It is always handy to have few digital thermometers around the house. You may want continuously monitor indoor and outdoor temperatures, Use it for specific needs, for instance when preparing food or regulating boiler water temperature. If you would like to check digital thermometer value from a distance, then you should go with bright display. You can always use large bright LED seven segment displays, but if you have few spare nixie tubes around, why not use them instead.
Luca Dentella have build three digit Nixie tube digital thermometer based on Arduino. He has chosen 10K thermistor based temperature sensor which can be easily read through Arduino analog input. He wanted nixies to look even cooler, so he added RGB LEDs with WS2812 control chips underneath each tube. This way he could get cool effects by adjusting background color according to temperature values. Lately he completed his project by assembling thermometer on PCB he received. Only one thing that is still missing is enclosure.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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