Unanswered Questions
403 questions with no upvoted or accepted answers
5
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Internet in ESP32 is not working with IPv6
I am using ESP-WROOM-32D in STA mode with Arduino IDE(2.0.5) ESP32 board(2.0.9).
I am trying to do http post request with ESP32. Router that provides internet supports only IPv6.
Here I am getting ...
- 3,126
5
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0
answers
2k
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How to set ESP32 RTC clock source
According to the manufacturer's link below, the default RTC timekeeping in the ESP32 is supposedly based on Internal 150 kHz RC oscillator.
Apparently, there is another option called Internal 8.5 MHz ...
- 610
4
votes
0
answers
9k
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How do I interpret the esp8266 "boot mode" message?
Everytime the chips resets, we get the reason and the next boot mode.
ets Jan 8 2013,rst cause:XXX, boot mode:(YYY,ZZZ)
For XXX we can check the meaning here.
For YYY and ZZZ I am not sure but I ...
- 225
3
votes
0
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74
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Why RTU bridge timeout even though answer is received?
I'm testing the following code as a bridge between https://sourceforge.net/projects/qmodmaster/ and https://pypi.org/project/pyModSlave/.
As hardware, I'm using a NodeMCU 1.0 and a USB/TTL converter.
...
- 31
3
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0
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782
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How can I connect my ESP32-WROOM-32 to Arduino IDE?
I'm using this 'ESP32-WROOM-32' but I can't find the correct board in the IDE. I see the esp32-wroom-DA (edit, i took it to the store where i bought it and it worked fine with theirs. they were on ...
3
votes
0
answers
774
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Programming ESP32-S3 WROOM with a flexy pin board
I am using ESP32-S3-WROOM-1-N8 module https://www.digikey.de/de/products/detail/espressif-systems/ESP32-S3-WROOM-1-N8/15200089 .
I have compared pinout of all Wroom modules ESP32 ESP32-S3 as well as ...
- 159
3
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2k
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How to correctly synchronize time with NTP server?
I want to synchronize time with NTP server once in some time. I am using DOIT ESP32 DEVKIT V1, I tried with getLocalTime() function but it returned true even without wifi, but as I know without wifi ...
- 39
3
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1k
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ESP32-C3 SPI Class documentation/features?
ESP32-C3 has a nice feature called GPIO Matrix which allows to map most of it's peripherals to any GPIO pin. And it has feature called IO_MUX which allows direct & faster operations for some of ...
- 131
3
votes
0
answers
801
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ESP32 Bluetooth Master does not connect
I want to connect an ESP32 to a SMA Sunny Boy SB5000-TL Solar convertor over Bluetooth, but I cannot establish a connection and I'm kind of stuck.
I use the internal bluetooth module of the ESP32.
...
3
votes
0
answers
563
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ESP32 HTTP Server request interrupts Telnet session
I have an ESP32 application that uses a web server as a user interface. For auditing and debugging during development I use Serial; however, that is impractical in the installed system. So, I decided ...
3
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0
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2k
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how to get live view of esp32cam at remote sever using ssh tunneling?
I have found many projects involving esp32cam, but in all projects video is being seen on local server only.For its of no use.As for a home security project user can view the video at remote location ...
- 31
3
votes
0
answers
703
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OTA updating the ESP32 from a separate server
I have an ESP32 project which I'd like to be able to update OTA. The trouble is that it is in deep sleep for approximately 15 minutes before waking up, connecting to WiFi sending an MQTT packet then ...
- 141
2
votes
1
answer
179
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Common Ground Between Arduino and ESP32 - Can I Re-use the ESP32 GND Pin for a Potential Divider
I am trying to connect an ESP32 to an Arduino Mega via Serial Communication using the UART 2 ports on both microcontroller boards.
There needs to be a common ground between the ESP32 and Arduino. ...
CommunityBot
- 1
2
votes
1
answer
2k
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timers interrupt is not working in esp32s2 board
C:\Users\Admin\AppData\Local\Temp\.arduinoIDE-unsaved2024610-7740-sfbutd.e9d77\sketch_jul10a\sketch_jul10a.ino: In function 'void setup()':
C:\Users\Admin\AppData\Local\Temp\.arduinoIDE-unsaved2024610-...
CommunityBot
- 1
2
votes
0
answers
80
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My code got my Nano ESP32 into a <500ms reboot loop
I have done a lot of reading and learning after previous help here and it has been great.
I have uploaded and tried many iterations of my code which all worked (Assuming my code was actually good) and ...
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