Description
What it is
The LM386 audio amplifier module is an electronic component designed to amplify audio signals generated by devices such as Arduino. This module uses the LM386 chip, known for its ease of use and low thermal dissipation.
Features
- Gain x200
- Variable from 5V to 12V
What it is for
Ideal for beginners, this module allows you to create simple speakers with Arduino in just a few minutes. It is compatible with various prototypes and projects that require an integrated audio amplifier.
Tutorial: How to use the LM386 audio amplifier module
This module is used to amplify audio signals from Arduino. Ideal for beginners.
What you need
- Arduino
- power supply (5V-12V)
- speakers or headphones
Steps
- Connect power to the module.
- Connect Arduino audio pins to INPUT of the module.
- Connect OUTPUT to the acoustic device.
- Check the datasheet for the desired gain and connect additional resistors if necessary.
- Download a simple sketch to test amplification.
Example code
void setup() {
Serial.begin(9600);
}
void loop() {
// Inserire qui il codice audio da amplificare
}
Mini project
Create a simple speaker with Arduino and LM386 in 30 minutes.
Common mistakes
- Incorrect power supply
- Incorrect gain
- Insufficient audio signal
Recommended accessories
- Condenser microphone module ARD01234
- USB battery for Arduino ARD56789
- Mini portable speakers ARD12345
- Variable resistor ARD67890
Frequently asked questions
How to adjust the gain?
Check the datasheet and connect additional resistors.
Can it amplify any type of audio?
Yes, but make sure the audio is suitable for amplification.











Reviews
There are no reviews yet.