The KY-012 Active Buzzer module produces a single-tone sound when it receives a high signal.
Compatible with popular microcontrolers like Arduino, Raspberry Pi and ESP32.
This module consists of an active piezoelectric buzzer and 3 male header pins. It generates a sound of aproximately 2.5kHz when the signal is high.
| Operating Voltage |
3.5V ~ 5.5V |
| Maximum Current |
30mA / 5VDC |
| Resonance Frequency |
2500Hz���� 300Hz�� |
| Minimum��Sound Output |
85Db @��10cm |
| Working Temperature |
-20��C ~ 70��C [-4��F ~��158��F]�� |
| Storage Temperature |
-30��C ~ 105��C��[-22��F ~ 221��F] |
| Board Dimensions |
18.5mm x 15mm [0.728in x "true" class="wp-block-spacer">��
CONNECTION DIAGRAM
Connect signal (S) to pin 8��on the Arduino and Ground (-) to GND. The middle pin is not used.
Some boards migh have different pin arrangement, please check your connections before using this module.
| KY-012 |
Arduino |
| S |
Pin 8 |
| middle |
�� |
| ��� |
GND |
|
