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🔹 PC817 Optocoupler Isolation Module
2 / 4 / 8-Channel Signal and Ground Isolation Board
📌 Product Description
The PC817 Optocoupler Isolation Board provides electrical isolation between input and output circuits. It helps reduce noise, prevent ground loops, and protect connected equipment from reverse voltage and interference.
Suitable for controlling 12V / 24V circuits using 3.3V or 5V signals from Arduino, ESP32, PLCs, and industrial control systems.
⚙️ Key Features
🔌 Electrical and ground isolation for noise reduction
🔄 Available in 2 / 4 / 8-channel versions
⚡ Compatible with 3.3V and 5V control signals
🔋 Supports output voltages up to 24–30V
🛡 Helps protect equipment from interference and reverse voltage
🔧 Jumper-selectable High-Level / Low-Level output
🔁 Independent channels can operate at different voltages
🔧 Technical Specifications
● Optocoupler: PC817
● Channels: 2 / 4 / 8
● Input signal voltage: 3.6–24V
● Output voltage: 3.6–30V
● Maximum output current: Up to 10mA, depending on application
● Signal frequency: Up to 4kHz
● Output modes: High Level / Low Level selectable
● Independent channel operation
📦 Package Includes
1 × PC817 Isolation Board in the selected channel version