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32-Port IO Expander for Arduino, chipKIT, Launchpad, Teensy, etc., US $360 – Picture 0
32-Port IO Expander for Arduino, chipKIT, Launchpad, Teensy, etc., US $360 – Picture 0

32-port Io Expander For Arduino, Chipkit, Launchpad, Teensy, Etc.

US $360

  • Ross-on-Wye, United Kingdom
  • Nov 14th
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32-PORT SPI IO EXPANDER BOOST YOUR ARDUINO IO LOTS OF IO Low on IO ports on your Arduino or chipKIT board? Then this board is for you! Sporting a massive 32 IO ports using just the 4 pins of your SPI interface. FLEXIBLE IO Each individual pin can be set to an input or an output. Not only that, the inputs can have internal pullups and Change Notification interrupts enabled - just like the real IO pins in your Arduino. EVEN MORE IO 32 IO ports still not enough? Up to 4 of these boards can be stacked together, all sharing the same SPI pins, giving you a massive 128 IO ports. Add one more chip-select pin on your Arduino and you can double that again to 256. And so on. RESOURCES SCHEMATICLINKS MCP23S17 DATASHEETSPECIFICATIONS Input Voltage 2.7V - 5.5V IO Ports: 32 Interface: SPI Interrupts: 4

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