The Grizzle charger is pretty good, there is also OpenEVSE and OpenVolt which are good wall chargers. Here's a link to my favorite one: Open Volt charging solutions
It works on both 120VAC or 240VAC
Thanks for posting all your steps, I have a failed OBC in my 2012 Leaf and have just started taking it apart. Upon visual inspection I have found 1 blown capacitor. Will keep looking for more failed components.