{"product_id":"piezo-buzzer-module-for-arduino-diy-projects-5v-active-buzzer","title":"Piezo Buzzer Module for Arduino \u0026 DIY Projects – 5V Active Buzzer","description":"\u003ch1\u003ePiezo Buzzer – 5V Active Buzzer Module with Built-in Oscillator\u003c\/h1\u003e\n\n\u003cp\u003eThe Piezo Buzzer is an active sound module that produces a sharp, consistent 2.3kHz tone when powered. No external oscillator or complex code is needed—just connect a DC voltage between 3V and 5V. Ideal for alarms, alert systems, and beginner Arduino projects.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3V – 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e2.3 ±0.3kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSound Output\u003c\/td\u003e\n\u003ctd\u003e85dB at 10cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePin Count\u003c\/td\u003e\n\u003ctd\u003e2 (VCC, GND)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eActive (with built-in oscillator)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/reed-switch-door-alarm-kit-for-arduino-uno\"\u003eSimple door alarm using a magnetic switch\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eTemperature threshold alert with a thermistor\u003c\/li\u003e\n  \u003cli\u003eTimer notification buzzer for cooking or study\u003c\/li\u003e\n  \u003cli\u003eObstacle warning indicator for a robot\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks directly with Arduino Uno, Mega, and Nano (5V logic). Can be used with ESP32 or Raspberry Pi if powered via 5V pin; the 3.3V logic will trigger it without issues. Pairs well with relay modules, sensor boards, and basic LED circuits.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect the long pin (anode) to a digital output on your microcontroller and the short pin (cathode) to GND. This active buzzer draws less than 30mA, so no current-limiting resistor is required for standard 5V operation.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eYes. Connect the positive pin to any digital I\/O (set as OUTPUT) and the negative pin to GND. No extra components needed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan this buzzer play melodies or different tones?\u003c\/summary\u003e\u003cp\u003eNo, this is an active buzzer that produces a fixed 2.3kHz tone. For melodies, use a passive buzzer and control frequency via PWM.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it need an external transistor or driver circuit?\u003c\/summary\u003e\u003cp\u003eNot if powered at 5V. The buzzer’s current draw is under 30mA, which most microcontroller I\/O pins can handle directly.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445057741165,"sku":"CDN-0879","price":45.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_78e558a2-2c6a-4215-90d2-2af8ee4e05e1.jpg?v=1781513098","url":"https:\/\/compoden.com\/products\/piezo-buzzer-module-for-arduino-diy-projects-5v-active-buzzer","provider":"Compoden","version":"1.0","type":"link"}