Looking for the best optocoupler modules to enhance your electronics projects? Our guide offers a curated list of top options, ensuring you find the perfect module for efficient signal isolation and circuit protection.
Optocoupler modules are essential tools for isolating signals and controlling voltages in electronic projects. They protect circuits from interference and ensure stable performance. Whether you’re working with microcontrollers, PLCs, or motors, these modules offer reliable solutions.
These modules come in various channel options, from 1-channel to 8-channel, and support a wide range of voltages. They are easy to use and versatile, making them perfect for both beginners and experts. With features like screw terminals and jumper caps, wiring is simple and hassle-free.
If you’re looking to enhance your projects with efficient signal isolation, you’re in the right place. Our guide will help you find the best optocoupler module for your needs. Let’s dive in and explore the top options that will take your electronics game to the next level!
List of Top 10 Optocoupler Modules
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AOICRIE 4pcs PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module |
This AOICRIE 4pcs PC817 4 Channel Optocoupler Isolation Board is perfect for hobbyists, engineers, and makers who need to control different voltages at the same time or isolate signals in their projects. It’s ideal for microcontrollers, transistors, or MOS tubes and works best with low-frequency pulse signals below 3KHZ. |
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NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation and Anti-Interference 3-5V 12V 24V (Pack of 2) (12V) |
This NOYITO Optocoupler Isolation Module is perfect for hobbyists, students, and professionals working with microcontrollers, motors, or sensors. It’s ideal for anyone needing to protect circuits from interference or handle different voltage levels in their projects. |
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AOICRIE 2pcs PC817 8 Channel Optocoupler Isolation Board Voltage Converter Module 3.6-30V Photoelectric Isolated Module 817 Voltage Isolation Module |
This product is perfect for electronics enthusiasts and professionals who need to control different voltages at the same time. It’s ideal for projects that require voltage conversion and strong anti-interference ability. |
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NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation and Anti-Interference 3-5V 12V 24V (Pack of 2) (3-5V) |
This NOYITO Optocoupler Isolation Module is perfect for hobbyists, students, and professionals working with microcontrollers, motors, or sensors. It’s ideal for anyone needing to protect circuits from interference or handle different voltage levels in their projects. |
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DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module |
This DONGKER Optocoupler Isolation Board is perfect for anyone needing reliable signal conversion and voltage isolation. It’s ideal for DIY projects, industrial automation, or hobbyists working with sensors, motors, or microcontrollers. |
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AEDIKO 4pcs DC 5V Relay Module – 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger |
This AEDIKO 4pcs DC 5V Relay Module is perfect for DIY enthusiasts and makers who need a reliable and safe way to control high-power devices with low-power signals. It’s ideal for projects using Raspberry Pi, Arduino, or other microcontrollers. |
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AOICRIE 8pcs PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module |
This product is perfect for anyone who needs to control different voltages at the same time. It’s great for microcontrollers or devices needing voltage isolation in projects with low-frequency signals. |
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DONGKER Optocoupler Isolation Board, 24V to 3.3V 8-Channel Photoelectric Isolation Module Level Voltage Converter PNP Output PLC Signal |
This DONGKER Optocoupler Isolation Board is perfect for anyone working with MCUs, PLCs, or signal conversion. It’s ideal for transforming PNP/NPN signals and isolating voltage levels in projects or systems. |
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AOICRIE 6pcs PC817 1 Channel Optocoupler Isolation Module 1CH Optocoupler PC817 3-5V 12V 24V Photoelectric Isolator PNP NPN Signal Converter Rail Holder PLC Drive Motor Board |
This AOICRIE 6pcs PC817 Optocoupler Isolation Module is perfect for hobbyists, makers, and professionals working with microcontrollers, motors, or PLC systems. It’s ideal for anyone needing to isolate signals, protect circuits, or match voltage levels in their projects. |
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Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module for Arduino (Pack of 5) |
This Teyleten Robot DC 1 Channel Optocoupler Relay Module is perfect for DIY enthusiasts and hobbyists who need a reliable, isolated control board for their Arduino projects. It’s also great for anyone working with low-voltage systems like 3V or 3.3V setups. |
Detailed Reviews
Discover the top 10 Optocoupler Modules handpicked for performance and value. Each module is expert-reviewed and customer-approved, ensuring you find the perfect fit for your projects. Whether you need signal isolation, voltage control, or anti-interference, this guide has you covered—read on to find your ideal match!
1. AOICRIE 4pcs PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module
The AOICRIE 4pcs PC817 is a 4-channel optocoupler isolation board. It helps control different voltages at the same time. This module is great for voltage isolation in projects.
It works with input voltages from 3.6V to 24V. The output voltage ranges from 3.6V to 30V. Use it with microcontrollers or other devices for easy control.
