IO Expander
Welcome to the range of I/O Expander Breakout boards from PMD Way.
An I/O (Input/Output) expander offers you more inputs and/or outputs for your microcontroller or development board. For example, you can add sixteen inputs using one MCP23017. We also have boards based on the SX1509, PCF8574 and more.
If you are looking for bare I/O expander ICs - please click here.
If you need any help choosing an expander - or after a bulk deal, please email support@pmdway.com.
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$24.95Inline MCP23017 I2C 16-bit Port Expander Breakout Board
Easily access the powerful MCP23017 I2C 16-bit Port Expander with this inline breakout board from PMD Way. It contains the useful port expander o...
View full details$24.95 -
$5.9574HC4067 16 Channel Analog Digital Multiplexer Breakout Board
Now available from PMD Way is the 74HC4067 on a sturdy breakout board. The 74HC4067 consists of sixteen digitally-controlled analog switches that u...
View full details$5.95 -
$5.95PCF8574 I2C 8-bit Port Expander Breakout Board
Now available from PMD Way is the PCF8574 I2C 8-bit Port Expander Breakout Board, containing an 8-bit input/output (I/O) expander for the two-line ...
View full details$5.95 -
$9.95TCA9548A I2C Multiplexer 1-to-8 Breakout Board
If you need to control more than one device that uses the same I2C bus, then you need the TCA9548A I2C Multiplexer 1-to-8 Breakout Board from PMD W...
View full details$9.95 -
$10.95MCP23017 I2C 16-bit Port Expander Breakout Board
Easily access the powerful MCP23017 I2C 16-bit Port Expander with this breakout board from PMD Way. It contains the useful port expander on a hardy...
View full details$10.95 -
$11.95ISO1540 Bidirectional I2C Isolator
If you need to keep two devices connected together using an I2C data bus, but they need to be electrically isolated - then this ISO1540 Bidirection...
View full details$11.95 -
$24.95Remote MCP23017 I2C 16-bit Port Expander Breakout Board
Easily access the powerful MCP23017 I2C 16-bit Port Expander with this remote breakout board from PMD Way. It contains the useful port expander on...
View full details$24.95 -
$7.9574HC4051 Breakout Board
If you need to experiement with the 74HC4051, PMD Way has you covered with this neat breakout board. The 74HC4051 is a single-pole, eight throw an...
View full details$7.95 -
$14.95MCP23017 I2C 16-bit Port Expander Breakout Board for LCDs
Easily access the powerful MCP23017 I2C 16-bit Port Expander with this breakout board from PMD Way. It contains the useful port expander on a har...
View full details$14.95 -
$9.95SX1509 16 Output I/O Expander Breakout
Need more I/O pins? Use the SX1509 16 Output I/O Expander Breakout from PMD Way. The SX1509 Breakout is a 16-channel GPIO expander with an ...
View full details$9.95 -
$79.95MCP23017 I2C 16-bit Port Expander Breakout Board - Ten Pack
Easily access the powerful MCP23017 I2C 16-bit Port Expander with this breakout board from PMD Way in packs of ten. It contains the useful po...
View full details$79.95
