I am now offering some of the diagnostic tools I build for myself! The EVSE SPY J1772 passive diagnostic tool is the first of them. This is a custom built diagnostic tool to help you see what’s really going on between any Electric Vehicle Charging Station (EVSE) and your electric vehicle. The J1772 Spy is passive. Proximity and Pilot signals as well as power/ground are passed thru end to end. The displays read off the lines to provide detailed information of the charging session. Very useful for public stations to determine actual services provided.
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