Views:3 Author:Site Editor Publish Time: 2018-08-08 Origin:Site
Passive Piezo Buzzers run on AC only, no DC required. They're also often not called 'Buzzers', but rather 'Transducers', 'Elements' or similar.
Active Piezo Buzzers run on DC, and usually the frequency they produce is specified.
Changzhou Keliking Electronics Co., Ltd.
Add：1-1301 Hang Seng Science Park, Tianning District, Changzhou, Jiangsu, China