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Attention! The product has been discontinued. Check other products incategory. |
Description
The module allows you to increase the number of digital outputs on Banana Pi with 8 bidirectional I/Os. It communicates via an I2C bus. Due to the possibility of changes of address of the bus with the jumper, the system can be connected in cascade, forming up to 32 additional contacts.
Specification:
- Power supply: from 2.5 V to 6 V
- Working voltage of pins: 3.3 V or 5 V
- Disposition: PCF8574 (documentation)
- One expander gives you additional 8 pins I/O marked from EXT0 to EXT7
- Communications: I2C bus
- Data transfer rate: up to 100 kHz (I2C standard)
- Address: adjustable with the jumpers, the corresponding table is inthe instructions on page 8
- The connectors are suitable for GPIOs on Banana Pi
- Operating temperature: -40 °C to 85 °C
Useful links |
