Buzzer Circuit: How to Create and Enhance an Easy Design

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Make this Simple Buzzer Circuit with Transistor and Piezo - Homemade Circuit Projects

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Buzzer Circuit: How to Create and Enhance an Easy Design

1s Lipo low voltage alarm piezo buzzer (<3.6V trigger voltage) Is there a simple way to make it beep in intervals rather than continiuos? For lower trigger voltage (<3.5V) lower R2 by

Make this Simple Buzzer Circuit with Transistor and Piezo - Homemade Circuit Projects