A jumper cap lets you choose high or low output. It’s not for signals over 3KHZ. Perfect for small voltage control tasks.
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Perfect For:
This AOICRIE 4pcs PC817 4 Channel Optocoupler Isolation Board is perfect for hobbyists, engineers, and makers who need to control different voltages at the same time or isolate signals in their projects. It’s ideal for microcontrollers, transistors, or MOS tubes and works best with low-frequency pulse signals below 3KHZ.
Ready to Purchase?
2. NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation and Anti-Interference 3-5V 12V 24V (Pack of 2) (12V)
The NOYITO 1-Channel PC817 Optocoupler Isolation Module is a handy tool for signal isolation and anti-interference. It uses 5.0 pitch screw terminals for easy wiring and works with 3-5V, 12V, or 24V inputs.
This module protects circuits from interference, detects high voltage, and amplifies current. It’s simple to use and versatile for various projects.
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Perfect For:
This NOYITO Optocoupler Isolation Module is perfect for hobbyists, students, and professionals working with microcontrollers, motors, or sensors. It’s ideal for anyone needing to protect circuits from interference or handle different voltage levels in their projects.
Ready to Purchase?
3. AOICRIE 2pcs PC817 8 Channel Optocoupler Isolation Board Voltage Converter Module 3.6-30V Photoelectric Isolated Module 817 Voltage Isolation Module
The AOICRIE 2pcs PC817 8 Channel Optocoupler Isolation Board is a voltage converter module that lets you control different voltages at the same time. It works with a wide voltage range, from 3.6V to 30V, making it versatile for various projects.
This module offers strong anti-interference ability and can drive high-power components like triodes and MOS tubes. It’s also great for low-power 24V relays. Remember, it’s not for pulse signals above 4KHZ.
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Perfect For:
This product is perfect for electronics enthusiasts and professionals who need to control different voltages at the same time. It’s ideal for projects that require voltage conversion and strong anti-interference ability.
Ready to Purchase?
4. NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation and Anti-Interference 3-5V 12V 24V (Pack of 2) (3-5V)
The NOYITO 1-Channel PC817 Optocoupler Isolation Module is a reliable tool for signal isolation. It protects circuits from interference and ensures stable performance. This pack of 2 modules is easy to use and versatile.
It works with 3-5V, 12V, or 24V input signals, making it suitable for various projects. The output voltage ranges from 1.8V to 24V, offering flexibility in applications.
Use it for high-voltage detection, current amplification, or isolating motors. Its screw terminals make wiring simple and hassle-free.
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Perfect For:
This NOYITO Optocoupler Isolation Module is perfect for hobbyists, students, and professionals working with microcontrollers, motors, or sensors. It’s ideal for anyone needing to protect circuits from interference or handle different voltage levels in their projects.
Ready to Purchase?
5. DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module
The DONGKER Optocoupler Isolation Board is a compact and efficient solution for signal conversion. It offers 8-channel input and output, making it versatile for various applications. This board ensures reliable optocoupler isolation control.
With support for DC 3.3V to 5V input, it’s compatible with many systems. The NPN/PNP signal output allows for easy integration. It handles DC 1.8V-24V load voltage, providing flexibility.
This module is ideal for projects needing signal isolation. Its simple design and clear functionality make it user-friendly. A great choice for efficient voltage isolation.
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Perfect For:
This DONGKER Optocoupler Isolation Board is perfect for anyone needing reliable signal conversion and voltage isolation. It’s ideal for DIY projects, industrial automation, or hobbyists working with sensors, motors, or microcontrollers.
Ready to Purchase?
6. AEDIKO 4pcs DC 5V Relay Module – 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger
The AEDIKO 4pcs DC 5V Relay Module is a 1-channel relay switch board with optocoupler isolation. It works with 5V power and handles high loads safely. This module is easy to use and reliable.
It has a fault-tolerant design, so it won’t operate if the control line breaks. The jumper design lets you set high or low signal triggers. All interfaces can be wired out directly.
This relay module is versatile and works with ARM, PIC, AVR, MCU, Raspberry, CNC, and PS4. Its optocoupler isolation protects your I/O ports from damage. A great choice for projects needing stable performance.
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Perfect For:
This AEDIKO 4pcs DC 5V Relay Module is perfect for DIY enthusiasts and makers who need a reliable and safe way to control high-power devices with low-power signals. It’s ideal for projects using Raspberry Pi, Arduino, or other microcontrollers.
Ready to Purchase?
7. AOICRIE 8pcs PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module
The AOICRIE 8pcs PC817 is a 2-channel optocoupler isolation board. It lets you control different voltages at the same time. This module is easy to use and versatile.
