Daily Archives: April 19, 2019

Creating an I2C slave interface for a sensor or peripheral

You’re creating a stand-alone module to bundle a few hardware sensors, or have an independent microcontroller that stays awake and needs to wake the main system depending on configurable environmental triggers. What’s the easiest way to let this unit receive orders and communicate results? An I²C slave! Inter-Integrated Circuit–I²C–is specifically designed to provide an easy…

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