Mini Buzzer With Leads 3V 400Hz Mechanical Beeper 10 Pack For Morse Code Projects DIY Kits Arduino And Microcontroller Beep Module Compact 34x17mm Sounder For Tiny Electronics

Compact 3V 400Hz Mechanical Buzzer with 10-pack for kits
✔️ DC 3V; 75dB; 34x17x15mm (1.34x0.67x0.59 in); 3mm hole (0.12 in)

This tiny mechanical buzzer is a compact audible signal used in microcontroller projects, Arduino kits, and Morse code demos. It’s ideal for hobby electronics, DIY kits, and tiny boards where audible feedback is helpful.

✅ Sound pressure level: 75 dB
✅ Frequency: 400 Hz
✅ Rated voltage: DC 3V
✅ Size: 34 x 17 x 15 mm (L x W x T)
✅ Mounting hole diameter: 3 mm
✅ Drive: mechanical
✅ Material: ABS
✅ Color: Black
✅ Package content: 10 x Electronic Buzzer

💡 How can a handy small buzzer be used in DIY electronics?

It's a handy audible signal for microcontroller projects.

- handy audible signal for microcontroller projects
- works with 3V DC drives for Arduino and similar boards
- great for alarms, beeps, and Morse-code demos
- easy to prototype in series or parallel circuits
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