Summary

I made a combined display with an LED-Strip and an E-Ink display.
Purpose is to display stuff like temperatures, which don't change often on the E-ink-Display and often changing values like photovoltaic power with the led strip. With a touch button you can switch between different screens

The led strip ist a WS2812B Adressable Pixel Strip with 144 led/m
-> i used these: https://amzn.eu/d/eOmWAVV

The E-ink-Display is a 2.9inch monochrom display with SPI,
-> I used this one: https://amzn.eu/d/5YOUf0v

The touch button is a TTP223 capacitive sensor to detect through the plastic front
-> I used this one: https://amzn.eu/d/cxXyiUF

Under the E-Ink display is space for a ESP32 Dev Board, almost anything will fit here. I used the ones without pin headers for a lower profile
I used this one: https://amzn.eu/d/24QEFxx

The led-strip is 38 pixels long in a U-shape. I used both vertikal sides (each 14 leds) for displaying the current solar power and the state of charge of the battery. On the top I used 8 leds to display the current power consumption of my house.

All power is used from the ESP-Board, leds on 5V, display and sensor on 3.3V.
As an example I included the Arduino-code, but it will almost certainly not fit your needs.
But feel free to use this hardware to display anything and maybe use the leds just as animation or eyecatcher

There are only two parts to print, the base with all electronics and the cover. Both parts prints without support.

I used a dark (blue or black) PLA for the base and painted the led-compartments white.

The cover has over each led a section with only 0,4mm wall thickness, the rest is much thicker to block the light. It was printed in white PLA. The small hole is the indicator, where the touch button is located.

Use the 2 middle bore holes to screw the base to the wall, the upper and lower holes are used for holding the cover.

I also included the step-file of the whole assembly, if you want the change / remix it.

Have fun,
Sebastian