: While rated for 3A, the module can get hot. If drawing more than 2A continuously, it is recommended to add a small heatsink or provide active cooling.
You can find the HW-133 v1.0 module at retailers like AliExpress , All Mart , or U-Electronics .
: Stepping down power for Arduino, ESP32, or Raspberry Pi systems. Hw-133-v1.0 Datasheet
: Always measure the output with a multimeter before connecting your load to ensure the potentiometer is set to the correct voltage.
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 : While rated for 3A, the module can get hot
: Its small size makes it ideal for space-constrained applications like drone builds or portable battery-powered devices. Low Ripple : Provides a clean output signal ( ripple), which is critical for sensitive microcontrollers. Pinout and Connection Guide
: Driving high-power LEDs that require consistent voltage and current. : Stepping down power for Arduino, ESP32, or
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
: Creating a variable bench power supply from a generic laptop adapter. Usage Tips & Safety