Posted in LED Hacks Tagged ESP8266, led, led matrix, ws2812b. LED Matrix Built For M.2 Interface. May 24, 2025 by Lewin Day 8 Comments . The M.2 slot is usually used for solid-state storage devices.

We’ve featured some unexpected LED matrix builds of late, like this innovative device for the M.2 slot. ... Posted in LED Hacks Tagged ESP8266, led, led matrix, ws2812b. Post navigation.