A 5V Active Alarm Buzzer Module for Arduino is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric. Just like what you are viewing now, it is 5V DC Electronic Part Active Buzzer Module. Using top quality material, it is durable in use.
Module Interface Specification (3-wire)
+ External 3.3V-5V voltage (can be directly connected with the 5v and 3.3v MCU MCU)
– External GND out external microcontroller IO port
Features:
Passive buzzer features are:
1. Passive internal shocks without source- so if you can not make it with a DC signal tweet. Must be a square wave 2K ~ 5K to drive it
2. Sound frequency control- you can make a “more than a meter hair Suola” effect.
3. In some special cases- you can reuse a control and LED mouth
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