The Weather Wand!
A small wand that lights a LED (or set of LEDs) in response to temperature .
Hot and cold are determined by the standard deviation from the average of the 50 most recent temperature samples.
Hardware: An Arduino pro mini with a TMP36 temp sensor and RGB LED(s).
wx_wand_1 is setup to control a single RGB led
wx_wand_neopixel is setup to control a number of addressable RGB LEDs using the adafruit library
Details at: https://www.hackster.io/Dan/weather-wand