Geppetto Electronics
Monday, March 2, 2015
OpenEVSE II and Hydra status reports
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The first batch of final boards for OpenEVSE II and the Hydra will arrive today. The designs for both were successfully prototyped already, ...
Wednesday, January 21, 2015
Final designs for OpenEVSE II & Hydra 4.0 are on their way
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I've placed the order for what I hope will be the final versions of the OpenEVSE II and Hydra boards. I'm taking a bit of a chance i...
Saturday, January 10, 2015
OpenEVSE II logic/display board theory of operation
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The OpenEVSE II design for the logic/display board is fairly well set by this point. All of the iteration lately has been on the feature se...
Saturday, January 3, 2015
OpenEVSE II design progress
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The good news is that the design of the logic/display board has not really changed significantly since July. I have moved a couple of compon...
Monday, December 29, 2014
OpenEVSE II - progress at last
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After letting the prototype boards sit on my bench for almost six months, I finally got around to building them. I've got to redo the ...
Saturday, December 20, 2014
Contactor Adapter users guide
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This post is the permanent home for the instructions for the Contactor Adapter. Version history: 1.4: Increased creepage distances for...
Wednesday, December 10, 2014
On hardware versioning
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I don't know if this is a particularly interesting topic for a blog post, but I sort of had a realization last night about how best to m...
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