This buzzer is an active buzzer, which basically means that it will buzz at a predefined frequency (2300 ±300 Hz) on its own even when you just apply steady DC power. If you are looking for a buzzer can produce varied tones from an oscillating input signal, then take a look at our passive buzzer.
Some people prefer to get active buzzers since they can use them with steady DC power but also be able to produce some variety of tones by applying an oscillating signal. Some consider them to be more versatile than their cousin, the passive buzzer, which is the type that requires an oscillating signal to create any tone.
One advantage to an active buzzer is that you can still produce a sound from the buzzer connected to a microcontroller, such as an Arduino, by just driving a standard high output on the connected pin. The benefits of this are that you don’t need to use processing power, hardware timers, or additional code to produce sound.
Product Contents:
- 1 — Active buzzer (5V)
Specifications:
- Longer pin is the positive pin
Rated Voltage5 VOperating Voltage4~8 VMax Rated Current≤32 mAMin. Sound Output at 10cm85 dBResonant Frequency2300 ±300 HzOperating Temperature-20°C to 45°CDimensions (Excluding Pins)Height9.16 mm (0.36″)Diameter11.78 mm (0.46″)Weight1.6 g (0.057 oz)
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