user29283: I'm trying to blink the builtin LED for the LILYGO TTGO T-Energy development board. What pin is this? The pin-out diagrams supplied by LILYGO does not indicated this.

user29283: I found it by brute force experimentation. The blue builtin LED is a digital output on PIN 5.

29283: <p>I'm trying to blink the builtin LED for the LILYGO TTGO T-Energy development board. What pin is this? The pin-out diagrams supplied by LILYGO does not indicated this.</p>
 29283: <p>I found it by brute force experimentation. The blue builtin LED is a digital output on PIN 5.</p>
