Breadboard Power Supply Module – 3.3V / 5V MB102

Breadboard power supply module designed to provide stable 3.3V and 5V output directly to standard solderless breadboards.
Plugs into MB102-type breadboards and is powered via DC barrel jack or USB input for flexible usage.
Includes dual output rails with selectable voltage, making it ideal for Arduino, sensors, and prototyping circuits.
Features onboard voltage regulation and protection for safe and reliable operation during development and testing.