It works with a wide voltage range, from 3.6V to 30V. You can use it with microcontrollers or other devices for voltage isolation control.
Remember, the output current depends on your setup. Also, this module is not suitable for pulse signals above 3KHZ.
| Pros | Cons |
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Perfect For:
This product is perfect for anyone who needs to control different voltages at the same time. It’s great for microcontrollers or devices needing voltage isolation in projects with low-frequency signals.
Ready to Purchase?
8. DONGKER Optocoupler Isolation Board, 24V to 3.3V 8-Channel Photoelectric Isolation Module Level Voltage Converter PNP Output PLC Signal
The DONGKER Optocoupler Isolation Board is a compact and efficient solution for your signal conversion needs. It measures just 859818mm, making it easy to fit into your projects.
This board uses optocoupler technology to isolate and convert signals. It can handle a limit conversion frequency of 20KHz, ensuring smooth operation. The module is designed for signal isolation and level conversion, making it ideal for MCUs and PLCs.
With this board, you can easily transform PNP and NPN signals into PNP signals. It’s perfect for signal level voltage conversion. Plus, with reliable after-sales service, you can shop with confidence and get support whenever you need it.
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Perfect For:
This DONGKER Optocoupler Isolation Board is perfect for anyone working with MCUs, PLCs, or signal conversion. It’s ideal for transforming PNP/NPN signals and isolating voltage levels in projects or systems.
Ready to Purchase?
9. AOICRIE 6pcs PC817 1 Channel Optocoupler Isolation Module 1CH Optocoupler PC817 3-5V 12V 24V Photoelectric Isolator PNP NPN Signal Converter Rail Holder PLC Drive Motor Board
The AOICRIE 6pcs PC817 Optocoupler Isolation Module is a 1-channel device. It uses 5.0 pitch screw terminals for easy wiring. This module works with DC 3V-5V/12V/24V input signals.
It’s great for isolating signals in projects. Use it to protect circuits from interference. It’s also a level converter for NPN-PNP or PNP-NPN signals.
This board is perfect for PLC drive motor setups. It ensures level matching between devices. It’s a handy tool for MCU control in isolation.
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Perfect For:
This AOICRIE 6pcs PC817 Optocoupler Isolation Module is perfect for hobbyists, makers, and professionals working with microcontrollers, motors, or PLC systems. It’s ideal for anyone needing to isolate signals, protect circuits, or match voltage levels in their projects.
Ready to Purchase?
10. Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module for Arduino (Pack of 5)
The Teyleten Robot DC 1 Channel Optocoupler Relay Module is a high-level driver board designed for Arduino. It comes in a pack of 5 and works with 3V/3.3V systems. This module uses an original Songle Relay for reliable performance.
It handles 10A 250VAC and 10A 30VDC loads, making it versatile for various projects. The optocoupler isolator ensures safe, isolated control for your circuits.
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Perfect For:
This Teyleten Robot DC 1 Channel Optocoupler Relay Module is perfect for DIY enthusiasts and hobbyists who need a reliable, isolated control board for their Arduino projects. It’s also great for anyone working with low-voltage systems like 3V or 3.3V setups.
Ready to Purchase?
Buying Guide
Optocoupler modules are essential tools for isolating signals and controlling voltages in electronic projects. They protect circuits from interference and ensure stable performance. Whether you’re a beginner or an expert, these modules offer reliable solutions.
Choosing the right optocoupler module can enhance your projects and make your work more efficient. Here’s a simple guide to help you find the best optocoupler module for your needs.
Factors to Consider When Buying Optocoupler Modules:
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Channel Options:
Choose between 1-channel, 2-channel, 4-channel, or 8-channel modules based on your project needs. More channels allow you to control multiple signals at once. -
Voltage Range:
Ensure the module supports your required input and output voltages. Common ranges include 3.3V to 30V, but check for compatibility. -
Signal Isolation:
Look for modules with strong anti-interference ability to protect your circuits from noise and ensure stable performance. -
Ease of Use:
Modules with screw terminals and jumper caps make wiring simple and hassle-free, ideal for both beginners and experts. -
Frequency Limits:
Check the module’s frequency limit (e.g., 3KHZ, 4KHZ, or 20KHZ) to ensure it works with your signal types. -
Compatibility:
Verify compatibility with your devices, such as microcontrollers, PLCs, motors, or Arduino boards. -
Size and Design:
Compact modules like the DONGKER Optocoupler Isolation Board save space and fit easily into your projects. -
Additional Features:
Some modules offer level conversion, high/low trigger options, or fault-tolerant designs for added versatility. -
Reliability:
Choose modules from trusted brands with reliable after-sales service for peace of mind.
With these factors in mind, you’re ready to pick the best optocoupler module for your electronics projects. Happy building!