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RemoteXY community → Issues and Errors → GUI Configuration Error at 22
Ive been trying to connect my HC-05 Bluetooth module to the remote XY app and through my Elegoo uno R3 (Arduino compatible) but i keep getting a GUI configuration error at 22 message in the app log. It establishes a connection then immediately diconnects, please help!
It can take a long time to get help around here. Eventually they do respond.
All I can say is that I recently got RemoteXY running on a tablet and phone using an Arduino Mega2560 and an HC-05 module. I'm totally new at this.
If you want to compare notes I'll do the best I can to help. It sure would be helpful if I had any clue what "Error at 22" meant, or even where it comes from. I haven't had this issue... yet.
Gary
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I was playing with all my HC-05 modules today and found some have the firmware version" hc05V2.3_le". Maybe this is an issue with yours? It's causing me a lot of trouble.
Something is up with these using this firmware. I can't access and change many parameters like I can on my newer HC-05's I bought from Micro Center. It even enters the AT mode in both ways described for the HC-05 and the HC-06.
For example, I can check the baud rate using the HC-05 method (EN pin to Vcc) and it always comes back as 38400,0,0. I can set it as 115200,0,0 and it says "OK", but when checked, it's still at 38400,0,0. So I assumed it was not changing.
But then, I found that the HC-06 method of entering the AT mode (simply power on, but don't connect) works (see (https://forum.arduino.cc/t/hc05-version … /1365846/8), BUT the AT communications with my terminal is now 115200 and I must use NL and CR on my terminal. It's all so confusing.
EDIT: I found where I bought these a few months ago on Ebay - seems they are ALL fake now, being HC-05 "compatible" running on BLE. RemoteXY will connect to these under BLE, but I can't get any data to flow using all the possible configurations and speeds I can think of.
Anyway, I'm going to continue playing with these (latter, but soon) to see if I can get them to work with RemoteXY. I'll update here what I find out.
Gary
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I checked these modules some more... They come back with an AT name of "HC-05", but they connect to the RemoteXY app only under BLE (HC-10) connections. I do get a connection indication on the blinking LED, but I can not see any data moving on either the transmit or receive pins of the module (oscilloscope). Of course, the app tries 4 times to load the GUI information, but it fails and then disconnects from the module. No errors reported like the "Error at 22" that was reported.
Anyway, I know my investigation into my modules was to see if I could reproduce your failures, but it's become sort of an off-topic answer due to these odd-ball HC-05 modules. If nothing else, my experience with these modules is documented here.
We encountered a HC-05 module with the following quirk. It connects and transmits data in various terminal programs, but it refuses to work with RemoteXY. After testing, we discovered the problem. The module receives data but doesn't transmit it immediately. It accumulates it and transmits it in one go after a second or more. This isn't noticeable when testing in other terminal applications. However, RemoteXY won't work with such modules due to the long timings.
I can't say where these modules were purchased, but one of our clients sent them to us.
RemoteXY community → Issues and Errors → GUI Configuration Error at 22
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