Coming back to my old #ProgrammableThings project, it's now called #ScriptableThings!
A 3d-printed sign on a desk with 3 lit multicolour segments, next to it is the ESP powering and controlling the LEDs
I've got the sign working again and embedded an "editor" (read as: monospace textarea) so you can directly edit the script on the device through the captive portal!
A screenshot of a captive portal popup where you can select a segment of the sign and choose the desired colour
You join the sign's WiFi and get a popup browser to control the LEDs. Now you can go into advanced mode and edit the animation JavaScript. That script is loaded onto the ESP and runs straight away.
A screenshot of a captive popup browser with a monospace textarea containing unstyled JavaScript and a big purple upload button