USB Adjustable Boost Buck Power Supply & Current Regulator Module

Take full control of your electronics projects with this compact USB Adjustable Boost Buck Power Supply Module. Whether you're powering microcontrollers, testing circuits, or building custom DIY electronics, this versatile regulator module delivers a wide adjustable output range — from 3.3V all the way up to 24V — from a standard USB input. Boost when you need more voltage, buck when you need less: one module handles it all.

Key Features

Dual Boost & Buck Function: Converts a 5V USB input to a wide adjustable output range (3.3V, 5V, 9V, 12V, 18V, 24V and in between).
Adjustable Current Regulation: Dial in the exact output current your project requires, protecting sensitive components from overcurrent.
Compact & Portable: Small module form factor fits neatly into breadboards, enclosures, and DIY builds.
USB Powered Input: Works with any standard USB power source — power banks, wall adapters, laptop ports, and more.
Wide Application Range: Perfect for powering Arduino, Raspberry Pi accessories, LED strips, sensors, motors, and other low-voltage electronics.
Easy Adjustment: On-board potentiometer for quick and precise voltage and current tuning without additional tools.
Stable & Efficient: Efficient switching design minimises heat and maximises power conversion accuracy.

Specifications

Input: USB 5V
Output Voltage: Adjustable (approx. 3.3V – 24V)
Output Current: Adjustable
Function: Boost & Buck (Step-Up & Step-Down)
Interface: USB input + screw terminal / pin output

Perfect For

DIY electronics prototyping & breadboarding
Arduino, ESP32, and Raspberry Pi projects
LED driver circuits
Bench power supply setups
Hobbyist and maker workbenches

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Frequently Asked Questions

Q: What does a boost buck power supply module do?

A: A boost buck (step-up/step-down) power supply module can both increase and decrease an input voltage to deliver a stable, adjustable output. This USB module takes a 5V USB input and lets you dial in any output voltage from approximately 3.3V up to 24V, making it extremely flexible for electronics projects.

Q: What USB power sources are compatible with this module?

A: This module works with any standard 5V USB power source, including USB wall adapters, portable power banks, desktop USB ports, and USB hubs. As long as the source can supply sufficient current for your load, the module will regulate the output accurately.

Q: Can I use this module to power an Arduino or Raspberry Pi?

A: Yes! This adjustable boost buck module is a popular choice for powering microcontroller boards like Arduino and Raspberry Pi accessories, as well as sensors, LED strips, small motors, and other low-voltage electronics that require a specific regulated voltage and current.

Q: How do I adjust the output voltage and current?

A: The module features an on-board potentiometer (adjustment dial). Turn it to set your desired output voltage and current level. A multimeter is recommended to verify your output settings before connecting sensitive components.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.