Difference between revisions of "DIGIO32-I2C"
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* 32-bit Digital I/O | * 32-bit Digital I/O | ||
| − | * Two MCP23017 16-bit I2C I/O Expanders | + | * Two [http://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf MCP23017] 16-bit I2C I/O Expanders |
* Strong library support for all major microprocessors (Arduino, Raspberry Pi, BeagleBone) | * Strong library support for all major microprocessors (Arduino, Raspberry Pi, BeagleBone) | ||
| − | |||
* EEPROM for board ID and application specific information | * EEPROM for board ID and application specific information | ||
* Write Enable jumper protects EEPROM against accidental damage | * Write Enable jumper protects EEPROM against accidental damage | ||
| Line 18: | Line 17: | ||
* Fuse protected power output on DB-37 | * Fuse protected power output on DB-37 | ||
* I2C Termination jumpers for end of I2C chain | * I2C Termination jumpers for end of I2C chain | ||
| + | |||
| + | == Drivers == | ||
| + | |||
| + | * GitHub repo for the DigIO32-I2C Card Arduino library | ||
== Connectors == | == Connectors == | ||
Revision as of 16:33, 1 January 2020
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)
- 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
Drivers
- GitHub repo for the DigIO32-I2C Card Arduino library
Connectors
Schematic
[Schematic]
Testing
Assembly Sheet
- [[DIGIO32-I2C Assembly Sheet ==
