V2G EVSE OCPP 1.6 on a Raspberry Pi Compute Module

Regular readers of the blog of our parent company will be aware that we’ve been experimenting with the assorted generations of the Raspberry Pi single board computer since it was first launched here in the United Kingdom. Now we’re going into the hardware business it seemed like the perfect time to try out the “industrial version” of the venerable Pi. Here’s how our Compute Module 3 setup looks on the test bench:

Raspberry Pi Compute Module 3 on the V2G EVSE test bench

We had a few problems getting everything up and running in the first place. That explains the serial console cable you can see at the top. More on all that in due course, but first of all please take a look at what that console is displaying:

2018-03-30_2000-RasPiCM3-OCPP_1_6

A working copy of version 0.1 of the V2G EVSE OCPP 1.6 alpha firmware! As a close inspection of the output reveals, there’s a few bugs still to be ironed out, and a lot more intelligence to be baked into the CM3’s electronic brain.

However our first technical milestone has now been passed successfully, so now you may wish to head on over to the V2G EVSE CM3 project page to discover more about the niggling little problems we encountered persuading the CM3 to run Java, and how we got around them…..

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