A thermometer that measures indoor & outdoor temperatures, keeps track of min and max temperature with intersting display animationsDesigned by Cheerful Electronic in Netherlands
This is a thermometer kit that is fun to build, interesting to look at and above all very useful to keep track of indoor and outdoor temperatures.. The thermometer has 3 numeric displays that show th…Read More…
This is a thermometer kit that is fun to build, interesting to look at and above all very useful to keep track of indoor and outdoor temperatures..
The thermometer has 3 numeric displays that show the current temperature as well as minimum and maximum temperatures. Next to the numeric displays there is a 4-color bar graph display to simulate an old school mercury thermometer. You can choose to show the temperature in degrees Celsius or Fahrenheit. There is an external temperature probe included in the kit with a 1m cable that can be used to measure outside temperatures. The temperature range is from -50°C to 60℃ (-58℉ to 140℉) with a resolution of 0.1 degree.
You can set the thermometer to show the indoor or outdoor temperature only or both in and outdoor. When the thermometer is set to In-Out mode it will cycle between showing the indoor and outdoor temperature every 20 seconds. From time to time the displays will be updated using a random animation. This makes this kit an interesting gadget to put on your desk. There are 9 different animations in total.
What is special about the electrical design of this kit is that all displays are driven using four 7400-series logic chips. Instead of a dedicated led driver the kit uses shift registers, counters and decoders as an alternative to drive the displays.
The kit comes with the following:
A micro USB cable is needed to power the thermometer. This is not included in the kit.
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Jonathan | May 12, 2022
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