Wrist based activity trackers are just beginning to differentiate between the major types of sleep REM, Light and Deep. We used to have to wear EEGs on our heads or unusual monitoring devices strapped to the bed. Pillow (v3.1) is an app for iOS and presently relies on Apple Watch OS 3.0 for movement and heart rate data collection. Sleep start times need to be manually triggered and the app requires a one-time purchase to unlock all the premium features.
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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