night lamp

The print connects to the toilet paper carton.
please print 2 pcs
and connect to the carton on both sides.
glue the LED ws2812 to the carton, connect the LED strip to the ESP8266 controller

the diameter of the carton roll that I used is 47mm
 

to diffuse the LEDs I used a copy paper such like this one - link 

esp8266 - D1 MINI V3.0 - link

LED - ws2812b - link

I powered 25 LEDs through the ESP via USB without external power supply 

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5v→5v
gnd→gnd
din→d4

The firmware I used is - WLED - WLED_0.13.2_ESP8266.bin 
Flash software - ESPHome-Flasher-1.4.0-Windows-x64.exe

If you need some more info about the firmware and how to flash it -