Unanswered Questions
4,228 questions with no upvoted or accepted answers
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votes
1
answer
210
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Connect to 8Base API with TLS on Arduino Uno Wifi Rev2
I'm trying hit some endpoints on the 8Base API with the Arduino Uno Wifi Rev2. I was able to get this API call to work with Postman, but I've had no luck once I convert it to my Arduino code. In ...
CommunityBot
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-2
votes
2
answers
82
views
arduino didn't working properly
arduino didn't working properly. When i using a alarm program on pin 6 and a blinking led on pin 2 alarm sound beeps once and then goes down but when using only alarm program it works perfectly. I see ...
-2
votes
1
answer
214
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12 V 6 A power supply for Arduino
I have 3 motors which work at 12 V 3 A, I have attached a 12 V 6 A power supply and seems to be working fine. However I was wondering if this can also power the Arduino as well.
- 3,172
-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 ...
- 2,340
-2
votes
2
answers
151
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50 Hz powerline noise using Arduino and mikroe ECG 2 (ADS1194)
I am trying to take ECG measurements using the Mikroe ECG 2 (ADS1194), connected to an Arduino Uno via an Arduino Uno Click shield.
I am able to measure the ECG, and can read the heartbeats somehow in ...
- 1,605
-3
votes
1
answer
296
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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....
- 1,583
-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 ...
- 13k
-3
votes
1
answer
1k
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Is there any DS2482 I2C to 1-Wire bridge functional library?
Please let me know if you know of any good library for a DS2482 I2C to 1-Wire bridge.
I tried to use the DS2482_OneWire library , but I got errors when trying to run the library examples (...
- 2,522
-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 ...
- 926
-3
votes
1
answer
117
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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() {
...
- 106k
-3
votes
1
answer
268
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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 ...
- 3,681
-3
votes
1
answer
591
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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 ...
CommunityBot
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-4
votes
1
answer
94
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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 ...
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