: Creating a variable bench power supply from a generic laptop adapter. Usage Tips & Safety
The HW-133 v1.0 is typically based on the high-frequency switching regulator, which allows for a miniature design without sacrificing power. Specification Input Voltage 4.5V to 28V DC Output Voltage 0.8V to 20V DC (Adjustable) Max Output Current 3A (requires heat sinking for sustained high loads) Switching Frequency 1.0 MHz (typical) to 1.5 MHz (max) Conversion Efficiency Operating Temp -40°C to +85°C Dimensions 25mm x 20mm x 4mm Key Features
The is a highly versatile DC-DC step-down (buck) converter module designed to efficiently lower a higher input voltage to a stable, lower output voltage. Widely utilized in robotics and DIY electronics, it is often favored for its compact footprint and high efficiency. Technical Specifications Hw-133-v1.0 Datasheet
: Powering 5V servos or sensors from a 12V or 24V battery.
: By using high-frequency switching, this module minimizes energy loss as heat compared to linear regulators. : Creating a variable bench power supply from
: An onboard precision potentiometer allows users to fine-tune the output voltage to meet specific project needs.
: Stepping down power for Arduino, ESP32, or Raspberry Pi systems. Widely utilized in robotics and DIY electronics, it
You can find the HW-133 v1.0 module at retailers like AliExpress , All Mart , or U-Electronics .