Unanswered Questions
888 questions with no upvoted or accepted answers
5
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0
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903
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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
4
votes
0
answers
140
views
Arduino IDE v 2.2.1 log file not limited in size (on Ubuntu 23.04)
I was learning/building with a new Arduino Nano ESP32 yesterday and left the Arduino IDE running overnight on Ubuntu 23.04 and it used all the space on my hard drive to write log files which broke my ...
4
votes
0
answers
2k
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Is there a way to use ESP8266 in promiscuous(monitor) mode and see the the wifi packets?
I didn't find much documentation about ESP promiscuous mode (just from the espressif sdk although I'm using ArduinoIDE https://docs.espressif.com/projects/esp8266-rtos-sdk/en/latest/api-reference/wifi/...
- 73
4
votes
1
answer
306
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MacBook + BLE Microcontroller Incompatibility?
I've programmed an Adafruit Feather nRF52840 board to send MIDI signals to my computer via BLE. I can confirm that the board pairs successfully with an Android phone and a Windows PC, but my laptop (...
CommunityBot
- 1
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
4
votes
2
answers
732
views
Bluetooth communication not working with DC power but works with USB power?
I am running an HM-10 Bluetooth Low Energy (BLE) module to transmit serial data (using SoftwareSerial) from an analog sensor onboard my Arduino Uno to a serial terminal app on my Android phone. When I ...
CommunityBot
- 1
4
votes
0
answers
206
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How to filter out "jumpy" readings sent using Bluetooth
I'm using App Inventor to continuously send orientation values (as strings) to my Arduino, which are read using Serial.parseInt(). Using simple IF statements (if value > threshold), I'm trying to turn ...
- 2,422
4
votes
2
answers
137
views
Turn ESP8266 into an Arduino IDE-like "sketch uploader" (over hardware serial)
I have an ESP8266 module which has downloaded a hex file for an Arduino Mega2560. This hex file (call it mega2560.hex) is sitting in the ESP's SPIFFS file system. What I want to do is basically ...
- 18.2k
3
votes
1
answer
165
views
Error trying to play audio through an ESP8266 using the 'ESP8266Audio' library
I am attempting to use an esp8266 to play an .mp3 audio file through a connected speaker using the 'ESP8266Audio' library.
I have tested that the hardware setup is correct (e.g. I have been able to ...
CommunityBot
- 1
3
votes
0
answers
74
views
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
votes
0
answers
1k
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How to use C++20 in Arduino IDE?
I'm writing a program for esp32 using the Arduino IDE that needs to count the number of '1' bits in a byte.
I found a post elsewhere that says there's a nice function in the standard library to do it: ...
- 1,595
3
votes
0
answers
782
views
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
32
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is it possible for a client esp8266 to control the esp8266 that set as an access point?
Im creating a project where i need to set one of my esp as a hotspot or access point but i would like to put a function where i could control the connected esp8266 client using the esp8266 that set as ...
- 61
3
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0
answers
417
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HC05 and ELM327 NODATA sending PID codes
I am working on a project where I am using an HC05 connected to an Arduino to connect to an ELM327 Bluetooth scanner. I am using the SoftwareSerial Arduino library to send and read information from ...
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.
...
