30pcs 35mm Copper Plate Piezoelectric Buzzer Disc for Audio Sensor, Microphone Pickup, Low Power

High Sensitivity & Low Power Consumption 26kHz resonant frequency; 1.530V operating voltage; 35000pF capacitance; -20°C to 70°C range; 1.8 µA sleep mode current. Designed for high sensitivity with minimal power draw, ideal for battery-powered audio sensors and vibration detectors.; Durable Copper Disc with Aluminum Shell Copper disc with aluminum shell construction ensures long-lasting performance in various environments. Resistant to mechanical stress and thermal fluctuations, suitable for continuous use in DIY and experimental setups.; Pre-Wired for Easy Integration Each unit comes pre-wired for immediate use. Compatible with Arduino and Raspberry Pi platforms.

Simplifies installation for acoustic instrument pickups, contact microphones, and custom sensor projects.; Wide Operating Range & Reliable Performance Operates reliably from -20°C to 70°C. Features stable output with minimal drift. Suitable for indoor applications such as home automation, sound detection, and educational electronics projects.; Versatile for DIY and Custom Projects Excellent for touch sensors, drum triggers, and acoustic instrument modifications. Works well with homemade speakers, buzzers, and vibration-based input devices. Enhances creative experimentation in electronic builds.