DIGIO32-I2C

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Contents

1 Features
2 Connectors
3 Schematic
4 Testing
5 Assembly Sheet

Features

32-bit Digital I/O
Two MCP23017 16-bit I2C I/O Expanders
Strong library support for all major microprocessors (Arduino, Raspberry Pi, BeagleBone)
GitHub repo for the DigIO32-I2C Card Arduino library
EEPROM for board ID and application specific information
Write Enable jumper protects EEPROM against accidental damage
I/O Connector is inexpensive/standard DB-37
ODAS form factor (width is 95 mm)
6-32 Mounting holes Host connectors
Daisy-chain I2C connector
Address select jumper (2 addresses - can support up to 4 cards)
Power connector (not required for minimal loads
Supports 3.3V or 5V signal levels
Fuse protected power output on DB-37
I2C Termination jumpers for end of I2C chain

Connectors

Schematic

[Schematic]

Testing

Assembly Sheet

[[DIGIO32-I2C Assembly Sheet ==

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