ITEM NAME:1PCS PCF8574T I/O I2C Port Interface Support Cascading Extended Module N9W9 1PCS PCF8574T I/O I2C Port Interface Support Cascading Extended Module N9W9 The CJMCU-8574 is a CMOS circuit module that enables remote I / O expansion for most MCUs via two bi-directional buses. The device contains an 8-bit quasi-.Send an interrupt signal through INT, the remote I / O port does not have to communicate via bus to inform the MCU whether the data from the port input. The CJMCU-8574 is a CMOS circuit module that enables remote I / O expansion for most MCUs via two bi-directional buses.
