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Funny, I've just started working on adding OCPP support to the SmartEVSE v3 platform. If you want a capable DIY solution, I recommend the SmartEVSE (v3) platfo
by Dries007 4y ago
Funny, I've just started working on adding OCPP support to the SmartEVSE v3 platform.
If you want a capable DIY solution, I recommend the SmartEVSE (v3) platform. The hardware is quite capable (ESP32 based, support for switching between 1 & 3 phase charging).
The software requires some more work to fully utilize the hardware, but is open source.
No cloud APIs required :)
Code & schematics: https://github.com/SmartEVSE/SmartEVSE-3 https://github.com/SmartEVSE/SmartEVSE-3
- jfim 4y agoCool project! Since I'm not particularly familiar with that space, I saw that the first picture shows three different amperages that are being sourced. Is it because the amps are being sourced from each current phase in a three phase setup?
- Dries007 4y agoThat screenshot includes the home power consumption and solar panels. Most EVs source the same current on all 3 phases most of the charge cycle and switch to a single phase when they are almost full (and charging goes slower).