8ohm 0.5 W 36 mm Speaker

Description

What it is

The 36 mm magnetic speaker is an ideal audio component for DIY projects and small applications that require simple sound functionality. With a power of 0.5 W and a resistance of 8 Ohm, this speaker offers a good balance between compact size and audio performance.

Features

• Power: 0.5 W
• Impedance: 8 Ohm
• Cone diameter: 36 mm

What it is for

The speaker is suitable for Arduino and ESP projects that require a simple audio signal. It can be used in applications such as sound alarms, acoustic notifications, or any other situation where sound production is needed with a small setup.

Tutorial: How to use 8ohm 0.5 W Speaker

This small and powerful speaker is ideal for Arduino projects that require simple audio functionality. It is suitable for beginners and intermediate users.

What you need

• Arduino Uno
• USB Cable
• Prototype Solderless Breadboard

Steps

1. Connect the cable connector to the center of the speaker (check the datasheet for exact positions).
2. Use a piece of prototyping board to connect the speaker to the Arduino.
3. Connect the positive power (+5V) of the microcontroller to the positive pole of the speaker.
4. Connect the negative pole of the speaker to the ground (GND) of the microcontroller.
5. Check that the connections are correct and secure.
6. Load the Arduino sketch to test the audio.
7. Increase or decrease the audio power based on the project requirements.

Example code

void setup() {
  pinMode(9, OUTPUT);
}

void loop() {
  tone(9, 440); // suona una nota di 440 Hz per 1 secondo
  delay(1000);
}

Mini project

Create a sound alarm with Arduino that sounds when a motion detector sensor is activated.

Common mistakes

• Connect the speaker to the wrong pole.
• Use a voltage higher than the speaker’s tolerance.
• Do not check the connections before testing the project.

Recommended accessories

• Arduino Uno
• PIR motion sensor
• Prototyping board

Frequently asked questions

My speaker is not emitting sound.
Check all connections and the supplied voltage. Ensure that the selected pin is configured as an output.

How much noise does the speaker produce?
The volume depends on the applied voltage, check the datasheet for exact specifications.