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STM32 Interfacing PCF8574 Pin Expander LED Sound Level Indicator Over I2C

Useful Electronics
Associate II

‎2022-05-01 1:36 AM

Hi

In this tutorial STM32 MCU is used to interface PCF8574 Pin Expander over I2C to control 8 LED sound level indicator using only 2 pins. Both hardware and software are explained in details. All tutorial materials are shared in the GitHub Repository in the video description.

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