DIGIO32-I2C

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Contents

1 Features
2 Connectors
3 Schematic
4 Drivers
5 Testing
6 Assembly Sheet

Features

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

Connectors

Schematic

[land-boards.com/DIGIO32-I2C/DigIO32-I2C_X3_Schematic.pdf DIGIO32-I2C Schematic]

Drivers

GitHub repo for the DigIO32-I2C Card Arduino library

Testing

Assembly Sheet

DIGIO32-I2C Assembly Sheet

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