DALLAS ” Designed to provide an alternative to monitoring and controlling the inputs and outputs of a system's microcontroller or microprocessor, Texas Instruments is introducing the SN74LV8153 8-bit ...
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 Arduino, or any microcontroller ...