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

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 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

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

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-channel PCF8575 IO expander controlled by the I2C interface. Equipped with a STEMMA QT connector. Adafruit 5611

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

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

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

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

Module with a 16-channel GPIO expander with the ability to control LEDs. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4886

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

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

8-channel analog acquisition module with default current measurement mode (0–20 mA), designed for industrial applications requiring stable and precise data acquisition. Compatible with current sensors, it supports RS485 communication and the Modbus RTU standard, allowing easy integration with SCADA systems and PLC controllers. Galvanic isolation and noise immunity make it suitable for environments with high EMC requirements. Ideal for industrial process monitoring, environmental parameter measurement, and building automation.

8-channel IO expander with 6 analog inputs. Communicates via the Bluetooth wireless interface. Numato Lab BTIO001X

Module with 4 digital inputs, 4 outputs and 6 analog inputs. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP9039ADAM

8-channel IO expander with 6 analog inputs. It communicates via the USB interface. Version with Pull-Up resistors. Numato Lab GP80001P