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1 x PIR Module
They work great with mechanical key sockets if you want to avoid soldering
Light sleep at 4mA
A speaker that can play tones and deliver auditory feedback
Dual Arm Cortex – M0
NeoPixel Ring - 12 x 5050 RGB LED with Integrated Drivers stem cell 1 x PIR ModuleRound and round and round they go! 12 ultra bright smart LED NeoPixels are arranged in a circle with 1. 5" (37mm) outer diameter. The rings are 'chainable' connect the output pin of one to the input pin of another. Use only one microcontroller pin to control as many as you can chain together! Each LED is addressable as the driver chip is inside the LED. Each one has ~18mA constant current drive so the color will be very consistent even if the voltage
