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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 began by laying out a 10x ...

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Track Honeybees With Temperature

Data analysis coming soon! My school is kind of strange. We don't have a cafeteria, but we do have a four week course on "The Simpsons." We don't have a jungle-gym on the elementary playground, but we do have a half-buried firetruck. We don't have a football team, but we do have a bee-keeping club. It's pretty awesome. This year I decided to do some cool experiments with honey bees. This project uses 12 tem ...

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Arduino Esplora Temperature Sensor

This sketch shows you how to read the Esplora's temperature sensor. You can read the temperature sensor in Farhenheit or Celsius. Circuit Only your Arduino Esplora is needed for this example. Connect the Esplora to your computer with a USB cable and open the Arduino's Serial Monitor. Temperature to send data to your computer from the Esplora Code To send data to your computer, you need to open a serial conn ...

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Arduino Powered 3-zone thermostat

I was looking at all those swoopy-zoomy internet connected and controllable thermostats. "Self," I told myself, "we should make one of those." He didn't seem all that excited about that - I mean, what do we know about hardware, firmware, electronics or HVAC? Well, now's as good as any to figure it out. So without further ado, here's my Instructable on my endeavors building a functioning 3-zone thermostat. ( ...

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Arduino Digital 7-Segment Thermometer

This a guide for an Arduino version, but I am working on a mini ATtiny84 version. Once I get that working, I will post another Instructable on how to make it. I'm sure you could make this same thermometer with an LM35 also, if that's what you have, and you probably won't have to modify the code. This is an entry in both the LED contest with Elemental LED and the Hurricane Lasers contest, so if you like it, ...

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Multifunction Digital Thermometer using an Arduino

This instructable will show you how to create a multifunction platform with a thermometer, chronograph (count up timer), count down timer, and light display. It is also intended to be a platform for other analog sensors or any other functions you can think of. Multifunction_Digital_Thermometer.zip71 KB Step 1: Gather Materials To build the digital thermometer you will need: - Wire - Altoids tin - Breadboard ...

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Arduino Automatic Temperature& Humidity Controller for Pets

Jack and Jose, a pair of beautiful hamster, has accompanied me over 100 days and nights. Their soft white fur makes me quiet and warm, especially when I coding in the winner. But the very tragic things happened in the last week. As the cold air from Siberia, Shenzhen has suffered low temperature and humidity for than 10 days. The temperature is about 10 degree, makes me fell chilling every day. The very bad ...

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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 a melting rate below the melting rate of the DNA and to work around the thermal lag of the instrument ...

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Smart Thermal + Arduino

Many times we are  faced with a heat containing coffee and don't  know if the fluid is at  the proper temperature and it is impossible to know just by looking at  the bottle ended up losing time with a coffee that is cold and we get  upset about it. This however  indicates maker by a graph LEDs if the liquid is hot, warm or cold. The LEDs gradually  connect the blue (cold) to red (hot), when there is a heat ...

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Temperature Displayed on 4 Digit 7 segment using Arduino

In this project I’ll display the temperature in a 4 digit 7 segment display (common anode). The sensor is the cheapest you can find so actually the temperature changes pretty easily which makes the display to show always different temperatures. But the idea is to apply this code to other projects with 7 segment displays that I might do later. if you want to learn a bit more of 7 segment displays you can rea ...

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Temperature Sensor for Shower using Arduino

With this device you diminish the use of water in your house or work. Instead of waiting to see vapor in the shower to get in, this device help you to know when the water its at the temperature you want and you can instantly enter to the shower. In this way you don't waste the water by not knowing when its ready. This device shows the temperature of the water with a led bar (made from 10 leds). The leds get ...

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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 processes, the temperature program and exact temperature control is crucial and you probably do not want to stay in the ...

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