This compact device is designed for safe and flexible use in 3.3V to 5V systems. It delivers broad compatibility and a mini form factor that makes integration into a wide range of projects straightforward. Safety and voltage range Works reliably with 3.3V and 5V logic and power sources, helping protect connected boards from common voltage mismatches. Compatibility Broad support for standard 3.3V and 5V platforms and components, enabling easy connections with minimal adapters or modifications. Mini design Small footprint for tight layouts, wearables, and embedded applications. Lightweight and easy to mount in compact enclosures. Function and performance Delivers stable operation within the specified voltage range, supporting safe prototyping and consistent results across projects. Versatility Facilitates creating more projects and exploring ideas without workflow obstacles. Use scenarios 1) Prototyping a sensor readout with a microcontroller such as a 3.3V/5V board, enabling quick testing and iteration. 2) Building a compact wearable or spaceconstrained device that requires a small, easytointegrate component. 3) Teaching electronics in classrooms or workshops with a simple, reliable component that supports a variety of projects.