User Manual

Table Of Contents

VMA344

V. 01 – 10/04/2019 6 ©Velleman nv

Serial.begin(9600);

}

void loop()

{

for (int i = 0; i < 256; i++)

{

Wire.beginTransmission(PCF8591);

Wire.write(0x40); // sets the PCF8591 into a DA mode

Wire.write(i); // sets the outputn

Wire.endTransmission();

delay(500);

DACout = i;

RawValue0 = analogRead(Ain);

Voltage = (RawValue0 * 5.0 ) / 1024.0;

DACoutVolt = (DACout * 5.0)/256.0;

Serial.print("DAC Out = ");

Serial.print(DACout);

Serial.print("\tDAC Target Voltage = ");

Serial.print(DACoutVolt, 3);

Serial.print("\tRaw ADC Value = ");

Serial.print(RawValue0);

Serial.print("\tVoltage = ");

Serial.println(Voltage, 3);

}

10. More Information

Please refer to the VMA344 product page on

www.velleman.eu for more information.

Use this device with original accessories only. Velleman nv cannot be held responsible in the event

of damage or injury resulting from (incorrect) use of this device. For more info concerning this

product and the latest version of this manual, please visit our website www.velleman.eu. The

information in this manual is subject to change without prior notice.

The copyright to this manual is owned by Velleman nv. All worldwide rights reserved. No part of this

manual may be copied, reproduced, translated or reduced to any electronic medium or otherwise without the