ESP8266 Community Forum

Hello, I've followed the tutorial http://esp8266.github.io/Arduino/versions/2.0.0/doc/ota_updates/ota_updates.html which is reasonably easy to follow. But i have a question regarding the sketch to use as an update.

in the tutorial it says:

Note: To be able to upload your sketch over and over again using OTA, you need to embed OTA routines inside. Please use DNS_SD_Arduino_OTA.ino as an example.

Which is fine, but i cannot see if all of the example sketch is required? what can be removed aside from the obvious...?



I guess the tl/dr is:

What is the minimum ota routines i need to add to my sketch to make it continue to be ota compatible, and can anyone share examples that they have working with ota included!


Thanks in advance for any and all suggestions

The BasicOTA is pretty small and showing the minimum thing needed.
https://github.com/esp8266/Arduino/blob ... sicOTA.ino

That's more digestible, the mDNS example i guess is older, i've integrated the ota into my sketch and it uploads without problems now!

Thanks for the pointer!

Should you have some kind of flag or switch to get the device into OTA mode to integrate into a sketch? I saw a couple youtube vids that either use either a physical switch or some flag through a web interface. Right now I am interested in using OTA during development so I can flash from the IDE like I do via usb, but at any time without having to touch the ESP module or remember to flag something.

https://youtu.be/GoQXOLB50HA