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Expanders of the I/O There are 9 products.
16 Output I/O Expander Breakout - SX1509
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
6,55€ gross5,33€ netAdafruit module with I2C TCA9548A multiplexer
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
9,07€ gross7,38€ netGPIO Expander Explore module
The GPIO Expander board allows you to extend the project with an additional 16 I / O signal lines, equipped with an MCP23017 chip with an I2C interface. MOD-67
12,74€ gross10,35€ netMCP23017 16-channel IO expander module with I2C interface
16-channel I/O port expander module controlled by the I2C interface. The module is based on the MCP23017-E/SS system.
3,26€ gross2,65€ netMicro: Mate - expansion module for micro:bit
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
6,28€ gross5,10€ netQwiic Mux Breakout - 8-channel I2C expander module
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
12,35€ gross10,04€ netWaveshare I / O expander with PCF8574 chip
The PCF8574 IO expansion board is an 8-bit I / O expander controlled by the I2C interface. Up to 8 PCF8574 IO expansion cards can be connected to the I2C bus, providing up to 64 I / O ports. Waveshare 3708
2,40€ gross1,95€ net
