The Best IO Modules - We Kompare

Looking for the best IO Modules?

Discover now our comparison of the best IO Modules. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best IO Modules are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the IO Modules in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

NI Usb-6009 Multifunctional Data Acquisition Module 779026-01 DAQ

8-channel analog input (14 bits, 48 kS/s);2-channel analog output (12 bits, 150 S/ S).
12-channel digital I/O; 32 bit counter.Bus power supply to achieve high mobility; Built-in signal connection.
This product provides basic data acquisition functions for applications such as simple data recording, portable measurement and college laboratory experiments. The product is less expensive, but it is powerful enough to handle more complex measurement applications.
Compatible with LabVIEW, LabWindows/CVI and Measurement Studio for Visual Studio.NET
Products are tested before delivery to ensure normal function.

No. 2

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

Configurable device address (1~255), multi devices can be cascaded on RS485 bus
Onboard voltage regulator, supports 7~36V wide range power supply. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference
Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic
Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. Supports DI/DO linkage control or DO toggle control
The output utilizes Darlington transistors with optocoupler isolation, provides stronger driving capability with up to 500mA sinking current, built in flyback diode protection
Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the output for a while and then close it automatically
Rail-mount case design, support stacking combination, easy to install and safer to use
Multiple LEDs for indicating the input & output status, MCU status and signal transceiving status

No. 3

16 Input 16 Output Expansion Board RS485 16 Channel Remote Control Switch Module DC 6.5 to 30V PLC IO Module for Smart Home

16 IN 16 OUT: PLC expansion board 16 channel input can remotely control 16 channels of output of another board via RS485 bus (relevant registers need to be set)
APPLICATION: 16 Channel RS485 module is widely used in PLC IO expansion board, smart home, home automation, camera, security surveillance, identification system, network camera, LED light driver and automatic curtain control
MULTIFUNCTION: 16 input 16 output expansion board has 6 commands, namely open, close, instantaneous, self locking, interlocking and delay, with strong functionality, can meet your uisng requirement
EASY INSTALLATION: The power expansion module is small and compact, with mounting holes, DIN35 and C45 rail installation design, backplane length is suitable for about 100mm / 3.9in PCB board
SIMPLE WIRING: The 16 channel expansion board circuit has been repeatedly debugged, the PCB wiring is simple and there is little interference, convenient to use

No. 4

WAGO 750-530 I/O MODULES

Price For: EachOrder Unit: Each 1 Accessory Type:: 8 Channel Digital Output Module Current Rating:: 25 External Depth:: 100 External Width:: 12 For Use With:: Wago Modular Input / Output Systems Length:: 64 No. of Digital Outputs:: 8 RoHS Compliant:: Yes SVHC:: No SVHC (17-Dec-2014) Voltage Rating:: 24

No. 5

iO HVAC Controls UT-SWM Universal Thermostat Smart Wire Module with 2 to 5 Wire Adapter

No. 6

Measurement Computing USB-1024HLS 24-Bit Digital I/O DAQ Module

DAQ Module with High Output Current (15 mA Source, 64 mA Sink)
24 Digital I/O Channels and 1 Event Counter Input
Powered by USB Port. No External Power Adapter Required
Includes MCC Software Suite (TracerDAQ, InstaCal, Drivers for DASYLab and Universal Libraries) Available as a Download, User Manual and USB Cable

No. 7

Arduino Pro Opta Ext D1608E [AFX00005] – Expansion Module with 16 Voltage Inputs & 8 Relays (250VAC 6A) for Real-Time Control, Monitoring & Predictive Maintenance

Seamless Expansion with 16 Voltage Inputs & 8 Relays – Boost your Opta system with 16 programmable voltage inputs (digital or analog) and 8 electromechanical relays (250VAC, 6A) for reliable control over your applications.
Flexible & Modular Design – Snap on up to 5 extension modules to your Opta base unit for expanded I/Os; mix and match configurations as needed for tailored system functionality.
Easy Integration with Arduino & PLC IDE – Enjoy open programming support via the Arduino ecosystem or PLC IDE (IEC 61131-3), enabling simple, low-code setup with pre-mapped resources for quick deployment.
Effortless Monitoring & Remote Control – Use Arduino Cloud for real-time monitoring and secure communication, transforming your Opta-based applications into remotely managed, connected solutions.
Industrial-Grade Durability – Built with Finder’s expertise and certified for industrial reliability, this expansion module is designed for long-lasting performance in manufacturing, automation, and control environments.

No. 8

Waveshare Compute Module 5 IO Board+Case, Compatible with All Variants of Raspberry Pi CM5, with PoE Feature, Bundle with Board+ Case+Power Supply

standard CM5 socket and Raspberry Pi 40PIN GPIO header suitable for all variants of Compute Module 5
Faster reading/writing speed compared to the TF card slot of Raspberry Pi, greatly improving reading/writing efficiency of the system or files, support booting Raspberry Pi from NVMe Solid State Drive
Onboard connectors including MIPI / M.2 / HDMI / USB / ETH / TF Card Slot
Each cut-out is completely aligned with the connector
Comes with cooling fan, combined with the airflow vent, better heat dissipation

No. 9

for Raspberry Pi Compute Module 4 IO Board Development Platform and Reference Base-Board Design for CM4 with Cables @XYGStudy

Part Number: Compute Module 4 IO Board with Cables -- Compute Module 4 Acce A
Raspberry Pi Compute Module 4 IO Board, a development platform and reference base-board design for CM4
The Compute Module 4 IO Board is a companion board for Raspberry Pi Compute Module 4 (supplied separately). It is designed for use both as a development system for Compute Module 4 and as an embedded board integrated into end products.
The IO board is designed to allow you to create systems quickly using off-theshelf parts such as HATs and PCIe cards, which might include NVMe, SATA, networking, or USB. The major user connectors are located along one side to make enclosures simple.
Compute Module 4 IO Board also provides an excellent way to prototype systems using the Compute Module 4.
Package Contains: Compute Module 4 IO Board x1, USB-A to micro-B cable 1.2m x1, RPi Zero V1.3 Camera Cable 15cm (CSI adapter) x1, Power supply 12V 2A x1, CM-DSI-ADAPTER x1.

No. 10

Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs)

based on I2C interface of the I/O expansion module, 2 I/O scalable 8 I/O (can be used at the same time up to 8 PCF8574, expanded to 64 input/output (I/O)
Supports two interface type to access the target board: header or seat;Support I2C bus cascade (through the header, seat docking simulation,, at the same time using a plurality of I2C module)
the I/O resources in short supply and the MCU I/O expansion
PCF8574,I2C interface 8-bit parallel interface

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Last update on 2025-06-09 / Affiliate links / Images from Amazon Product Advertising API

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