Create a simple DAC for your Arduino

Unfortunately the Arduino specification doesn’t include a true digital-to-analogue converter, however we do have the pulse-width modulation with analogWrite(). You can, however, create a more accurate rendition of a DAC using external discrete components. The people at ‘provideyourown’ have demonstrated how to do this quite easily. Using a simple resistor-capacitor circuit a reasonable result can be generated.

For more information about this handy tip, visit the project page here. And we’re on twitter and Google+, so follow us for news and product updates as well.

When creating more complex circuitry such as a digital-to-analogue converter for your Arduino – consider our range of ProtoShields. From the tiny LeoStick to the Mega range, we offer a complete range for you to work with.


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