Lonely Binary 3-Pack Breadboard Power Supply 3.3V 5V USB-C Switchable

【3.3V/5V SWITCHABLE OUTPUT】Toggle between 3.3V and 5V with a slide switch, up to 500mA per module (PPTC protected) — for powering Arduino, Raspberry Pi, Pico W, ESP32, and other microcontrollers without extra adapters.
【BUILT-IN SAFETY PROTECTION】PPTC resettable fuses limit current to 500mA per module to help prevent overloads and short circuits — suitable for beginners and experienced makers working on STEM projects.
【USB TYPE-C CONNECTIVITY】USB Type-C input (5V DC) for power from laptops, power banks, or USB hubs — reduces wiring for portable prototyping setups.