Smart Home Automation Forum › Technical Support › KC868-A series and Uair Smart Controller v
Lesson19- how to use PCF8574 IIC extend GPIO for ESP32 multi relay

Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Linear Mode
Lesson19- how to use PCF8574 IIC extend GPIO for ESP32 multi relay
Patrick Offline
Junior Member
**
Posts: 5
Threads: 1
Joined: Oct 2021
Reputation: 0
#2
11-11-2021, 05:34 AM (This post was last modified: 11-11-2021, 05:37 AM by Patrick.)
had to change variables pins_in arduino.h (as suggested in video) for SDA =4 and SCL=5 from original values.

everything works great.

video upload of kc868-a8 relays performing would not work.

couple of pictures to suffice.


Attached Files Image(s)
           
Find
Reply


Messages In This Thread
RE: Lesson19- how to use PCF8574 IIC extend GPIO for ESP32 multi relay - by Patrick - 11-11-2021, 05:34 AM

Forum Jump:


Users browsing this thread: 1 Guest(s)