This project uses an ultrasonic distance sensor to create a pocket of wave interference where a small object can be levitated.
Project tutorial by millerman4487
Give this the parameters you want and the LEDs will light up according to the temperature cold blue, green fine, red hot
by Luca McLoughlin
Platform for processing of streaming temperature data using Arduino, DHT sensor, ESP8266 module and Big Data / Hadoop ecosystem tools.
Project showcase by Gabriel Rodriguez
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