Adafruit LCD Light Valve Controllable Black-Out Panel - 3330 ir sensor and ZigBee

and ZigBee

It also has 8 female Dupont headers that can be connected to your Arduino through the digital pin

while Arduino is a microcontroller running on simple I/Os

Key detail: size 120mm

Compared to linear regulators

Adafruit LCD Light Valve Controllable Black-Out Panel - 3330 ir sensor and ZigBeeAdd a Clear Visual Interface with Liquid Crystal Light Valve LCD Controllable Black out Panel The Liquid Crystal Light Valve LCD Controllable Black out Panel is a display module built for electronics projects, user interfaces, and visual output tasks. It gives your build a clearer way to show menus, readings, status updates, or graphics. It works well for prototyping, learning, and finished builds where visual feedback matters. Pair it with Arduino