WS2812B 8×32 Flexible 5050 Pixel RGB LED Matrix Panel Toolsss since the Pi 4 uses

since the Pi 4 uses USB-C Type

1 x MQ2 Smoke Gas Sensor Module

Digital video camera

AC voltage Range: up to 600 (2 Ranges)

Output high level when receive laser signal

WS2812B 8×32 Flexible 5050 Pixel RGB LED Matrix Panel Toolsss since the Pi 4 usesWS2812B is an intelligent control LED light source where the control circuit and RGB chip are integrated into a single package of 5050 components. Each LED can be individually controlled. You may programmed each LED to scroll messages or draw little graphics. WS2812B Addressable Flexible LED Matrix is widely compatible. It can be controlled with Arduino, Raspberry Pi Fast led Library, SP103E, SP105E, K1000C, T1000S, etc. Chainable and bendable design.