Device Power Matching Board with USB Entry, Red light Adjustable Knob, Digital Display for Learning Service Projects

Flexible Power Conversion: This USB powered module supports step up and step down voltage control, giving repair work, learning projects, and service setups a practical way to fit power needs across small electronics Practical Connection Design: The terminal block output keeps wiring straightforward for temporary service work and routine repair tasks, while the compact board format fits tool cases and work tables with less clutter Compact Working Structure: An ABS outer housing works with internal metal and electronic components to support frequent handling, making the module suitable for repeated plugging, routine installs, and everyday electronics service use Shared Use Scenarios: Use this power conversion board for electronics repair, learning modifications, router setup checks, project work, and small device service when you need USB input with adjustable output control Visible Output Control: A built in digital display and rotary knob let you view live readout while making manual changes, helping you set power output during setup checks, module service, and troubleshooting