Interfaces represent a contract between two parties on how to interact with each other, i.e. how to interpret the signals sent. Hardware interfaces are a hardware implementation of such a contract.
Understanding interfaces is important to know how to speak to a particular device and make sure it understands commands correctly.
Connecting Components
When connecting digital components such as sensors, displays and alike, interfaces are used. The two most common interfaces for connecting components with microcontrollers are I2C and SPI.
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(content created May 07, 2024)