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I2C-Bus Switch-Bar
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(starting at $18)

The I2C Bus Switch-Bar uses a PCA8574A for direct input of 8bit parallel which can be set individually by the onboard micro DIP switches. Multiple I2C adresses are configurable. The board supports 100kHz standard I2C mode and 400kHz Fast-I2C-Mode

Suitable for Arduino, Raspberry Pi in conjunction with CoPiino or any other I2C microcontroller project.