The Arduino Due supports analogWrite() on pins 2 through 13, plus pins DAC0 and DAC1. Unlike the PWM pins, DAC0 and DAC1 are Digital to Analog converters, and act as true analog outputs.
i want to command a wheel chair. i need to give the main card 2 values, the max one is 3.9v , what can i do now!
Yes, but be very careful what you connect it to, a lot of us have accidentally burned ours.The opamp suggestion from tmd3 is a good suggestion, without this or a similar buffer between the DAC and your load, your DAC might not last very long - mine didn'tDuane Brcarduino.blogspot.com