Questions tagged [buzzer]
An electrical device, similar to a bell, that makes a buzzing noise and is used for signaling.
60 questions
0
votes
1
answer
130
views
Buzzer keeps buzzing even though the sensor doesn't detect anything
through the code that I've listed below, the idea was to have a sensor that detects objects in different ranges, if they're quite close, a light strip will turn on yellow with no buzzer. If they're ...
-1
votes
1
answer
115
views
Pls help with this prompt. I've been struggling last 2 days with this and its due tomorrow [closed]
"Use an Arduino, two potentiometers, and an alarm. Make one of the potentiometers act like a volume control, and make the other potentiometer control the tone that the alarm makes."
I added ...
- 1
-1
votes
1
answer
141
views
passive buzzer is drawing 500mA
I am having a ridiculously hard time trying to make a passive buzzer work correctly on my Seeeduino XIAO.
Here is the buzzer module :
Here is how I believe it works, assuming the SOT23 smd is a PNP ...
- 167
-1
votes
1
answer
737
views
Do passive buzzers require a PWM pin? [duplicate]
This guide Shows how to wire a passive buzzer to be used with tone(). I notice they have it wired to D9, which is a PWM pin. But is it required to use a PWM capable digital output pin to play tones ...
- 135
0
votes
1
answer
408
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 ...
- 11
0
votes
1
answer
125
views
need help for exam please (deadline tomorrow) [closed]
what we're required to do on exam
You don't have to completely give me the answers, I just started learning this yesterday so I'm pressured on learning it properly + the exam, thx
- 11
4
votes
1
answer
227
views
Can't stop the 3 pin active buzzer
I was simply trying to program a buzzer with the ultrasonic HC SR04 and 128x64 OLED display. The buzzer is an active buzzer (3 pin) on a small board. The problem is that, once on, it never stops ...
- 141
1
vote
1
answer
1k
views
playTone function of Buzzer
I am making "Simon says" game using Arduino on TinkerCad.
I am facing issue in Buzzer sound function.
I want something like this:
Use the following steps to generate the tone for the red ...
- 23
2
votes
3
answers
210
views
I develop an earthquake detector but when it detects a movement, the alarm doesn't stop from ringing
This is the code that I used. Actually, I use to code: for Arduino sofware and processing IDE software.
Arduino Source Code/Program:
#include<LiquidCrystal.h> // lcd Header
LiquidCrystal lcd(7,6,...
1
vote
0
answers
249
views
DC motor and buzzer blink without delay code
So I am trying to put together a code for 4dc motors, buzzer, ultrasonic and lcd to work together,. they will together make up a small car. when the distance to the ultrasonic is smaller than 10cm, ...
- 21
2
votes
3
answers
893
views
How do I make my piezo buzzer only hum once without repetition?
I have a problem with getting my buzzer to only do the tones I programmed in once. I know I have to add some sort of code but I'm relatively new to this so I don't really know. I want it to start ...
- 33
2
votes
2
answers
3k
views
Buzzer+Push button+arduino
I want to stop the sound of a buzzer after I push the push button. I tried a code, but when the button is not pushed, the buzzer continue to make sound. How can I fixed it?
const int pin_contact= 6;
...
- 61
2
votes
1
answer
137
views
Arduino buzzer code sequence not triggering
I have a problem with my arduino buzzer:
the code should be doing the following:
I have a security system where in order to open the door you have to enter a 4 digit code from the remote. If the code ...
0
votes
1
answer
242
views
How to close humidity sensor at specific humidity
I am using dht humidity and temperature sensor on arduino and i would like to add relay and buzzer on the system. What I would like to do is to close it via buzzer and on 65% humidity run buzzer. The ...
- 3
1
vote
2
answers
2k
views
Can we generate 20kHz tone with normal buzzer in arduino?
Can normal buzzer be used for generating high frequency audio and if this is possible then can normal microphone module be able to detect the same frequency range(15 kHz - 20 kHz).
Here is the ...
- 193