Not enough Arduino Pins? Try this I2C Port Expander! | Chip Tips #1: PCF8574

In this first episode of Chip Tips, I'm diving into the versatile PCF8574 and exploring how it can be used to expand the number of I/O pins available to your microcontroller project. The video will cover how to wire it up, interfacing with I2C and example demonstration programs for both inputs and outputs.
Whether you're a beginner or an experienced maker, this video covers everything you need to know to get started with the PCF8574. Hopefully this can help improve your projects.

Code:
https://github.com/Terminal-Curiosity...


00:00 - Intro
00:31 - PCF8574 Background
01:44 - I2C Background
03:32 - Programming Outputs
04:34 - Programming Inputs
05:32 - Input Output Combo
06:46 - Interrupts
07:12 - Breakout Modules
07:45 - Conclusion

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