Top 16 IO Modules on Amazon (Verified You can Buy)
16 Channels IO Extension Module with I2C Interface for MCP23017 Chip 5V 3.3V Compatible 100Khz 400Khz 1.7Mhz Support High Speed IC Interface
Ratings for Hyuduo (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Mixitech-US | - | ❌ | ❌ | ❌ |
Features
PLC debug Board/Simulation board/16-channel Input and Output Test Board/PLC Learning Accessories/Switch Quantity IO Module
Ratings for Generic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| SmartTrend Global LLC | - | ❌ | ❌ | ❌ |
Features
Siemens 6ED1052-1MD08-0BA0 LOGO! 12/24RCE, logic module, disp PS/I/O: 12/24VDC/relay, 8 DI (4AI)/4DO, memory 400 blocks, modular expandable, Ethernet
Ratings for SIEMENS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Industry4u | - | ✅ | ✅ | ✅ |
| Chip and Processor Inc. | - | ❌ | ❌ | ❌ |
Pibiger JIO Module USB to IO Debug Module,USB to PWM ADC IO Tool, 12-bit ADC, 4-Channel IO, Windows Compatible,Comes with English User Manual,Software,CMD Command,Dll for C#,Python Development
Ratings for Pibiger (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Pibiger | - | ❌ | ❌ | ❌ |
Features
MusRock PCA9555 16-Bit I/O Expander I2C GPIO Module 16 Digital Input Output for Arduino
Ratings for MusRock (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| dragonlee | - | ❌ | ❌ | ❌ |
Features
Hosrivae MCP23017 I2C GPIO Expander Board 2-Pack, 16 Channel I/O Module with Pull-Up Resistors and Interrupt Output, 25mA Drive Current for Microcontroller Projects and Robotics
Ratings for Hosrivae (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Yecuistore | - | ❌ | ❌ | ❌ |
Features
4pcs IO Expander Board Module, MCP23017 I2C to IO Port Expander Module, 16-Bit Serial Interface Sensor IC with Programmable Interrupt
Ratings for HanOaki (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| haodeals | - | ❌ | ❌ | ❌ |
Features
Waveshare Industrial 8-Ch Digital Input & Output Module, DC 7~36V Wide Voltage Power Supply, Modbus RTU Protocol, Multiple Isolation Protection Circuits, Rail-Mount Support
Ratings for waveshare (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| waveshare | - | ❌ | ❌ | ❌ |
Features
Industrial 8-Ch Ethernet Digital Input/Output Module, Modbus RTU/TCP Protocol, Supports PoE Power Supply, with Various Isolation Protection Circuits @XYGStudy (Modbus POE ETH IO 8CH)
Ratings for XYGStudy (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| XYGStudy | - | ❌ | ❌ | ❌ |
Features
MCP23017 16-Channel IO Expansion Module With I2C Interface, 3.0V-5.5V, 25MA Drive, For Arduino Industrial Projects(TCA9555)
Ratings for Generic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ZhiweiDZ | - | ❌ | ❌ | ❌ |
Features
CQRobot MCP23017 IO Expansion Board Compatible with Raspberry Pi/Micro:bit/Arduino/STM32. I2C Interface Control, 2 Signal Pins Increase to 16 Input/Output Pins, Supports UP to 8 Simultaneous Uses.
Ratings for CQRobot (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| CQRobot | - | ❌ | ❌ | ❌ |
Features
TKOWTB PCA9698 Module IO Expansion Module GPIO Level Conversion 16-Way Non-MCP23017 PCF8575 PCA9698
Ratings for TKOWTB (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| taiyuanjiandefeisheng | - | ❌ | ❌ | ❌ |
Features
INDUSTRIAL MRO C320KGS20 SER. A2 NSMP-OEM
Ratings for INDUSTRIAL MRO (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| LiveWire Electrical Supply, Inc. | - | ❌ | ❌ | ❌ |
PUSR 4*AI, 4*DO IO Extender IO Controller Extendable Remote IO Module RS485 Interface Modbus RTU Protocol USR-IO0440
Ratings for PUSR (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| PUSR IOT Technology Limited | - | ❌ | ❌ | ❌ |
Features
16 Input 16 Output Expansion Board RS485 16 Channel Remote Control Switch Module DC 6.5‑30V for PLC IO Smart Home Automation
Ratings for LiebeWH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Danyanty | - | ❌ | ❌ | ❌ |
Features
eletechsup 8 Channel Analog Output Module, 0-10V/0-5V, RS485 Modbus RTU, Voltage PLC Remote IO Expansion Board
Ratings for eletechsup (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| QI FAN Electronic Mall | - | ❌ | ❌ | ❌ |
Features
Top 10 IO Modules - Verified to Buy (September 2026)
- 1. 16 Channels IO Extension Module with I2C Interface for MCP23017...
