Increasing ESP Device GPIO For More Sensors

In today's video we are going to take a look at expanding/Increasing the GPIO that is available on a ESP32 by using a Cheap $2 pcf8575 I/O Expander to add a lot more sensors, this will also work for ESP8266 devices.

Code/article https://averageautomation.com/how-to-add-more-gpio-to-esp-devices/

00:00 Intro 00:55 pcf8575 I/O Expander overview 01:34 Important Addressing with I2c 04:27 EspHome code to scan devices 05:49 Wiring up the pcf8575 to esp 32 08:10 Scanning connected addresses 08:58 Code in ESPHome with sample sensor 11:52 Testing sensor code 13:13 adding a Relay Code 14:19 Wire up Relay and test 15:51 How to add more relays/sensors 17:15 Outro

Website https://averageautomation.com/

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