Closed RREE closed 2 years ago
The PCF8574 is an old and simple io-expander from the 90ies without data direction register nor latch. GPIO_Pin cannot be implemented (I think). It is widely used in small LCD displays.
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See #405
The PCF8574 is an old and simple io-expander from the 90ies without data direction register nor latch. GPIO_Pin cannot be implemented (I think). It is widely used in small LCD displays.