Plug it into a breadboard as shown in the photo, above. This project includes a C++ library named EightMorePins that you can use for interacting with the PCF8574. The library has been tested in the ...
Robert Sedak made a video with example programmed in Arduino IDE: You can download example for Arduino IDE from here. This license is acceptable for Free Cultural ...
A while ago I received a couple of I/O port expander modules that use the I 2 C protocol. Using that Chinese module, you can use only the SDA and SCL pins of your ...