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I o expansion board

(485 products available)

I2C Interface 16-Channel I O Expansion Module IIC Input and Output Expansion Board MCP23017 MCP23017-E/SS

$3.00-3.24
Min. Order: 1 piece

MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins support for Raspberry Pi / micro:bit / Arduino / STM32

Ready to Ship
$20.00-24.50
Shipping per piece: $3.20
Min. Order: 5 pieces

DIYmall Sensor:bit Breakout Board 3V for BBC micro:bit I/O Ports Extension Board for Kids Education Learning Teaching

Ready to Ship
$4.95-5.65
Shipping per piece: $1.29
Min. Order: 10 pieces

PCF8574 PCF8574T I/O For I2C IIC Port Interface Support Cascading Extended Module For Arduino Expansion Board High

$0.90-0.93
Min. Order: 1 piece

Nano V3.0 Prototype Shield I/O R3 Expansion board

$0.40-0.60
Min. Order: 2 pieces

IIC I2C interface LCD1602 Transfer board Function library LCD2004 Conversion board PCF8574 Expansion board

$0.75-0.99
Min. Order: 5 pieces

PCF8574T module microcontroller development board I/O multi-channel IIC expansion board I2C interface electronic expansion board

Ready to Ship
$0.63
Shipping per piece: $4.14
Min. Order: 1 piece

PCF8575 Module I/O Port Expansion Board I2C Communication Control 16-bit IO Expander

$0.90-1.20
Min. Order: 5 pieces