Thanks! That answered several questions I had 😊 Something else I came upon recently that's not OTA but sort of related; I saw where someone had created a web page with an "install" button to do the initial deployment of the complied binary to a computer-connected ESP32. I thought this was such a great way to make it low friction for non-tech folks to install projects onto a device and I was wondering if you had a video that walked someone through setting up a deployment option like that.
All my projects had ardunio Ota, when you used once no usb cable again, but I wounder how many times I can upload codes, is there a limit to overwrite code?
does it keep that mapping after all power is lost? then at least some part is being flashed, probably not the whole esp32, just a specific partition. Which is what is actually happening here too, the flash is divided into partitions, 2 biggest are identical OTA0 OTA1. the new program is store, entirely on the other partition, before the flash happens..cause breaking connection during a flash is b...a...d.....bad! but your keyboard probably has another set of partitions for the mappings without having to disturb the main program memory .
Hey man. That was was amazing. I watched the 90 minute basic start up video first and came to this WiFi video as the Arduino copy board I bought is a Arduino WiFi board. So I thought this would be handy as my computer couldn't find any of my ports. Think its just the driver needs updating. Whilst that's updating I'm watching some more videos on my pad. Thanks for sharing 👍
Thanks for a great instructional video. I'm wanting to try using OTA on the WeMos D1 mini (ESP8266). I understand the principles are the same but other videos I've watch about it (admittedly all of them several years old) refer to installing Python on the PC. Do you know if this is something that's still required for OTA on the ESP8266? Thanks.
Excellt step-by-step video. Got me up and running on my Adafruit ESP32 Feather in no time. On my IDE 2.2.2, I don't need to restart the IDE. Thank you so much.
Great question! Since setup only runs once, the code that manages the actual OTA process wouldn't be able to run in the loop. At least that is my understanding.
I get the same problem of having to restart the Arduino IDE or even restart the PC. The ease of not having to retrieve the MCU a plug it in versus restarting the IDE/PC is incidental. It’s a minor bug and one day, hopefully, an Arduino Guru will fix it.
I use ArduinoOTA all the time with my esp32 projects and it works even better with PlatformIO rather than the Arduino IDE. ArduinoOTA also works in parallel with ESP Now comms, but needs a few tweaks to work correctly.
Hi, Got this working perfectly, thanks. now i need it to work over cellular network (4g). can anyone guide me to such a good guide as this one... cheers
Love your work man. And I really like having your face on the videos now too - you look at least as cool as your voice sounds! 😊😊 This OTA capability is fascinating. I've not used ESP32 yet, but you have piqued my interest so I'll be looking for any reason to replace my go-to Nano platform.
so simple tutorial very useful but one doubt whats that password stuff while uploading the sketch which password should i need to enter in to that? please help me im struc there.
Hi i am using ESP wroom 32 to test OTA technology. So i have uploaded the code, since i don't have any other battery source, i am powering up esp board with another laptop source but in my laptop it is not showing network port. What could be the problem??
Just to verify, both esp32 and the computer are connected to the same WiFI network? Can you verify that your ESP32 has connected (ie. are you printing out to your serial monitor that it has connected to the local WiFi?)
This issue is solved. It was problem with the network, i tried connecting with another network. Now if i have to upload the code from distant place, what can be done(i.e. if i am not in the same network range) ?
Great Tutorial. One Question. I have three ESP32 Cams in different locations. I noticed that the OTA program sets the ip address of the network port. I have tried changing that address, but it would not change the IP address. How can i set the OTA initial code so that it will update to the right camera, and not accidentally erase the code of another camera? Thanks, Tony
It's not the OTA that sets the IP address it's your router. The best way around this is to set a fixed IP address for each esp cam in the SetUp section of your Arduino code, then you can upload to each cam separately as required.
