Interface ESP32 with the PCF8575 I/O Port Expander

Опубликовано: 04 Июнь 2023
на канале: DonskyTech

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This post will show you how you can increase the number of GPIO port of your ESP32 using the I2C PCF8575 port expander module with the Arduino framework.

WriteUp:
https://www.donskytech.com/esp32-pcf8...

Code:
https://github.com/donskytech/platfor...

Contents of the Video:
0:00 Intro
1:00 DonskyTech Plug
1:15 What is an I/O Port Expander and Why do we need one?
2:30 What is PCF8575?
4:34 What is I2C in PCF8575?
5:18 LED, Button, and PCF8575 - Wiring and Schematic
6:24 16 Channel Relay and PCF8575 - Wiring and Schematic
7:28 PCF8575 Arduino Library
8:14 Button switch handling in PCF8575 - ESP32
9:11 Demo - Button switch handling in PCF8575 - ESP32
9:49 LED Blink in PCF8575 - ESP32
10:07 Demo - LED Blink in PCF8575 - ESP32
10:28 PC8575 - 16 Channel Relay - ESP32
12:08 Demo PC8575 - 16 Channel Relay - ESP32
16:40 Outro

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#esp32
#pcf8575
#arduino
#port-expander
#relay
#iot

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