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Unanswered Questions

546 questions with no upvoted or accepted answers
5 votes
0 answers
903 views

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 ...
5 votes
1 answer
1k views

How to send HTTP requests to specific port using Ciao?

I currently have a working REST client on my Arduino, but the requests always go to port 80. How do I make it send the request to a specific port? This is my current code: /* File: RestClient.ino This ...
5 votes
0 answers
419 views

DHT22 reading weird values

I just hooked up a DHT22 I had laying around in a parts drawer to test something and it is giving out some crazy wrong values, I am running the adafruit library's unified example and this is the ...
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 views

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/...
4 votes
0 answers
471 views

Problem in using COZIR W-100 with arduino

I was using the COZIR W-100 carbon dioxide sensor with an Arduino Mega 2560 with the example code from this site. But the measured value of carbon dioxide by sensor was 90 ppm in fresh air and that ...
3 votes
0 answers
1k views

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: ...
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
227 views

Using 2 VL53L4CD ToF sensors and getting error after getting first reading

pretty new to arduino stuff and was hoping to get some help with my code. I'm trying to use 2 ToF sensors and get continuous readings from them. I understand that I have to use the xshut feature and ...
3 votes
0 answers
490 views

Integration of MAX30100 and DS18B20 Thermal Probe Integration

This is for my final year project that I have been tasked with designing a patient monitoring system. However, during the last stretch of model prototyping, I am experiencing issues with my MAX30100 ...
3 votes
0 answers
282 views

SHT30 giving wrong humidity

I have an SHT30 sensor which is feeding to my Arduino via an RS485 connection. The readings are coming in as they should be for both temperature and humidity. The problem, however, is that the ...
3 votes
0 answers
563 views

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 votes
0 answers
5k views

String.format("%i",i) equivalent

How do I format an arduino String when I do not want to print it? I know that one can use printf() or other methods to print a formated string and unfortunately that's all I find with google. But that'...
3 votes
0 answers
957 views

Using CLion as Arduino IDE — Cannot find Libraries

I'm having a problem using CLion as Arduino IDE when integrating 3rd-party libraries: Here is the CMakeList.txt cmake_minimum_required(VERSION 2.8.4) set(CMAKE_TOOLCHAIN_FILE ${CMAKE_SOURCE_DIR}/...
3 votes
0 answers
2k views

HTTPS Client with MKR1000

I am making an IoT device with the MKR1000. As a part of the process, I would like to set up an HTTPS connection to https://hit.tl8.co/api/ping (this is a website I have made and control). The problem ...

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