Yes that works, I plugged it in to my Anker 60W PowerPort and it showed the access point with 4M flash, once it's conected to home WiFi I can then plug back in to the PC USB port and it works fine, guess it just needs the extra power to create an access point.

Thanks fo your help

It seems to endlessly scroll but here is a sample. �U177 : Info : WIFI : Set WiFi to AP+STA 4956 : Info : WIFI : Set WiFi to OFF 5173 : Info : INIT : Free RAM:26760 5175 : Info : INIT : Manual Reboot #2 Last Action before Reboot: Intended Reboot: ResetFactory Last systime: 86 - Restart Reason: Exter...

Can you use some terminal program to look at the console via serial after flashing a 4M image to see what is stated in the logs? How do I do that? I'll do it if it's helpful to you, otherwise I'll stick with 1M, my Senseair S8 works with ok it, just need to figure out how to get that data to influx...

Tried the blank image then the 4M no access point again, reflashed 1M all good, tried a NodeMCU I have also, exactly the same, blank 4M image > 4M, nothing > 1M all good.

NodeMCU below.

This part?

Good to know, I will try the blank_4MB.bin file
Thanks

Hi all, I tried to write ESP_Easy_mega_20230304_normal_ESP8266_4M1M and it never created a WiFi access point, tried many times on D1 and NodeMCU, but when I tried ESP_Easy_mega_20230304_normal_ESP8266_1M it worked first time. I found the explanation for each on the github page and wondered if there ...