ATX Power Expansion Board Kit (with Acrylic Case), Onboard ADJ Adjustable Voltage Knob, Supports 3.3V/5V/12V and 1.5V-9.0V (ADJ) Output Voltage, 2A Maximum Output, Reset Protection.

Compatible with 3.3V: STM32 MCU, network communication equipment, such as Wi-Fi Bluetooth and other devices, generally for microcontrollers, and some low-power modules, etc Compatible with 5V: Raspberry Pi, Banana Pi, Tinker Board, Nano Pi, USB interface, etc Compatible with 9V: Arduino equipment, motor drive module, display driver module, etc Compatible with 12V: motor drive, LED light, vehicle equipment with power requirements less than 24w, etc Each screw terminal corresponding to the voltage output is protected by a 2A resettable polysilicon fuse. the panel is also equipped with an Acrylic case kit for easy to use