This might just be the most novel way to take some LED’s and a lithium battery and put a impressive mark up on them. The HumanCharger looks like a set of earbuds, but it instead of audio it outputs light. Specifically UV-free white light with a 448 nm peak in the blue region. This is known as TBL (Transcranial Bright Light). The claim includes a study that shows using these light buds for 12 minute intervals 4x a day helped people recover more quickly from jet lag symptoms. There is a free Humancharger app that can will link up with TripIt and remind you when to use the headset for optimal flight recovery.
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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