Yet another simple amplifier for your Arduino and music projects

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BuildCircuit has written few articles about audio amplifier and music modules. One of the most popular examples is “Audio amplifier using LM386“. This article is about a bit advanced audio amplifier made using TDA7052A.

Download datasheet of TDA7052A

It is not wise to connect an 8 Ohm loudspeaker directly to Arduino microcontroller pins. When we calculate the current through the speaker we get : I=V/R= 5V/8 ohm=0.625A=625 mA. But microcontroller pin can only drive 20 mA to 40 mA. So, this project can solve this problem. This amplifier can be used with music modules like WTV020SD.

schematic

FritzingAmplifier_Bb

The PCB Layout is given below:

FritzingAmplifier_PCB

Download all the fritzing files.

Other similar projects:

1. Audio amplifier using LM386

2. Music module using WTV020SD

This project has been taken from fritzing.org. It has been made by Michael Johannes Franz.

Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.

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