PCB For Isolated AC mains Voltage Detection Module

Description

PCB For Isolated AC mains Voltage Detection Module

Product Overview

The UGE AC 220V Sensor Bare PCB is a high-quality DIY circuit board designed for building your own AC mains voltage detection module.
It allows makers, students, and hobbyists to safely interface 220V AC signals with microcontrollers like Arduino, ESP32, STM32, and others — using optical isolation for protection.

This board is part of UGE Electronics’ DIY educational series — ideal for learning soldering skills, electronics assembly, and circuit understanding.

Features

• High-quality FR-4 PCB, double-sided with clear silkscreen labels

• Designed for self-soldering (DIY kit use)

• Circuit based on PC817 optocoupler isolation

• Supports LED indicator for AC detection

• Terminals for AC input and logic output

• Compatible with 5V or 3.3V logic microcontrollers

• Schematic and interactive BOM provided for easy assembly

• Durable solder mask with large pads for beginners

PCB Specifications

Assembly Information

• All component values and positions are clearly marked on silkscreen.

• You can use standard SMD and through-hole components as indicated.

• The module design includes:

  • Bridge rectifier (B5) DB107S

  • Optocoupler (PC817) and Pull up resistor R10=10K

  • Filter capacitor (47µF) 50V Rated

  • LED indicator

  • A full interactive BOM are provided for easy DIY soldering and testing.

🧠 Learning & DIY Applications

• Electronics assembly and soldering practice

• Safe AC voltage detection circuit design

• IoT or automation project prototyping

• Educational kits for students and labs