- 2. PLC debug Board/Simulation board/16-channel Input and Output Test Board/PLC Learning...
- 3. Siemens 6ED1052-1MD08-0BA0 LOGO! 12/24RCE, logic module, disp PS/I/O: 12/24VDC/relay, 8...
- 4. Pibiger JIO Module USB to IO Debug Module,USB to PWM...
- 5. MusRock PCA9555 16-Bit I/O Expander I2C GPIO Module 16 Digital...
- 6. Hosrivae MCP23017 I2C GPIO Expander Board 2-Pack, 16 Channel I/O...
- 7. 4pcs IO Expander Board Module, MCP23017 I2C to IO Port...
- 8. Waveshare Industrial 8-Ch Digital Input & Output Module, DC 7~36V...
- 9. Industrial 8-Ch Ethernet Digital Input/Output Module, Modbus RTU/TCP Protocol, Supports...
- 10. MCP23017 16-Channel IO Expansion Module With I2C Interface, 3.0V-5.5V, 25MA...
Top 10 IO Modules Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- Hyuduo
- Generic
- SIEMENS
- Pibiger
- MusRock
- Hosrivae
- HanOaki
- waveshare
- XYGStudy
- CQRobot
Top 8 IO Modules Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. waveshare : 1,220 Yearly Feedback , Avg. Ratings 4.7
- 2. Danyanty : 1,061 Yearly Feedback , Avg. Ratings 4.8
- 3. XYGStudy : 994 Yearly Feedback , Avg. Ratings 4.7
- 4. CQRobot : 461 Yearly Feedback , Avg. Ratings 4.9
- 5. Mixitech-US : 412 Yearly Feedback , Avg. Ratings 4.5
- 6. Chip and Processor Inc. : 115 Yearly Feedback , Avg. Ratings 3.9
- 7. Industry4u : 78 Yearly Feedback , Avg. Ratings 4.8
- 8. Pibiger : 10 Yearly Feedback , Avg. Ratings 4.4
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | waveshare | 1,220 | 4.7 |
| 🥈 | Danyanty | 1,061 | 4.8 |
| 🥉 | XYGStudy | 994 | 4.7 |
| 4 | CQRobot | 461 | 4.9 |
| 5 | Mixitech-US | 412 | 4.5 |
| 6 | Chip and Processor Inc. | 115 | 3.9 |
| 7 | Industry4u | 78 | 4.8 |
| 8 | Pibiger | 10 | 4.4 |
[Get] IO Modules Deals (✅Exclusively for Prime)
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Why Should You Trust Us?
Now hundreds and thousands of Industrial Electrical supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best IO Modules to buy for new September 2026?
CherryPicks’s Methodology for Evaluating IO Modules
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Industrial Electrical items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 172 of IO Modules reviews based on our selection criteria. It helped us shortlist the top qualified and rated IO Modules for Industrial Electrical, We found that most customers choose IO Modules with an average price of $53.32, and the top brands are Generic, SIEMENS, waveshare, CQRobot, Hyuduo, LiebeWH, XYGStudy, Pibiger And INDUSTRIAL MRO.
Then our expert-level editors reviewed all those quality items and selected the top 16 IO Modules for you, We have researched hundreds of sellers and picked the top sellers for Industrial Electrical, including waveshare, Danyanty, XYGStudy, CQRobot, Mixitech-US, Chip and Processor Inc., Industry4u And Pibiger. The 16 Channels IO Extension Module with I2C Interf... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 1 consumers with an average rating of 5.0.
We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick IO Modules to buy.
Ronald M. Bieber has rich experience as a science lab instructor in a college and this has provided him with the right requisite knowledge and experience to be a professional in the act of spotting the right and wrong product. He would be helping us make the right choice in this regard.