Unanswered Questions
673 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
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 ...
- 19
4
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0
answers
140
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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
0
answers
76
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Can I use regular pins (Example: D2, A3, etc...) as serial (RX, TX)?
Python/Arduino Beginner here...
I have a DFplayer I am trying to hook to my Arduino and I want to hook it up through the regular pins instead of the RX and TX pins, but I've not been able to find ...
- 41
4
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0
answers
471
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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
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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
783
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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
78
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nano 33 BLE problems with reading RC signal
I'm using an Arduino Nano 33 BLE and a L293D motor driver to control a three-wheeled RC robot. The sketch I'm using worked fine with my Uno Rev3, but I've moved to the Nano for size/weight reasons, ...
- 1,042
3
votes
0
answers
227
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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 ...
- 31
3
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0
answers
490
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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
105
views
My port is grayed out?
Hello I have a question on why my port is grayed out when I go to upload?
I’ve watched so many YouTube videos on what’s the problem and have been trying to do everything but just nothing seems to work!...
- 1,795
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 ...
- 131
3
votes
0
answers
713
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Getting atsam3x8e (Arduino Due) to work
I decided to make a pcb based on the atsam3x8e (microcontroller used in Arduino Due). For the design I copied most of the layout that I found on this site and looked at the official Arduino Due ...
3
votes
0
answers
5k
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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'...
- 1,868