step 1: Setup ARDUINO Shield

Build and ARDUINO proto shield.

I used the Shield from Adafruit. http://www.adafruit.com/products/55

Solder 2 x 8pin and 2 x 6pin headers to the outside holes.

Solder 2 x 5mm 2 Position Terminal headers to the protoboard for the Relay and J1772 Pilot

Comments

[Rocketmaker10000]

Never mind, saw the price and built specs above on the first step. Missed that the first read through. I'm going to try and get the parts and build this tomorrow.

Thanks for this project. Excellent work. I'm going to test it on a Plug In Prius I have.

[Rocketmaker10000]

Excellent project. How much did the whole thing cost. I already have my J1772 plug and inlet for my EV, now all I need is to build this kit. I was wondering what the build cost was? Thanks in advance and I look forward to testing this unit!