4
votes
Arduino ESP8266WebServer hangs after a while but responds pings
When you use String the way you do, you're doing a lot of memory allocations. The ESP8266 doesn't have a lot of memory and is easily subject to a problem called "heap fragmentation" - memory ...
- 1,553
4
votes
Accepted
ERROR: return reinterpret_cast<T>(pgm_read_ptr(p));
With the info from the link Fahad provided in the comments, I can only offer a guess: Your ESP8266 board definitions are outdated and the old version of the ESP8266 board definitions contains a bug.
...
- 499
2
votes
Node MCU Esp12-E does not support server accept function
The 'latest' documentation applies for git master branch.
accept() is ready for the next release of Arduino esp8266. It will be version 3.1.0. Until then you can use server.available(). It works the ...
- 18.2k
1
vote
Accepted
A peristaltic pump with pH sensor and web based output project
Yes. You will need to add a solid state switch or similar to power the motor. The ESP32 has the radio needed to connect to your wifi so that part is already there. The ESP can be configured as a ...
- 1,853
1
vote
How to allow cross-domain requests with ESP8266WebServer.h ? - CORS policy: Access-Control-Allow-Origin
The issue is URL specific.
Indeed, if I change API, namely
const Qresponse = await fetch( "https://zenquotes.io/api/random" );
by for example:
const Qresponse = await fetch( "https://...
- 19
1
vote
Accepted
ESP8266 web server not responding when running a http request function
At the end of getWeather() you call delay(postingInterval);
postingInterval is set to 60*60*1000 ... one hour. That means getWeather() won't return for one hour and nothing else in loop() will be ...
- 1,553
1
vote
How to get version of Arduino board remotely
There's nothing you can do with your currently loaded sketch. The board can only do exactly what you have programmed it to do and nothing more.
There are no "AT" commands. They only exist ...
- 106k
1
vote
Accepted
esp8266 - server.handleClient() fails to call assigned function
Replace "/data/" with "/data" and url += "x_value=" with url += "?x_value=".
The HTTP GET parameters are separated from the path by "?". The on ...
- 18.2k
1
vote
Servo motor and L298N motor driver don't work together with ESP32
I had it so that EnA from L298N was pin #10 and my servo was pin #2 and it wasn't working. But then I switch them up and it works fine.
- 11
1
vote
Servo motor and L298N motor driver don't work together with ESP32
Hi I have the same problem here, and everything is pointing the issue could be related with the channels shared for PWM. In the Robojax lib there is control of channels want to assign for each motor, ...
- 11
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