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GroveBuzzer active buzzer alarm small speaker arduino compatible with Seeed
- Note:
- Whether there is an oscillation source or not. Here, the "source" does not refer to the power supply but the oscillation source. That is to say, an active buzzer has an oscillation source inside, so it will sound as soon as it is powered on. However, the passive type does not have an oscillation source inside, so it cannot be made to sound if a DC signal is used.
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Note:
Whether there is an oscillation source or not. Here, the "source" does not refer to the power supply but the oscillation source. That is to say, an active buzzer has an oscillation source inside, so it will sound as soon as it is powered on. However, the passive type does not have an oscillation source inside, so it cannot be made to sound if a DC signal is used.
Whether there is an oscillation source or not. Here, the "source" does not refer to the power supply but the oscillation source. That is to say, an active buzzer has an oscillation source inside, so it will sound as soon as it is powered on. However, the passive type does not have an oscillation source inside, so it cannot be made to sound if a DC signal is used.
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- Return for refund within: 30 days
- Return for replacement within: 30 days
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