NL-USBG-C-008 - 8-channel IO expander with USB communication (top header)

16-channel IO expander with 14 analog inputs. Communicates via the WiFi wireless interface. Numato Lab GPWIFI160001

A versatile expander supported by the I2C interface, which significantly expands the capabilities of microcontrollers and microcomputers. It is based on the ATSAMD09 microcontroller and comes with default software that can be modified to suit the needs of the project. Adafruit 3657

Module with an IO pin expander based on the TCA9534 system. It allows you to add 8 GPIO pins to an I2C-controlled project. SparkFun DEV-17047

Module with IO expander equipped with 14 inputs/outputs, including 8 connected to the ADC converter and 6 to PWM outputs. It communicates via the I2C interface and is compatible with the Raspberry Pi. Pimoroni PIM517

4-channel PCIe port expander. It can be powered with 12 V via a PCIe connector or an external DC connector. Waveshare PCIe-Packet-Switch-4P

A 4-channel I2C expander module, which is based on the TCA9546A chip. It allows connecting several devices with the same address to a single I2C interface. Adafruit 5663

I2C bus amplifier module based on the LTC4311 system. It enables communication via a popular interface over much longer distances while maintaining high transmission speeds. Adafruit 4756

PCA9555APW,118 is a versatile 16-bit I/O expander with I2C interface and interrupt capability, ideal for applications requiring efficient GPIO extension

KAmod I2C Hub4 enables splitting the I2C bus into four independent outputs with a voltage level translation function, eliminating address conflicts and increasing connection flexibility. The module is intended for projects with multiple I2C devices requiring separation or diverse supply voltages.

Module with a 16-channel GPIO expander with the ability to control LEDs. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4886

Module with 16 digital outputs. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP8027ADAM

Module with 8 inputs for data acquisition from 0-24 mA analog current inputs. It communicates via RS485 interface and supports Modbus RTU protocol. The board is enclosed in an industrial enclosure. GM1008

8-channel analog acquisition module with default current measurement mode (0–20 mA), designed for industrial applications requiring stable and precise data acquisition. Compatible with current sensors, it supports RS485 communication and the Modbus RTU standard, allowing easy integration with SCADA systems and PLC controllers. Galvanic isolation and noise immunity make it suitable for environments with high EMC requirements. Ideal for industrial process monitoring, environmental parameter measurement, and building automation.

16-channel PoE GPI/GPO module enabling connection of a PC to other electronic circuits via a network. It does not need a separate cable for power and data transmission. It can be controlled via a simple web interface or Telnet. Numato Lab NLGP1001-A

Module with three 4-20 mA analog outputs. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP3078ADAM

Micro:Mate is an expansion board for the micro: bit development module. It provides six 3-pin connectors with I/O outputs, a 3.5mm audio jack connector and is powered from a 5V microUSB connector. DFRobot DFR0518