5PCS DC 3.3-5V Active Low Level Trigger Buzzer Alarm Sound Module 3 Pin Control Compatible wit
Features
- The active buzzer has an internal oscillation source, so it will beep as soon as it is powered on.
- The program control is convenient. The single-chip microcomputer can make a sound with a high and low level, but the passive buzzer can't.
- Operating voltage: 3.3V~5V
- The module is driven by a 9012 transistor.
- Fixed bolt holes for easy installation. Uses 3 pin control port.
Item Description
Features of active buzzer:
1. The active buzzer has an internal oscillation source, so it will beep as soon as it is powered on.
2. The program control is convenient. The single-chip microcomputer can make a sound with a high and low level, but the passive buzzer can't.
Specification:
Type: Active
The module is driven by a 9012 transistor.
Working voltage: 3.3V-5V.
Equipped with fixing bolt holes for easy installation.
3 Pin control.
Module size: 39 × 13 × 12 mm
Weight: 3.5 g
Module interface description (3-wire):
VCC External Connect 3.3V-5V Voltage (can be directly connected with 5v single-chip microcomputer and 3.3v single-chip microcomputer)
GND External Connect GND
I/O External Connect MCU IO port
Package Content:
5 x Active Buzzer Module
We're a UK-based seller committed to great customer service. Please read descriptions carefully before purchasing. If you have any questions, contact us via eBay messages before ordering. Slight colour variations may occur due to lighting and screen differences. Thank you for your business!
We accept all major payment methods through eBay's secure checkout.
Free standard shipping on all orders. Items are dispatched within 3-5 business days. UK delivery only. International buyers may order through eBay's Global Shipping Programme where available. You'll receive a dispatch notification via eBay messages.
30-day returns accepted. Items must be returned in original packaging with all accessories included. Please contact us via eBay messages to arrange a return. We aim to process all returns within 7 business days. If you have any issues, get in touch and we'll find a fair solution.
All items are accurately described to the best of our knowledge. Images are for illustration purposes and actual product may vary slightly. By purchasing, you agree to our returns policy as stated above. For any concerns, please contact us via eBay messages — we're always happy to help.