An electroacoustic device that converts electrical signals into audio signals, produces sound through vibration, and is commonly used for prompts, alarms, or sound effect output.

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Active Buzzer Module -- High Level Trigger
Active Buzzer Module -- High Level Trigger 2
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Active Buzzer Module High Level Trigger

$0.991pcs
Buzzer sounds when MCU outputs HIGH. Simple logic, 3.3V-5V compatible. No complex coding needed, just set pin HIGH. Built-in oscillator for fixed tones. Easy install with mounting holes.
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Active Buzzer Module -- Low Level Trigger
Active Buzzer Module -- Low Level Trigger Size
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Active Buzzer Module Low Level Trigger

$0.991pcs
Buzzer activates on LOW signal. S8050-driven, 3.3V-5V ready. Fixed tones for alarms. No PWM needed, plug and play. Mounting holes for easy installation.
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Passive Buzzer Module -- Low Level Trigger
Passive Buzzer Module -- Low Level Trigger Size
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Passive Buzzer Module Low Level Trigger

$0.991pcs
Control tones via square waves. S8550-driven, 3.3V-5V. Ideal for robots/toys. Play melodies by adjusting frequency. Dynamic sounds for games/status alerts. Easy mount with holes.
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Passive Buzzer Module -- The sound frequency can be controlled
Passive Buzzer Module -- The sound frequency can be controlled 2
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Passive Buzzer Module Sound Frequency Can Be Controlled

$1.201pcs
This tunable passive buzzer lets you create music magic！Play full melodies via PWM frequency control. Compact 20×22mm, perfect for custom sounds and electronic instruments.
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