Yesterday I came across the following - for me - fine project (Demo-Page):
ESPTERM Release 2.3.0 Cricket https://espterm.github.io/term.html
GitHub-Page: https://github.com/espterm/espterm-firmware
Downloads:
https://github.com/espterm/espterm-firmware/releases
Its a VT100-Webpage-Terminal on a ESP8266-Microcontroller which opens a Accesspoint.
You could connect via this VT100-Webpage-Terminal to the TTL-Port of the ESP8266.
TTL-Conn