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Author SHA1 Message Date
robert-hh
f5da77b5ce samd/machine_dac: Add the machine.DAC class. 
It suuports 1 channel @ 10 bit for SAMD21, 2 channels @ 12 bit for SAMD51.

Instantiation by:

    dac = machine.DAC(ch) # 0 or 1

Method write:

    dac.write(value)

The output voltage range is 0..Vdd.
 2022-10-06 22:55:10 +11:00