WP8028ADAM - IO module with RS485 interface

8-channel solenoid driver controlled via I2C. Compatible with 3V/5V logic, features STEMMA QT / Qwiic connectors. Adafruit 6318

8-channel I2C expander module based on the TCA9548A system. The module has Qwiic connectors and allows communication with many I2C devices that have the same address. Sparkfun BOB-16784

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

32-channel IO expander with 7 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Version with connector on top. Numato Lab GP320002

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

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

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

8-channel IO expander with 6 analog inputs. It communicates via the USB interface. Version without Pull-Up resistors. Numato Lab GP80001

Module with 8 digital inputs and 4 relays with a maximum switching current of 2 A. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP8024ADAM

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

32-channel IO expander with 7 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Version with connector at the bottom. Numato Lab GP320002-B

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

Module with 8 analog inputs for current measurement in the range of 0 to 20 mA or 4 to 20 mA. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP3082ADAM

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

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

64-channel IO expander with 32 analog inputs. It communicates via the USB interface. Numato Lab GP640001