I’m a newbie and might have got ahead of my skis. I worked through an example blink the onboard LD example and it worked ok. I decided to do something more exciting and didn’t want to use up “free” resources so I deleted the device and template to start over. I thought I did everything correct but I was never asked to enter in the Wifi Credentials and I did my initial test/template in one city and then new one in my home with a different SSID. When I ran my sketch I can see what it didn’t ask me for the credentials as the serial print was telling me if was looking for the other SSID. Which clued me in. Anyway I ramble. I looked in the doc which said to use the Blynk App to change the SSID but the Blynk app doesn’t see the device. (I don’t know if that’s because I deleted it or because I’m on a different WiFi network or what. So I’m assuming there must be some 8266 sketch that I could load and it would basically clean up the stuff stored in non volatile memory. Is that available somewhere? I apologize if it’s in front of my nose but the doc I read said either use the blynk app or have circuitry to reset it. I’m using an 8266 nodeMCU 12E. TIA.
Did you use the Blynk Edgent example, or an example where you hard-code the SSID and password into your sketch?
From your rather disorganised description, I guess it was the Edgent example.
The ‘nuclear’ way to remove stored data, including WiFi credentials, from any ESP device is to re-upload the sketch and in the Tools menu choose Erase Flash : All flash contents.
Edgent is designed to allow the credentials to be cleared by pressing a button for 10 seconds. But, this only worked if you in-commented the appropriate board definition for your board type.
More on that here…
Pete.
Thanks. I’m getting there.