The 2085 Passive Buzzer 12MM is a compact and reliable piezoelectric sound component designed for DIY electronic projects, Arduino applications, alarms, and robotics. With a diameter of 12mm and a resistance of 42Ω, this passive buzzer delivers clear and stable tones when driven by a square wave signal from a microcontroller or circuit.
Operating within a wide voltage range of 3V–12V, the 2085 buzzer is perfect for beginners, students, and hobbyists who need a sound indicator in their projects. Unlike active buzzers, this passive buzzer gives you flexibility to generate different sound patterns and frequencies, making it ideal for creative Arduino projects, warning systems, and custom electronic circuits.
Made with durable materials, this mini piezo buzzer is lightweight, energy-efficient, and easy to integrate into breadboards, PCBs, or DIY kits
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