{"product_id":"5v-active-passive-buzzer-12x9-5mm-mini-arduino-atmega328p-10-20-pack","title":"5V Active \u0026 Passive Buzzer 12×9.5mm – 10\/20 Pack for Arduino","description":"\u003ch2\u003e5V Mini Buzzer Module – Active \u0026amp; Passive, 12×9.5mm | 10 or 20 Pack\u003c\/h2\u003e\n\u003cp\u003eWhether you're building a security alarm, a project notification system, or experimenting with microcontrollers, these compact 5V buzzers deliver a clear, continuous beep tone right out of the box. Available in both \u003cstrong\u003eActive\u003c\/strong\u003e (self-oscillating, no external signal needed) and \u003cstrong\u003ePassive\u003c\/strong\u003e (tone-controlled via PWM signal) variants, this pack gives you the flexibility to tackle a wide range of electronics projects.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to be compatible with popular microcontroller platforms including the \u003cstrong\u003eATmega328P\u003c\/strong\u003e (Arduino Uno\/Nano), these mini magnetic buzzers are an essential addition to any maker's component kit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e 12×9.5mm mini size — fits easily on breadboards and PCBs without taking up precious space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Buzzer:\u003c\/strong\u003e Produces a continuous beep tone automatically when 5V is applied — no additional coding or PWM signal required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePassive Buzzer:\u003c\/strong\u003e Driven by a PWM signal from your microcontroller, allowing you to program custom tones, melodies, and frequencies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5V Operating Voltage:\u003c\/strong\u003e Directly compatible with 5V microcontroller boards including ATmega328P-based platforms (Arduino Uno, Nano, and more).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnetic Long Continuous Beep:\u003c\/strong\u003e Generates a strong, audible alarm tone suited for notification and alert applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Pack Sizes:\u003c\/strong\u003e Choose a 10-piece or 20-piece pack — ideal for prototyping, classroom projects, or stocking your component drawer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Wiring:\u003c\/strong\u003e Simple 2-pin connection makes integration into any circuit straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Active Buzzer \/ Passive Buzzer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12mm × 9.5mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e ATmega328P, Arduino Uno, Arduino Nano, and other 5V microcontroller boards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 10 pcs or 20 pcs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 or 20 × Mini 5V Buzzers (Active or Passive, as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between an active buzzer and a passive buzzer?\u003c\/h4\u003e\n\u003cp\u003eA: An \u003cstrong\u003eactive buzzer\u003c\/strong\u003e contains an internal oscillator and produces a continuous beep tone as soon as 5V is supplied — no programming or signal generation needed. A \u003cstrong\u003epassive buzzer\u003c\/strong\u003e requires an external PWM signal from a microcontroller (such as the ATmega328P\/Arduino) to produce sound, giving you full control over the frequency and tone.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these buzzers compatible with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These 5V mini buzzers are fully compatible with ATmega328P-based boards such as the Arduino Uno and Arduino Nano. The active buzzer can be driven directly from a digital output pin, while the passive buzzer works with the Arduino's \u003ccode\u003etone()\u003c\/code\u003e function or any PWM output.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use these buzzers on a breadboard?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The 12×9.5mm form factor and standard 2-pin through-hole leads are designed to fit standard breadboards and PCBs, making prototyping fast and easy.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why should I buy a 20-pack instead of a 10-pack?\u003c\/h4\u003e\n\u003cp\u003eA: If you're running a classroom, building multiple projects, or simply want spares on hand, the 20-pack offers better value per unit. These components are frequently used in alarm systems, timers, and notification circuits, so having extras is always handy.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between an active buzzer and a passive buzzer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An active buzzer contains an internal oscillator and produces a continuous beep tone as soon as 5V is supplied — no programming or signal generation needed. 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