https://github.com/OpenEVSE/openevse_esp32_firmware
OpenEVSE V4 WiFi gateway using ESP32
https://github.com/OpenEVSE/openevse_esp32_firmware
emoncms mqtt openevse
Last synced: 9 months ago
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OpenEVSE V4 WiFi gateway using ESP32
- Host: GitHub
- URL: https://github.com/OpenEVSE/openevse_esp32_firmware
- Owner: OpenEVSE
- Created: 2019-08-15T12:03:24.000Z (almost 7 years ago)
- Default Branch: master
- Last Pushed: 2025-08-27T19:19:56.000Z (10 months ago)
- Last Synced: 2025-08-28T03:27:09.338Z (10 months ago)
- Topics: emoncms, mqtt, openevse
- Language: C
- Homepage:
- Size: 25 MB
- Stars: 201
- Watchers: 21
- Forks: 130
- Open Issues: 159
-
Metadata Files:
- Readme: readme.md
Awesome Lists containing this project
- awesome-ev-charging - OpenEVSE/openevse_esp32_firmware
README
# OpenEVSE WiFi for ESP32
> **_NOTE:_** Breaking change! This release recommends a minimum of [7.1.3](https://github.com/OpenEVSE/open_evse/releases) of the OpenEVSE firmware, features including Solar Divert and push button menus may not behave as expected on older firmware.
- *For the older WiFi V2.x ESP8266 version (pre June 2020), see the [v2 firmware repository](https://github.com/openevse/ESP8266_WiFi_v2.x/)*
- **For latest API documentation see the new [Spotlight.io OpenEVSE WiFi documentation page](https://openevse.stoplight.io/docs/openevse-wifi-v4/ZG9jOjQyMjE5ODI-open-evse-wi-fi-esp-32-gateway-v4)**
The WiFi gateway uses an **ESP32** which communicates with the OpenEVSE controller via serial RAPI API. The web UI is served directly from the ESP32 web server and can be controlled via a connected device on the local network.
**This FW also supports wired Ethernet connection using [ESP32 Gateway](docs/wired-ethernet.md)**
***
## Contents
- [Features](#features)
- [Requirements](#requirements)
- [User Guide](docs/user-guide.md)
- [Firmware Development Guide](docs/developer-guide.md)
- [API](https://openevse.stoplight.io/docs/openevse-wifi-v4/)
- [About](#about)
- [Licence](#licence)
## Features
- Web UI to view & control all OpenEVSE functions
- Start / pause
- Scheduler
- Session & system limits (time, energy, soc, range)
- Adjust charging current
- MQTT status & control
- Log to Emoncms server e.g [data.openevse.com](https://data.openevse.com) or [emoncms.org](https://emoncms.org)
- 'Eco' mode: automatically adjust charging current based on availability of power from solar PV or grid export
- Shaper: throttle current to prevent overflowing main power capacity
- OCPP V1.6 (beta)
- [Home Assistant Integration (beta)](https://github.com/firstof9/openevse)
## Requirements
### OpenEVSE / EmonEVSE charging station
- Purchase via: [OpenEVSE Store](https://store.openevse.com)
- OpenEVSE FW [V7.1.3 recommended](https://github.com/OpenEVSE/open_evse/releases)
- All new OpenEVSE units are shipped with V7.1.3 pre-loaded (April 2021 onwards)
### ESP32 WiFi Module
- **Note: WiFi module is included as standard in most OpenEVSE units**
- Purchase via: [OpenEVSE Store (USA/Canda)](https://store.openevse.com/collections/frontpage/products/openevse-wifi-kit) | [OpenEnergyMonitor (UK / EU)](https://shop.openenergymonitor.com/openevse-wifi-gateway/)
- See [OpenEVSE WiFi setup guide](https://openevse.dozuki.com/Guide/WiFi+-+Join+Network/29) for basic instructions
***
## About
Collaboration of [OpenEnegyMonitor](http://openenergymonitor.org) and [OpenEVSE](https://openevse.com).
Contributions by:
- @glynhudson
- @chris1howell
- @trystanlea
- @jeremypoulter
- @sandeen
- @lincomatic
- @joverbee
- @matth-x (OCPP)
- @kipk
## Licence
GNU General Public License (GPL) V3