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be quiet! Shadow Wings 2 140mm PWM White case fan |Airflow-optimized fan blades | whisper-quiet operation | reliable cooling |BL091
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  • $9.90 
  • $13.99
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  • Ships from China.
    Sold by Kepler Forge

    Shipped by Kepler Forge

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    30pcs 31mm Piezo Buzzer Disc Copper Plate Piezoelectric Ceramic Disc Acoustic Contact Microphone

    • Product Model: 31mm Copper Plate Buzzer Product Type: Piezoelectric Ceramic Buzzer Dimensions: 31mm Operating Voltage: 1.5-30V Resonant Frequency: 2.9 ± 0.5KHz Capacitance: 26000 ± 30% 6pF Operating Temperature: -20°C to 70°C Material: Copper Plate Premium Material & Construction Crafted from high-quality brass and ceramic, these piezo disc transducers are built for lasting durability and reliable performance. They deliver high sensitivity with low power consumption, ensuring efficient operation in any project. Ready to Use, Easy to Install Each piezo element comes pre-wired for quick and hassle-free setup. Perfect for building acoustic instrument pickups, contact microphones, foot stompers, and a variety of homemade instruments for sound and vibration detection. Versatile & Creative Applications Ideal for beginners and makers alike, these piezo discs work great as touch sensors in DIY electronics. Transform acoustic instruments into electric sound sourcesperfect for installing on box guitars, drum triggers, homemade speakers, buzzers, and more.
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    High Sensitivity & Low Power Consumption 31mm piezoelectric ceramic disc; 1.5 -30V operating voltage; 2.9 kHz resonant frequency; 26000pF capacitance; -20°C to 70°C operating range; ideal for acoustic pickups and contact microphones; Easy Integration & Universal Compatibility Pre-wired design for quick installation; compatible with Arduino, Raspberry Pi, and common development boards; suitable for DIY instruments, touch sensors, and vibration detection projects; Wide Operating Range & Reliable Performance Operates in extreme temperatures from -20°C to 70°C; no calibration required; durable copper plate construction ensures long-term stability in various environments; Low Current Draw & Energy Efficient 1.8 µA sleep mode current; 30V maximum input; low power consumption makes it ideal for portable and battery-powered devices; Versatile Application for Makers & Beginners Perfect for acoustic instrument modifications, drum triggers, homemade speakers, and buzzer systems; easy to use for both hobbyists and electronics enthusiasts

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