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The Buzzer module plays a 4kHz tone. The volume of the buzzer circuit can be adjusted by changing the the amount of power running through it. The plus and minus signs indicate the direction in which the buzzer circuit module operates.
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2024
$6.99