Make: Online : LM555 Night light

LM555 Night light

Bed7
Bed6
Bed5
Brandon adds a LM555 and some LEDs to his toddler's glow-in-the-dark headboard. Now his son has a beautiful night light that is on when he needs it and automatically turns off when he sleeps... Link.

From the pages of MAKE:
Make 863
The Biggest Little Chip. MAKE 10 - page 62. An introduction to the versatile 555 timer. Subscribers--read this article now in your digital edition.

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