10PCS for Arduino Passive Buzzer 12MMx8.5MM 12085 42R Resistance 3V 5V 9V 12V in Common Use Mini Piezo Buzzers Kit

Description

Overview

Upgrade your Arduino projects with the 10‑piece Passive Buzzer Kit. Each mini piezo buzzer measures 12 mm × 8.5 mm, features a 42 Ω resistance, and operates flawlessly at 3 V, 5 V, 9 V, or 12 V. Ideal for hobbyists, educators, and professionals, this versatile kit delivers clear, crisp tones for alarms, notifications, and sound effects.

Key Highlights

• 🔧 10 high‑quality buzzers in one convenient pack – perfect for prototyping and batch projects.
• 📏 Compact size (12 mm × 8.5 mm) fits easily on breadboards and PCB layouts.
• ⚡ Wide voltage range (3 V‑12 V) ensures compatibility with Arduino Uno, Mega, Nano, ESP32, Raspberry Pi and more.
• 🔊 Passive design lets you create custom melodies and tones via simple PWM signals.
• 🛡️ Built‑in 42 Ω resistance protects your microcontroller from over‑current.
• 💰 Cost‑effective kit – saves you time and money compared to buying single units.

Compatibility & Applications

These buzzers are engineered for seamless integration with:

• Arduino boards (Uno, Mega, Nano, Leonardo)
• ESP8266 / ESP32 modules
• Raspberry Pi GPIO pins
• Micro:bit, STM32, and other 5 V‑compatible development platforms

Perfect for:

• Alarm and warning systems
• Interactive toys and games
• Robotics feedback signals
• Educational electronics kits
• DIY musical instruments

Easy Integration

Simply connect the two leads to any digital output pin and ground. Use Arduino’s tone() function or PWM to generate the desired frequency. No additional driver circuitry is required, making setup fast and hassle‑free.

What’s Inside the Box

• 10 × Passive Piezo Buzzers (12 mm × 8.5 mm, 42 Ω)
• Quick‑start guide with wiring diagrams and sample code
• Link to online tutorials for creating custom sound patterns

Why Choose This Kit?

When you need reliable sound output without the bulk of active buzzers, our 10‑piece passive buzzer kit delivers precision, durability, and flexibility—all at a price that keeps your budget happy. Boost the auditory experience of every project and let your creations speak for themselves.