Yup, a good way of getting analog sensor data around eg: http://www.analog.com/en/analog-to-digital-converters/voltage-to-frequency-converters/products/index.h

Yup, a good way of getting analog sensor data around eg: http://www.analog.com/en/analog-to-digital-converters/voltage-to-frequency-converters/products/index.html http://www.analog.com/en/analog-to-digital-converters/voltag... Also, sometimes all you care about is the value of a signal relative to a threshold, so you use a simple comparator to make a higher/lower signal.