Add more pins to your Arduino/ESP8266 board using PCF8574T module
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YouTubemiliohm
Add more pins to your Arduino/ESP8266 board using PCF8574T module
Imagine you build a project and then you just run out the pins. You need more pins for your project to drive something. In this video, we will learn to add more pins to our Arduino board using this module. I will demonstrate it with Arduino UNO and an EPS8266 board WEMOS. We also test the output by blinking LEDs and a relay then test the input ...
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