PCA9546 4-Channel I2C Multiplexer - 4-port I2C expander

Module with 16 IO pins and 8 analog inputs. It communicates via the RS485, USB or Ethernet interface and supports the Modbus RTU/TCP protocol. Numato Lab NLGM1001-A

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

A module with a 16-channel input/output port expander controlled by an I2C interface. It was based on the MCP23017 chip and equipped with a Gravity connector. DFRobot DFR0626

32-channel IO expander with 7 analog inputs. It communicates via the USB interface. Numato Lab GP320001

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

Module with 8-channel PCF8574 IO expander controlled by the I2C interface. Equipped with a STEMMA QT connector. Adafruit 5545

8-channel IO expander with 6 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Numato Lab GP80002-B

Compact module that allows easy changing of I2C sensor addresses, allowing coexistence of multiple devices with the same address on one bus. With DIP switches and optional soldering resistors, users can easily configure sensor addresses without having to modify the code or use external components. DFRobot DFR1185

KAmod I2C Hub8 enables splitting the I2C bus into eight independent channels with a voltage translation function, which allows effective integration of multiple devices with repeating addresses. The module is recommended for advanced microprocessor projects with bus separation requirements and diverse voltage levels.

KAmod I2C-Mini Out8 enables easy expansion of microprocessor systems with eight switching outputs for voltages and currents typical of low-voltage load control. Compatibility with the I2C bus and the ability to connect up to 8 modules in a single network make it an ideal solution for automation systems, lighting and power control, and other applications requiring flexible control of multiple circuits.

Module with 16-channel IO expander MCP23017 controlled by the I2C interface. Designed for minicomputers Raspberry Pi. Adafruit 4132

I2C multiplexer module with TCA9548A system. Allows you to connect up to 8 devices. The system works like a gateway - it transmits I2C interface data to one of the 8 main busses. This allows you to connect up to 8 devices with the same address. Adafruit 2717

DAQ device based on Ethernet communication and equipped with 24 digital inputs/outputs and a counter input. It allows you to control devices via the Internet. Digilent 6069-410-052

8-channel module with digital inputs/outputs with an operating voltage range from 5 to 36 V. It communicates via the RS485 interface and supports communication within the Modbus RTU protocol. The board is enclosed in a housing that can be mounted on an industrial rail. Waveshare Modbus RTU IO 8CH

Module with 16 digital inputs. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP8026ADAM

Measurement module with RS485 interface. It has two voltage measurement inputs in the range of 0 to 5 V and 0 to 10 V and two current measurement inputs in the range of 0 to 20 mA. Supports the Modbus RTU protocol