MAX7301AAX+T - Analog Devices - I/O Expander, 26 MHz, SPI
7I50 SPI I/O expander
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Port Expander Library
Expand 8 Click | Mikroe
A simple SPI port expander | Mbed
PCA9502BS | NXP Semiconductors
Port Expanders Extend MCU Functionality | DigiKey
Mcp23s17 Bidirectional 16-bit I/o Expander Spi Serial Interface Shield Module I2c Interface 10 Mhz Max High Speed Board - Integrated Circuits - AliExpress
Quad port expander simplifies PCB layout for high-speed interfaces
Port Expander ece4760
IO-Port Expanders Offer Flexibility in MCU Designs | DigiKey
MCP23S17 I/O expander as SPI CS pin selector issue - LEDs and Multiplexing - Arduino Forum
PIM517 IO Expander Breakout Board - Pimoroni | Mouser
Port Expander Library
MCP23008 - i2c 8 input/output port expander : ID 593 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Microchip MCP23S17 16-bit SPI Port Expander IC — PMD Way
8-bit I/O Expander with I2C-Bus/SPI Interface - EEWeb
![Microchip MCP23S17 SPI Port Expander 5 volts [SPL-002006] - $1.89 : SpikenzieLabs, Great electronics kits](https://www.spikenzielabs.com/Catalog/images/medium/LabsImages/SPL002006A_MED.jpg "Microchip MCP23S17 SPI Port Expander 5 volts [SPL-002006] - $1.89 : SpikenzieLabs, Great electronics kits")
Microchip MCP23S17 SPI Port Expander 5 volts [SPL-002006] - $1.89 : SpikenzieLabs, Great electronics kits
Mcp23017 Serial Interface Module Iic I2c Spi Mcp23s17 Bidirectional 16-bit I/o Expander Pins 10mhz Serial Interface Module - Replacement Parts - AliExpress
MCP23017 Serial Interface Module IIC I2C SPI MCP23S17 Bidirectional 16 Bit I/O Expander Pins 10Mhz Serial Interface Module|module i2c|c c - AliExpress
