Best IO Modules of 2026

The UIROBOT Compact I/O offers powerful data acquisition capabilities with its advanced DSP system, ensuring high performance and fault tolerance. You can easily connect various devices using its CAN Bus interface, making it ideal for precise data input and output. The module also includes robust safety features, such as protection against short circuits and overvoltage, allowing you to work confidently. With 16 digital inputs and outputs, along with a quadrature encoder interface, you have the flexibility to configure your system to meet your specific needs, all in a compact and portable design.

The Waveshare Digital I/O Module is designed for versatility and reliability. It supports a wide voltage range of 7 to 36V, ensuring stable operation in various environments. With the ability to configure addresses between 1 and 255, you can easily connect multiple devices on a single RS485 bus, simplifying your setup. The onboard voltage regulator and magnetical isolation enhance performance by providing stable isolated voltage and protecting against interference. Additionally, the resettable fuse and transient voltage suppressor safeguard your circuit from surges and spikes, giving you peace of mind in your applications.

The Waveshare Relay Module offers versatile control with its configurable device address, allowing you to connect multiple devices on an RS485 bus. You can enjoy the convenience of its flash-on and flash-off function, which lets you activate a relay for a set period before it automatically turns off. This module also features onboard power supply isolation for stable voltage, eliminating the need for an additional power source. Furthermore, with magnetic isolation, you can rely on high reliability and low power consumption, ensuring your system runs smoothly without interference.

The Pibiger JIO IO Module is a versatile tool for anyone working with electronics testing and development. It offers four independent input/output channels, letting you handle multiple signals at once. The module features a high-precision 12-bit ADC, which means you can measure analog signals accurately and even see real-time data up to 10kHz, helping you monitor changes smoothly. With precise PWM control, you get fine adjustments for signal timing, useful for controlling motors or LEDs with great accuracy. The module also supports various input and output settings, giving you flexibility to match different circuit requirements. Overall, it’s a handy device that makes debugging and development easier and more efficient.

The Kanonaki USB-6009 is a multifunctional data acquisition module that offers a range of features for various applications. With 8-channel analog input, 2-channel analog output, 12-channel digital I/O, and a 32-bit counter, this module provides the flexibility needed for simple data recording, portable measurement, and college laboratory experiments. The high mobility achieved through bus power supply makes it convenient to use in different settings. Additionally, the built-in signal connection simplifies the setup process. Compatible with LabVIEW, LabWindows/CVI, and Measurement Studio for Visual Studio.NET, the Kanonaki USB-6009 offers a powerful yet affordable solution for handling more complex measurement applications. If you order this product, you will also benefit from free expedited logistics, ensuring you receive the package within 5 days. With thorough inspection before shipment, you can trust that the module will function normally. Should you encounter any issues, the Kanonaki team is ready to provide prompt assistance.

The EBYTE M31 IO Module is designed to make your industrial control and data acquisition tasks easier. It supports both Modbus RTU and Modbus TCP protocols, allowing you to connect and communicate seamlessly with various devices like PLCs and touch screens. With its RS485 interface, you can efficiently manage input and output signals, giving you precise control over your systems. The module also offers flexible network options, including DHCP and static IP settings, so you can easily integrate it into your network environment. Plus, it supports up to five hosts simultaneously, making it convenient for multiple users to access and control the module at the same time.

The EBYTE M31 Remote IO is designed to make your control and data acquisition tasks easier. It supports both Modbus RTU and Modbus TCP protocols, allowing you to connect with various software, PLCs, or touch screens seamlessly. With RS485 communication, you can control and collect I/O data efficiently, while the network port supports up to five host connections, giving you more flexibility in managing your devices. Additionally, you can customize Modbus addresses to fit your specific setup. This makes the EBYTE M31 Remote IO a versatile and user-friendly choice for expanding your control system.

The LiebeWH 16-Channel RS485 Module lets you control up to 16 outputs remotely through its input channels, making it perfect for managing multiple devices simultaneously. Designed for smart home systems, it works well with automation setups like camera surveillance and automatic curtains, adding convenience to your daily life. The module supports six different control commands, offering flexibility to match various needs such as instant switching or delayed actions. Plus, its rail mount design allows easy installation on standard DIN rails, saving you time and effort during setup. This compact and well-tested module ensures reliable performance with minimal interference.

The ArecaIoT IO Module features four channels for 4-20mA inputs with impressive precision of 0.1% and a 12-bit resolution. This allows you to monitor and control various sensors with high accuracy, enhancing your data reliability. It operates on a wide power supply range of DC9-48V, making it versatile for different setups. Communication is facilitated through RS485 and RS232 ports using the Modbus RTU protocol, ensuring seamless integration with your existing systems. Additionally, its robust design can withstand extreme temperatures from -40℃ to 70℃, making it suitable for challenging environments.

The SIEMENS LOGO! Relay is a logic module designed for 12/24VDC/relay applications. With 8 digital inputs (4 analog inputs) and 4 digital outputs, this module offers flexibility for various automation needs. It comes with a memory capacity of 400 blocks and is modular expandable, allowing for future upgrades. Additionally, it features Ethernet connectivity for easy integration into network systems. The SIEMENS LOGO! Relay simplifies control tasks, enhances monitoring capabilities, and ensures efficient operation for users.