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3-Pack Breadboard Power Supply 3.3V 5V USB-C Switchable | 3.3V/5V slide switch, 500mA PPTC protection; USB-C 5V input; dual LED indicators; plugs into breadboard power rails Product Description 【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.
【LED POWER INDICATORS】Dual LEDs (red for 5V, blue for 3.3V) show active voltage status for safe operation and quick troubleshooting during DIY builds.
【COMPACT 3-PACK, FOR LOW-POWER LOADS】Plugs directly into standard solderless breadboard power rails. Suitable for logic circuits, sensors, displays, and single dev boards (up to 500mA). For high-current loads like motors or large LED arrays, use a dedicated supply. Pack of 3. Note orientation to avoid reversed polarity.
【RELIABLE VOLTAGE STABILITY】Measured outputs of ~3.27V (3.3V nominal) and ~4.92V (5V nominal) with minimal drop; great for quick prototypes, though note orientation to avoid reversed polarity.
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