MBed Connect a PCF8574 expander to an LPC1768 by shedboy71 3rd March 2018 This 8-bit input/output (I/O) expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 6-V VCC operation. This is the module I used The PCF8574 device provides general-purpose … Read more
