Speaker 8Ω 0.5W (Ø 20mm)

Mini Speaker 8Ω 0.5W – 20mm Diameter for Audio Projects and Alarms

This 8-ohm, 0.5-watt mini speaker is compact and lightweight, ideal for portable electronics, sound-producing circuits, DIY alarms, toys, and Arduino or microcontroller-based projects. Despite its small size (20mm diameter), it delivers clear sound output suitable for low-power applications.

🔧 Key Features

• Impedance: 8Ω (Ohms)

• Rated Power: 0.5W

• Speaker Diameter: 20mm

• Lightweight and compact for tight enclosures

• Easy to connect with solder pads or wire leads

• Ideal for sound output in embedded systems

📊 Technical Specifications

🧪 Applications

• Arduino sound output

• Buzzers or notification tones

• Alarms and alert systems

• Talking toys or greeting cards

• MP3 or radio modules

• Voice playback circuits

🔌 Wiring with Arduino (Basic Example)

To use with a digital output:

• Connect one terminal to GND

• The other to a digital pin via a 100Ω resistor (to limit current)

• Use tone() function in Arduino to generate sound

cpp
CopyEdit
tone(8, 1000);  // Play 1kHz tone on pin 8
delay(500);
noTone(8);

📺 YouTube