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I'm new at using NI harware so I hope my ignorance will be forgiven. I've just been given a task to measure humidity, %RH, using NI cDAQ-9184. I've been given NI 9205, NI 9211 and NI 9203 I/O modules. The sensor that I have to use is the HIH 6130 sensor. I've bought the a breakout sensor similar that of Sparkfun. My question are: 1. Do I need another external circuit? 2. Can any of my module be of use?