WWZMDiB 4Pcs TCA9548A I2C IIC 8-channel expansion switch development board with reset function for Arduino ?TCA9548A I2C IIC 8 Channel Expansion Board?:Specifically designed to resolve the conflict of I2C device addresses, you can expand eight I2C interface devices with the same address on the main control board and use them normally. Working Voltage?: 1.65-5.5V ?Interface?: I2C IIC ?Selectable I2C address?: 0x70~0x77 ?Max Clock Frequency?: 400KHz ?Package Included?: 4Pcs TCA9548A I2C IIC 8 Channel Expansion Board 8Pcs 12Pin 2.54mm Single Row Straight Male Header Connector

?Max Clock Frequency?: 400KHz. ?Selectable I2C address?: 0x70~0x77. ?Interface?: I2C IIC. Working Voltage?: 1.65-5.5V. ?TCA9548A I2C IIC 8 Channel Expansion Board?:Specifically designed to resolve the conflict of I2C device addresses, you can expand eight I2C interface devices with the same address on the main control board and use them normally.