Questions tagged [delay]
The delay tag has no usage guidance.
11
questions
1
vote
1
answer
55
views
Please help me with my project of water pump relay switching too fast
I have some problems with my project.
I'm using a water level sensor with two outputs, a 5V fan and a water pump. Here's the wiring .
What I want to do with this project is:
When the water reaches 2 ...
2
votes
1
answer
63
views
Functions delaying gesture sensor recognition
I am working on a simple little robot to cure my boredom and all it has is a 64 x 32 OLED for the eyes, and a PAJ7620 Gesture recognition sensor with a Seeeduino Xiao as the main board.
Basically, ...
0
votes
1
answer
119
views
Using Millis instead of delay to reboot relay
I want to reboot relay (turn off , waiting 4 seconds and turn ON)
it works perfectly if I use delay(4000), but code is blocked while delay (4 seconds) and I cant start relay 2.
How can I use Millis ...
0
votes
1
answer
219
views
Tone() function pauses between notes
I tried to experiment with the tone() function that comes with the arduino library.
I played around with the standard code example located here:
https://www.arduino.cc/en/Tutorial/BuiltInExamples/...
0
votes
3
answers
388
views
Using 1 ms delay() in a for loop to check inputs.. Bad?
So first off, I know millis() exists. Just asking out of curiosity. Say you have a button you wanna check for during a delay.. Maybe a 10 second delay. So you make a for loop that checks for input and ...
0
votes
1
answer
254
views
Question about using millis for alarm conditions - Arduino
I am new to programming in general and to Arduino as well.
I am working on a small project to improve my ability to write complete and kind of useful programming sketches.
I am facing a problem. I am ...
2
votes
0
answers
44
views
How to input delay and increase volume measurements with hall sensor detection
I'm writing code so that, every time a hall monitor senses, my code additively measures 5 liters of volume as it prints each detection. Then, this data is sent via Bluetooth to a phone. (This is for a ...
0
votes
1
answer
2k
views
Random "Compilation error: Error: 13 INTERNAL: exit status 1". No clue how to resolve or even what causes this error
I am a beginner with Arduino. I have a program that is intentionally simple.
The code refuses to compile, spitting out the error Compilation error: Error: 13 INTERNAL: exit status 1. I have gotten ...
2
votes
1
answer
444
views
How to Independently run positional and continuous servos using millis()?
I am setting up 3 servos (2 position servos and 1 '360' continuous rotational servo) with Arduino. but I failed to run these independently. It runs one after another. I wish to run it in loop ...
1
vote
2
answers
336
views
Is there a need to put a delay in the main loop
Im a complete beginner. Generally speaking, is there any need at all to have a delay in the main loop()? Im not used to writing infinite loops 😀
Is it correct to say that the delay() command is ...
5
votes
1
answer
2k
views
What does a delay(0) actually do?
I've seen some code where the developers add delay(0), it doesnt make sense, what does it do? Delay with zero milliseconds, why?
bool DFRobotDFPlayerMini::waitAvailable(unsigned long duration){
...