Features:
- Wide Input Voltage Range: Accepts 4–40V DC, suitable for various power sources.
- Adjustable Output Voltage: Output voltage range of 1.25–37V DC for flexible usage.
- High Output Capacity: Delivers up to 2A continuous current for powering demanding devices.
- Built-in Digital Voltmeter: Onboard voltmeter displays voltage between 0–40V with ±0.1V accuracy.
- Multiple Protections: Includes reverse polarity protection, output short circuit protection, and thermal shutdown.
- Compact Size: Small form factor and lightweight design make it suitable for embedded use.
Specifications:
- Input Voltage: 4V – 40V DC
- Output Voltage: 1.25V – 37V DC (Adjustable)
- Output Current: Up to 2A
- Voltmeter Accuracy: ±0.1V
- Dimensions: 6.1 x 3.4 x 1.2 cm
- Weight: 22g
- Display: LED Digital Voltmeter Tube
Pinout:

How the Module Works:
The module allows easy adjustment of the output voltage using an onboard potentiometer. The LED display shows either input or output voltage, which can be toggled using the onboard button. Calibration procedures can be followed for increased accuracy.
Applications:
- Battery charging circuits
- Power supply regulation for Arduino and microcontrollers
- DIY electronic projects
- Voltage step-down in automotive systems
Features:
- Wide Input Voltage Range: Accepts 4–40V DC, suitable for various power sources.
- Adjustable Output Voltage: Output voltage range of 1.25–37V DC for flexible usage.
- High Output Capacity: Delivers up to 2A continuous current for powering demanding devices.
- Built-in Digital Voltmeter: Onboard voltmeter displays voltage between 0–40V with ±0.1V accuracy.
- Multiple Protections: Includes reverse polarity protection, output short circuit protection, and thermal shutdown.
- Compact Size: Small form factor and lightweight design make it suitable for embedded use.
Specifications:
- Input Voltage: 4V – 40V DC
- Output Voltage: 1.25V – 37V DC (Adjustable)
- Output Current: Up to 2A
- Voltmeter Accuracy: ±0.1V
- Dimensions: 6.1 x 3.4 x 1.2 cm
- Weight: 22g
- Display: LED Digital Voltmeter Tube
Pinout:

How the Module Works:
The module allows easy adjustment of the output voltage using an onboard potentiometer. The LED display shows either input or output voltage, which can be toggled using the onboard button. Calibration procedures can be followed for increased accuracy.
Applications:
- Battery charging circuits
- Power supply regulation for Arduino and microcontrollers
- DIY electronic projects
- Voltage step-down in automotive systems