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AC-DC isolated switching step-down power supply module
AC-DC isolated switching step-down power supply module—efficient and safe DC output, ideal for Arduino, IoT, and embedded electronics projects.
The AC-DC Isolated Switching Step-Down Power Supply Module is a compact and efficient solution for converting AC mains voltage into a stable DC output for electronic circuits. Its isolated switching design ensures safety and protection for sensitive electronics while providing high efficiency and minimal heat generation.
This module supports adjustable output voltage and current (depending on the model) and is ideal for powering Arduino, ESP32, Raspberry Pi, LED strips, sensors, and other low-voltage devices. The isolation between input and output helps prevent electrical noise and protects connected circuits from AC mains hazards.
Widely used in DIY electronics, home automation, embedded systems, and industrial applications, this step-down module provides a safe, reliable, and efficient DC power source for various electronic projects.

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- Rated maximum output: ± 4.5A, 40V, Peak 5A, low output impedance, source 0.5?,
- the receiving end of 0.4?, low voltage shutdown, thermal parking and circulation.
- circuit protection. After I design, you can set the current output of 0.5A 1A 1.8A 2.5A.
- 3.3A 4A 4.5A to accommodate more and different motor Current.
- The drive is suitable software mach2, mach3, (mach3 have support WIN7 system), KCAM4 like.

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