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KiCad 8.0KiCad
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12-24V AC to DC 5V Converter Module
Why Did I Decide to Make It?
Many embedded systems and microcontroller-based projects require a stable 5V DC power source, but standard power adapters are not always available. This module allows users to convert low-voltage AC (from a transformer) into 5V DC efficiently, making it ideal for IoT devices, Arduino projects, sensors, and embedded applications.
How Does It Work?
AC Input: The circuit takes a 12V–24V AC input from a step-down transformer.
Bridge Rectification: A full-wave rectifier (4× 1N4007 diodes) converts AC to pulsating DC.
Smoothing: A 2200µF capacitor removes ripples, providing a more stable DC voltage.
Voltage Regulation: The LM7805 regulator ensures a constant 5V DC output.
Power Indication: An LED with a 330Ω resistor confirms proper operation.
DC Output: The module provides a clean 5V DC output, ready to power microcontrollers or other low-power circuits.
12-24V AC to DC 5V Converter Module
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
PCBWay is not responsible
for issues caused by unsuitable parameter selections.
For more important ordering information, please refer to
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