The V2.1.X features are:
- Support for ESP8266, ESP8285 and standard ESP32 board with at least 1Mb of flash
- Serial/Wifi bridge using configurable port 8888
- Reset settings using GPIO2 pin
- Complete configuration by web browser (Station or Access point) or by Serial/telnet commands
- Authentication (optional) for better security
- Update firmware by web browser for 4MB boards
- Captive portal in Access point mode which redirect all unknown call to main page
- mDNS, this feature is a discovery protocol, it requires Bonjour installed on the computer. It is supported out of the box by macOS; on Windows and Linux, it needs to be installed
- SSDP, this feature is a discovery protocol, supported on Windows out of the box
- Fail safe mode (Access point) is enabled if cannot connect to defined station at boot
- Embedded FS uploader and updater
- Basic OLED screen support
- Notifications using Line / Pushover / Email
- DHT sensor support
- Direct pins control using ESP commands