V4.0.0 Release

In this significant update to the control of the LCD display and timer functions. V4.x now includes timers for LCD units with or without the real-time clock (RTC) hardware.

IMPORTANT: Breaking change! V4.x recommends a minimum of 7.1.2 of the OpenEVSE controller firmware, some advanced features do not function on older firmware.

Note: V4.x is not yet supported by Emoncms Demand Shaper

Instructions on updating the OpenEVSE firmware see How to Load OpenEVSE Firmware (WinAVR)

• Time & timer functions moved from the open_evse controller to the ESP32 WiFi
• Hardware RTC & coin cell battery removed from LCD
• More information now shown via LCD cycling e.g lifetime kWh, EVSE temp, how long is left until schedule end-time
• Not yet implemented but now possible to implement more advanced timer functions e.g weekly schedule
• openevse_wifi_v1 hardware has replaced the openevse_huzzah32_idf is now the default firmware build target
• RGB Neopixel LED's
• Car connection status is now reported via API and UI

Video demo

Known Issues

• Manual push button override does not yet work push button is working but functionality is being improved #147
• Before updating to this Beta version existing START STOP timers must be removed #170

Updating Firmware

Firmware can be updated via the web interface. Be sure to select the correct firmware for your hardware

• firmware.bin - OpenEVSE WiFi V1 Module
• openevse_huzzah32.bin - Adafruit Huzzah32 WiFi
• esp32-gateway-e.bin - ESP32-Gateway (Ethernet) Rev.E onwards see ESP32-Gateway docs

If the web interface cannot be loaded. the firmware can be loaded via a USB to serial programmer see instructions in Readme.md.