WS2812 16-Bit RGB LED Matrix PTC Heaters 1 Operating Temperature (°C) -20

1 Operating Temperature (°C) -20 to 70 Dimensions (mm) 66 x 34 x 10

It is housed in a TO-252 surface-mount device (SMD) package

the locking nut secures the cable

It has 4 pin SWIM connector on board for In Serial Programming (ISP) which you can access with ST link flash tool

These BNC female with nut bulkhead handle solder connectors are commonly used on test equipment

WS2812 16-Bit RGB LED Matrix PTC Heaters 1 Operating Temperature (°C) -20The WS2812 16 Bit RGB LED Matrix is a compact programmable LED panel that features individually addressable WS2812B LEDs, allowing full 16 bit color control. It is widely used for lighting effects, animated displays, DIY electronics, and decorative lighting projects. Each LED can be controlled independently via a single wire communication protocol, making it easy to integrate with Arduino, ESP8266, ESP32, Raspberry Pi, and other microcontrollers.