My high school had a weather station on the roof so earth-science students could make measurements each morning. We climbed up a ladder in the janitor's closet, went through a hatch and out onto the ...

An AC bridge circuit can be used to measure the unknown capacitance of a sensor, such as a relative humidity (RH) sensor. Some RH sensors have a transfer function of capacitance vs %RH. Usually the ...

I've finished part of my basement into a home theater but it feels quite humid down there so I bought a dehumidifier but it's extremely loud and throws off too much heat. So, I'm hoping I don't need ...