Temperature Measurement Projects

Quantitative Two Dimensional Temperature Measurements

Quantitative Two-Dimensional Temperature Measurements

Lab Experiments involving the Heat Equation are usually one-dimensional exercises involving a copper pipe and a half-dozen thermocouples. But with DS18B20 “One-Wire” thermometer chips and an Arduino, it’s possible to measure hundreds of temperature values simultaneously. Here’s what my students Daniel Lund and Lawrence Lechuga and I came up with for 2-D temperature measurements. We

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Lock in Amplifier and Temperature Control

DNA Melting Part 2: Lock-in Amplifier and Temperature Control

In Part 2 of the DNA Melting Lab you will make revisions to allow greater control of your instrument and to reduce the effects of noise. You will add a pulse-width modulation (PWM) heater controller to enable careful control of the heating and cooling rates of the DNA sample. This will allow you to maintain

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Programmable Temperature Controller + Hot Plate

Programmable Temperature Controller + Hot Plate

Heating things up is one of the most performed tasks in a lab. Quite a lot of times it is not enough to simply hold something at a certain temperature, but the rate at which something is heated and for how long is just as important. Especially when you try to develop catalysts for chemical

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Temp Monitor

*duino Keg Temp Monitor, or the Quest for the Perfect Pint

I was looking for a project that combined my three favorite things – working in my shop, building cool stuff for my bar and of course, drinking beer. After a couple of weeks in the old country drinking “the Guinness”, I decided my I’d put a keg of “Moothers’ milk” in my kegerator and prolong my vacation

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