The minuscule LED night marker presented here is an automatic light beacon that wakes up at night, or when there is not enough ambient light in its environment. Anyone active in the dark (walking, riding, swimming, etc) can utilise this portable marker as a safety device to put a clear and distinct mark in darkness. […]
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Credit- EFY. Published by Department of EEE, ADBU: tinyurl.com/eee-adbu
