Unanswered Questions
4,283 questions with no upvoted or accepted answers
-2
votes
1
answer
1k
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Weight sensor / load cell not working
I just got all my parts together that I needed for my project and put everything together like said here: https://web.archive.org/web/20140303140445/http://cerulean.dk/words/?page_id=42 but the serial ...
-3
votes
1
answer
250
views
SIM7600 MQTT CONNECTION TO shiftr.io broker
I am trying to use SIM7600 MQTT command to publish and subscribe to shiftr.io broker.
I have not been able to get pass stage of connecting to broker.
I use this
AT+CMQTTCONNECT=0,"tcp://instance....
-3
votes
1
answer
2k
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Any limitation on array size in Arduino Mega 2560?
I am writing an Arduino code with 3 arrays.
Two of those are double and other one is int. Further first two arrays have nearly 420 elements for each.
Now I noticed that with more that 89 elements on ...
-3
votes
1
answer
1k
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OLED display wrong (using SPI )
I can't figure out where I doing wrong
https://www.youtube.com/watch?v=35NqOANmgUE
This is my question in videos
The both of two connect the same pin
(so the right display result is the correct ...
-3
votes
1
answer
89
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Arduino uno not writing to file
I'd like the arduino to write to a file whenever an ajax call is made. The ajax works, but it doesn't write to the file. All other code inside the ajax handler does execute.
void handle_ajax() {
...
-3
votes
1
answer
251
views
Can not find the download Zip button in the GitHub Page
I want to download a zip file for the following code from the GitHub. I am pretty new in the GitHub. Can anyone help me how to download the Zip folder for the following code from the GitHub library? I ...
-3
votes
1
answer
551
views
Arduino IDE : 'tansig' was not declared in this scope
I am working on a simple NN sketch, everything looks fine and also i have added #include math.h .but when i try to compile it gives an error i-e 'tansig' is not defined in this scope
I am trying to ...
-4
votes
1
answer
61
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Arduino : LCD / POT
how can I make the repetitions stop at 10 ? Also how can I get the lcd to reset when its off/low ?
#include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,5,4,3,2);
const int tiltSensor = 8;
int ...