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uxcell® 12mm Dia 5 Pcs DC 5V 2 Terminals Electronic Continuous Sound Buzzer
uxcell® 12mm Dia 5 Pcs DC 5V 2 Terminals Electronic Continuous Sound Buzzer
Manufacturer : uxcell
Amazon Price : $1.66
buy from amazon.com
Avg. Customer Rating:4.5 of 5.0
Availability: Usually ships in 1-2 business days Ships from and sold by Summer Online-HK
Product Description
Plastic housing, DC 5V working voltage, 2  pole terminals, convenient for connecting.
They have good characters like small cubage, low wastage and high voice pressure.
 
Product Details
  • Amazon Sales Rank: #2166 in BISS
  • Brand: uxcell
  • Model: 117
  • Product Features
  • Product Name : Electronic Alarm Buzzer;Sound-making Type : Continuous Sound
  • Rated Voltage : DC 5V;Body Size : 12 x 9.5mm / 0.47" x 0.37" (D*T)
  • Pin Pitch : 7mm / 0.27";External Material : Plastic
  • Color : Black;Weight : 9g
  • Package Content : 5 x Electronic Alarm Buzzer
  • Customer Reviews

    Most helpful customer reviews

    15 of 16 people found the following review helpful.
    5Works as expected
    By James
    [[VIDEOID:5a0336ec9d2aab52e6ab15756ad73b2f]]I have been operating this at 3.3 V. It produces a quieter sound at a slightly higher frequency, but it otherwise seems to do fine with that. This video demonstrates how a sample buzzer sounds driven at 3.3 V with intervals of 5 ms, 10 ms, 20 ms, 50 ms, 100 ms, 200 ms, 500 ms, 1 s, and 2 s.

    4 of 4 people found the following review helpful.
    5Works well as a discovery buzzer for quadcopters
    By Nafi
    Bought this to replace a discover buzzer that got bashed in on my quadcopter during a crash. These buzzers matched the dimensions and electrical characteristics of the one that came with my chassis kit (chinese-made ZMR250 chassis with power distribution board). Works just as well as the original, and it's nice to have back-ups for the next crash.

    2 of 2 people found the following review helpful.
    5Works great, here's some more info and example code:
    By Frequent Amazonian
    Works great, I'll include some example code I found below. These are loud but they're not ear piercingly loud. Small enough to fit on a breadboard spanning 4 pins, with 2 pins between the lead and ground.

    Here's some code to get you started:

    // Buzzer example function for the CEM-1203 buzzer (Sparkfun's part #COM-07950).
    // by Rob Faludi
    // [...]

    void setup() {
    pinMode(4, OUTPUT); // set a pin for buzzer output
    }

    void loop() {
    buzz(4, 2500, 500); // buzz the buzzer on pin 4 at 2500Hz for 500 milliseconds
    delay(1000); // wait a bit between buzzes
    }

    void buzz(int targetPin, long frequency, long length) {
    long delayValue = 1000000/frequency/2; // calculate the delay value between transitions
    //// 1 second's worth of microseconds, divided by the frequency, then split in half since
    //// there are two phases to each cycle
    long numCycles = frequency * length/ 1000; // calculate the number of cycles for proper timing
    //// multiply frequency, which is really cycles per second, by the number of seconds to
    //// get the total number of cycles to produce
    for (long i=0; i < numCycles; i++){ // for the calculated length of time...
    digitalWrite(targetPin,HIGH); // write the buzzer pin high to push out the diaphram
    delayMicroseconds(delayValue); // wait for the calculated delay value
    digitalWrite(targetPin,LOW); // write the buzzer pin low to pull back the diaphram
    delayMicroseconds(delayValue); // wait againf or the calculated delay value
    }
    }

    See all 46 customer reviews...
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