USB power controller module — clear, reliable control for USBpowered devices Key benefits Realtime monitoring: Builtin screen shows output voltage continuously so you can verify supply levels instantly and catch problems before they affect your device. Precise, simple control: Longhandle potentiometer gives smooth, accurate adjustment of output without tools or complicated menus. Ready for varied environments: Designed to operate across a wide range of temperatures and humidity levels, so it performs reliably in workshops, labs, or field conditions. Easy installation and use: Compact size and straightforward assembly mean fast setup — no complex procedures required. What it does and why you need it Regulates and displays USB output voltage, letting you power, test, and troubleshoot USB devices with confidence. Reduces guesswork during prototyping and by providing an immediate voltage readout and an intuitive control for fine tuning. Compatible with standard USBpowered equipment, making it a practical addition to test benches, workstations, and portable toolkits. Important attributes Function: USB power control with realtime voltage display. Compatibility: Works with USBpowered devices and systems. Size: Compact form factor for easy mounting and assembly. Performance: Stable operation across a wide range of operating temperatures and humidity. Usability: Longhandle potentiometer for ergonomic, precise adjustment and minimal setup effort. Practical use scenarios Electronics prototyping: Quickly set and monitor supply voltage for microcontrollers, sensors, or peripheral modules during development. and troubleshooting: Test phone accessories, USB peripherals, or boards on the bench while watching the voltage response in real time. Field testing and portable setups: Use in outdoor or nonclimatecontrolled environments where temperature and humidity vary, without losing reliable control. Simple, dependable, and designed for practical use — this USB power controller module gives you direct voltage control and clear feedback so you can work faster and with greater confidence.