The MB102 Breadboard Power Supply Module is designed to provide stable and convenient power for MB102 solderless breadboards. It supports both 3.3V and 5V output selections, making it suitable for Arduino, Raspberry Pi, and general electronics prototyping applications.The module can be powered through a DC adapter or USB input and features independent dual-channel output control for flexible circuit testing. With onboard voltage regulation and easy plug-in design, this power module simplifies breadboard-based development without the need for external power wiring.Compact and reliable, the MB102 power supply module is an essential accessory for electronics learners, makers, and professionals working on prototype circuits.