Can I use GPIO 5 on my Sonoff Basic?

[ewaldharmsen]

I am looking into using more GPIO's on my son off basic then the 3 available (1,3,14).

Can I use GPIO 5 for instance? Because when I create a switch input based on gpis 5 and do

Code: Select all

http://<espeasyip>/control?cmd=GPIO,5,1

I see in the log that the value is changed to 1, but when I look at the device, its value is still 0

[vader]

No. The Sonoffs have only GPIO 1,3 and 14 available for 'normal' use. If you don't need the LED, you can kick it and you can use GPIO 13 (inversed!)

[ewaldharmsen]

Ok thanks for the answer. I am curious why, is the GPIO 5 used for something else?

[grovkillen]

Probably not used for anything. You could solder a pin directly to the esp chip but that's hardcore tinkering.

[ewaldharmsen]

I found this great guide: www.jackenhack.com/sonoff-switch-i2c/amp/?source=images
It shows how to use GPIO 4 and 5 on a Sonoff Basic.
But I need to upgrade my soldering skills for that:)

For now I will use gpio 13