mamífero
Published © GPL3+

Symmetric Power Supply Controlled by Arduino PWM

A symmetric power source for audio amplifiers controlled by the Arduino's PWM with max output +-30v 10A.

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Symmetric Power Supply Controlled by Arduino PWM

Things used in this project

Story

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Custom parts and enclosures

use this interface to control the pwm's from arduino ( pins 5 and 9 )

use this interface to control the pwm's from arduino ( pins 5 and 9 )

Schematics

Low pass filters

Low pass filters

schema

schema

Multisim file

Multisim file

Code

code to your arduino

Arduino
code to your arduino
int duty;
int signale;
void setup() {

  Serial.begin(9600);
  pinMode(5, OUTPUT);
  pinMode(9, OUTPUT);
  analogWrite(5, 0);
  analogWrite(9, 0);
}


void loop() {
 while (!Serial) {} 
    signale = Serial.parseInt();
    if (signale == 5){
      duty = Serial.parseInt();
      analogWrite(signale, duty);
    }
    if (signale == 9){
      duty = Serial.parseInt();
      analogWrite(signale, duty);
    }
}

Credits

mamífero

mamífero

6 projects • 12 followers

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