Moving-Coil Meters and DAC
Two 1960s-era moving-coil meters, with one of them rigged up to a DAC (digital-to-analog converter) on the Arduino. The meter movement was rated at 1.4mA, full-scale. I'm using a 2.2kΩ resistor to produce that current from the 4.096V output of the DAC.
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Uploaded on November 18, 2011
Taken on November 17, 2011
Moving-Coil Meters and DAC
Two 1960s-era moving-coil meters, with one of them rigged up to a DAC (digital-to-analog converter) on the Arduino. The meter movement was rated at 1.4mA, full-scale. I'm using a 2.2kΩ resistor to produce that current from the 4.096V output of the DAC.
2,572
views
0
faves
1
comment
Uploaded on November 18, 2011
Taken on November 17, 2011