32 Channel USB GPIO Module - 32-channel IO expander with USB communication

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

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

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

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

The KAmodPCAL6408 is an 8-bit I/O expander with the PCAL6408A chip by NXP, controlled by the I2C interface.

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

Crowtail – I2C Hub 2.0 expands the I2C bus with three additional ports, enabling the simultaneous connection of multiple devices in the Crowtail system. Useful in projects with a larger number of I2C modules.

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

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

32-channel IO expander with 14 analog inputs. The board communicates via the Ethernet interface. Numato Lab GPETH320001

RS485 hub with DIN rail mounting capability. It is equipped with one RS485 input port and 8 RS485 output ports. Designed for communication within industrial networks. Waveshare RS485-HUB-8P

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

Module with 8 inputs for data acquisition from DS18B20 temperature sensors. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP3066ADAM

16-channel IO expander with 10 analog inputs. The board communicates via the Ethernet interface. Numato Lab GPETH160001

KAmod Multiplexer features the CD4051 chip, which is an analog 8-channel multiplexer/demultiplexer. The chip can handle analog signals with an amplitude of up to 20 VPP and provides low on-state resistance. The active channel is selected through a sequence of states on three digital inputs

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