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Practical Maker Port Expander Shield


Photo: Practical Maker

Shield URL: Port Expander Shield
Tags: output
Maker: Practical Maker

The Port Expander Shield allows you to add more digital outputs via an I2C interface.

  • 16 digital outputs.
  • Address pins are pinned out.
  • Up to 3 shields (6 total) may be used for a total of 48 digital outputs.

Open Source: Yes, OSHW-compliant
License: CC BY-SA 3.0
Source: www.practicalmaker.com/tutorials/port...
AREF
GND
D13 / SCK
D12 / MISO
RESET D11 / MOSI ~
3.3V D10 / SS ~
5V D9 ~
GND D8
GND
VIN D7
D6 ~
A0D5 ~
A1D4
A2D3 ~
A3D2
A4D1 / TX
A5D0 / RX
Note:
Uses I2C.

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