Just how cold is it out there? This giant thermometer scarf is a fantastic entry-level wearables project. It’s sure to strike up conversations that move past the topic of weather.
The scarf is built around a FLORA, a Neopixel ring that represents the bulb, and a short length of Neopixels to show the temperature in Fahrenheit and Celsius. Temperature sensing is done with a poorly documented DHT11 that gave [caitlinsdad] the fits until he found Adafruit’s library for them.To make the scarf, [caitlinsdad] used a nice cozy micro-fleece. He built a pocket for the electronics and padded it with polyester fiber fill to diffuse the LEDs. This makes the lights blur and run together, resembling a mercury thermometer.
Once it was up and running, [caitlinsdad] figured out the temperature scale based on the DHT11 readings and marked it out on the scarf with a permanent marker. [caitlinsdad] has a few mods in mind for this project. For instance, it would be easy to add haptic feedback to keep you from being exposed for too long. Another wearable in the same spirit is this hat that has a sunblock reminder system.
Thanks for the tip, [PT].
Filed under: wearable hacks
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