Open Source Firmware for EV chargers using the ESP32 Chip (Autoaid / EN-Plus / EVSEDO)
a project by bschmidt
Hack Week 22
Project Description
The project has evolved since last Hack Week (I left what I wrote about it in HW 21 down below).
It still is about having an Open Source Firmware for proprietary EV Chargers / Wallboxes based on the ESP32 chip.
But there are 4 devs + the ones that will join here besides me (instead of 2) now working on this project.
The project is more mature and has it's own github organisation named warp-more-hardware.
Any ESP32 with 4MB or more should be good to get you going with this project. If you are into the more fancy stuff you might want to get something with 8MB flash and use it for another project later on.
This will do to participate.
Goal for this Hackweek
1. Make a proper release of the software for the EN+ 11kW Smart Home Series Wallbox (AC011K).
2. Tackle as many issues as possible from the project issue tracker.
Resources
github repository (fork of the TinkerForge repo)
wiki (one page with some photos and description in german - has to be refreshed within this hack week)
Everyone is welcome to work with us here, especially if you know something about ESP32 / C / C++ / preact.
This was Hack Week 21
Project Description
This Project is about having an Open Source Firmware for proprietary EV Chargers / Wallboxes based on the ESP32 chip.
There is a very good Open Source firmware for the TinkerForge WARP Charger by TinkerForge. The WARP Charger uses the Espressif ESP32.
This Project is to port this Firmware to other Hardware also using an ESP32.
The Project is already in a pretty good state.
There is a working version, but it is based on an older (1.x) version of the original software.
To be able to follow the progress of the upstream project more closely, the port needs to get updated and merged with the original. So, the goal is just that.
There could be stretch goals if I find collaborators ;-).
Goal for this Hackweek
- Have the firmware version 2 line working on the EN+ 11kW Smart Home Series Wallbox (AC011K-AE-25).
- Have the same version on the Sonoff Dual R3 to master load management
Resources
github project fork (work is done in a special branch: warp on other hardware)
wiki (one page with some photos and description in german)
Everyone is welcome to work with me here, especially if you know something about C / C++ / Typescript.
Looking for hackers with the skills:
This project is part of:
Hack Week 21 Hack Week 22
Activity
Comments
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1 day ago by okurz | Reply
I looked a bit into forum posts and related articles around your project and I found https://www.mikrocontroller.net/topic/516384 and https://www.goingelectric.de/forum/viewtopic.php?f=105&t=66898 and https://www.akkudoktor.net/forum/e-autos-e-bike/open-source-firmware-fuer-autoaid-en-plus-esp32-tinkerforge-wallboxen/ :) are there even more relevant resources? And now for purely selfish reasons as still needing a Wallbox myself: What device would you recommend me to get at the current time? :)
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1 day ago by mpagot | Reply
From my side I'm having fun with Wifi MESH for https://github.com/warp-more-hardware/esp32-firmware/issues/11
I made some experiments with https://gitlab.com/painlessMesh/painlessMesh in a small getting started project: https://github.com/michelepagot/mesh-mash and contributing to the painlessMesh documentation.
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