WP3084ADAM - analog input module with RS485 interface

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

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

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

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

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

8-channel module with voltage analog inputs ranging from 0 to 10 V. After reconfiguration, it enables measurement of voltage in the range from 2 to 10 V or current in the range from 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 a housing that can be mounted on an industrial rail. Waveshare Modbus RTU Analog Input 8CH (B)

8-channel I2C expander module based on the PCA9548 chip. Allows communication with multiple I2C devices that have the same address. Equipped with STEMMA QT connectors. Adafruit 5626

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

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.

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

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

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

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.

Adapter dedicated to the Nintendo Wii Nunchuck. It allows you to connect the controller to the development board via the I2C interface. Adafruit 4836

16-channel IO expander with 7 analog inputs. It communicates via the USB interface. Numato Lab GP160001