ROBOTMAK3RS Blog

I realized I have a lot of sensors. I should really review them :). I've been using the new NXT temperature sensor (mentioned here in the blog a while back) for a couple of projects, and decided to blog my opinion of it. Note this isn't even remotely authorized, approved, or perhaps even noticed by LEGO et. al... these are just my experience and opinions, your mileage may vary. Both the old analog temperature sensor ( product ID W979889 , $38.95, although you need a conversion cable to use it with the NXT) and the newer digital temperature sensor ( product ID W979749 , $39.95) are available from LEGO Education (they're not normally distributed through the retail arm of LEGO). I've been using these for a number of projects, including monitoring the temperature in my house and freezer, and recently for instrumenting a model geyser (in my kitchen... yeah, it's messy around here). The old sensor is analog - it actually put out a voltage that changed with the temperatur...