Thanks for all that Pete. Good information. Since I first posted I have got a much better understanding of the environment. I can navigate the Blynk app pretty good now (for a newbie) and have found how useful virtual pins are. Not sure why but I got the LED on/off fixed by changing the digital pin from 13 to 2 and it started working.
Thanks Dave. As noted in my previous post I did change to GPIO 2 and it started working. That said, I am using the 36 pin
HiLetgo ESP32 OLED WiFi Kit ESP-32 0.96 Inch Blue OLED Display
so the pin assignments are totally different.
While I have your attention maybe you could answer a quick question…
My next effort will be to control a DC motor with a slider. The slider is very small. I saw a reference to a ‘large’ slider on YT but none appear in the Widget list.
Have you heard of a ‘large slider’?