LILYGO® TTGO Lora GPIO
GPIO IO12
For the Lora V2.1-1.8, Shorting IO12 to ground will progress through the screen pages and/or wake up the device. A simple push switch can be added for this purpose.
![](/img/hardware/lora32-v2-1.6-button.webp)
![](/img/hardware/lora32-v2-1.6-button-example.webp)
For the Lora V2.1-1.8, Shorting IO12 to ground will progress through the screen pages and/or wake up the device. A simple push switch can be added for this purpose.