WP8027ADAM - digital output module with RS485 interface

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

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

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

Module with 32 IO pins and 14 analog inputs. It communicates via the RS485, USB or Ethernet interface and supports the Modbus RTU/TCP protocol. The board is closed in an industrial housing. Numato Lab NLGM1005-A

32-channel IO expander with 7 analog inputs. It communicates via the USB interface. Enclosure included. Numato Lab GP320001E

IO port expander for M5Stack kits. Equipped with 8 IO pins and power pins, it communicates via the I2C interface. M5Stack U011-B

Module with 16-channel I/O ports expander controlled by the I2C interface. It was based on the MCP23017 chip. Waveshare MCP23017 IO Expansion Board

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

32-channel IO expander with 14 analog inputs. Communicates via the WiFi wireless interface. Numato Lab GPWIFI320001

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.

4-channel PCIe to SATA 3.0 port expander. It can be powered with 12 V via a PCIe connector or 5/12 V via an external DC connector. Waveshare PCIe-TO-SATA-4P

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

The KAmod I2C-IOexp16 module is an extension equipped with 16 programmable digital lines (inputs or outputs), based on the MCP23017 system and controlled via the I2C bus with the possibility of connecting up to 8 modules thanks to addressing. The module works with a voltage from 2 to 5 V, has an interrupt output and allows for a current flow of up to 20 mA on each line

DFRobot DFR1193 module with the LTC4316 chip enables the simultaneous use of multiple identical I2C sensors without address conflicts. It supports quick configuration via DIP switches or resistors, offering a flexible and reliable solution for IoT, robotics, and automation projects.

DAQ device based on USB communication and equipped with 96 digital inputs/outputs and a 32-bit counter. Digilent 6069-410-032

16-channel GPIO expander with an I2C interface microcontroller can interface with 16 fully configurable digital input/output pins. It can produce PWM signals, so you can dim LEDs. It can be set to blink or even breathe pins at varying rates. With a built-in keypad engine, it can interface with up to 64 buttons set up in an 8x8 matrix. BOB-13601